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PRELIMINARY
ISD1600B Series
Single-Message Single-Chip 6.6- to 40-Second Voice Record & Playback Devices with vAlert Option
Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
TABLE OF CONTENTS
1. GENERAL DESCRIPTION.................................................................................................................. 3 2. FEATURES ......................................................................................................................................... 4 3. BLOCK DIAGRAM .............................................................................................................................. 5 4. PIN CONFIGURATION ....................................................................................................................... 6 5. PIN DESCRIPTION ............................................................................................................................. 7 6. FUNCTIONAL DESCRIPTION............................................................................................................ 9 6.1. Detailed Description .................................................................................................................... 9 6.1.1 Audio Quality....................................................................................................................... 9 6.1.2 Duration............................................................................................................................... 9 6.1.3 Flash Storage...................................................................................................................... 9 6.1.4 Basic Operation .................................................................................................................. 9 6.1.5 vAlert ................................................................................................................................... 9 6.1.6 Automatic Power-Down Mode ............................................................................................ 9 6.2. Functional Description Example................................................................................................ 10 6.2.1. Record a Message........................................................................................................... 10 6.2.2. Edge-trigger Playback...................................................................................................... 10 6.2.3. Level- trigger Playback .................................................................................................... 10 6.2.4. LED Operation ................................................................................................................. 10 6.2.5. ROSC Operation................................................................................................................. 10 7. TIMING DIAGRAMS.......................................................................................................................... 11 8. ABSOLUTE MAXIMUM RATINGS.................................................................................................... 13 8.1 Operating Conditions.................................................................................................................. 14 9. ELECTRICAL CHARACTERISTICS ................................................................................................. 15 9.1. DC Parameters.......................................................................................................................... 15 9.2. AC Parameters .......................................................................................................................... 16 10. TYPICAL APPLICATION CIRCUIT ................................................................................................. 17 11. PACKAGE DRAWING AND DIMENSIONS .................................................................................... 18 11.1. 16-Lead 150mil Small Outline Integrated Circuit (SOIC) Package ......................................... 18 11.2. 16-Lead 300mil Plastic Dual Inline Package (PDIP)............................................................... 19 11.3. Die Physical Layout ................................................................................................................. 20 12. ORDERING INFORMATION........................................................................................................... 21 13. VERSION HISTORY ....................................................................................................................... 22
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ISD1600B SERIES
1. GENERAL DESCRIPTION
The Winbond(R) ISD1600B ChipCorder(R) Series is a high quality, fully integrated, single-chip singlemessage voice record and playback device ideally suited to a variety of electronic systems. The message duration is user selectable in ranges from 6.6 seconds to 40 seconds, depending on the specific device. The sampling frequency of each device can also be adjusted from 4 kHz to 12 kHz with an external resistor, giving the user greater flexibility in duration versus recording quality for each application. Operating voltage spans a range from 2.4 V to 5.5 V to ensure that the ISD1600B devices are optimized for a wide range of battery or line-powered applications. The devices include an on-chip oscillator (with external resistor control), microphone preamplifier with Automatic Gain Control (AGC), anti-aliasing filter, Multi-Level Storage (MLS) array, smoothing filter, Pulse Width Modulation (PWM) Class D speaker driver, and current output. Voice signals can be fed into the chip through a differential microphone input for recording. The PWM output can directly drive a standard 8 speaker or a typical buzzer, while the separate single-ended current output can drive an external amplifier. Recordings are stored into the on-chip Flash memory cells, providing zero-power message storage. This unique single-chip solution is made possible through Winbond's patented Multi-Level Storage (MLS) technology. Audio data are stored directly in solid-state memory without digital compression, providing superior quality voice and music reproduction. The ISD1600B Series also supports an optional "vAlert" (voiceAlert) feature that can be used as a new message indicator. With vAlert, the IC strobes an external LED to indicate that a new message is present.
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
2. FEATURES
* User-friendly single-chip, single-message voice record & playback devices * Wide operating voltage: 2.4V to 5.5V * Push-button interface o Record is level-triggered o Playback is either edge- or level-triggered * Selectable sampling frequency controlled by an external oscillator resistor
Sampling Frequency Rosc Sample Frequency ISD1610B ISD1612B ISD1616B ISD1620B 12 kHz 53 k 12 KHz 6.6 secs 8 secs 10.6 secs 13.3 secs 8 kHz 80 k 8 KHz 10 secs 12 secs 16 secs 20 secs 6.4 kHz 100 k 6.4 KHz 12.5 secs 15 secs 20 secs 25 secs 5.3 kHz 120 k 5.3 KHz 15 secs 18 secs 24 secs 30 secs 4 kHz 160 k 4 HKz 20 secs 24 secs 32 secs 40 secs
* Variable duration selected by external oscillator resistor
* Message and operation indicators o o Optional vAlert (voiceAlert) to indicate the presence of new messages LED: stay on during recording, blink during playback operation
* Automatic power-down mode o Enters standby mode immediately after a record or playback cycle o Standby current: 1A typical and 10A maximum * Dual output channels o PWM Class D speaker amplifier to directly drive an 8 speaker or a typical buzzer o AUD single-ended current output to drive external power amplifier * ChipCorder standard features o o o o High-quality, natural voice and audio reproduction Zero-power message storage: Eliminates battery backup circuits 100-year message retention (typical) 100,000 record cycles (typical)
* Package options: Leaded and Lead-free packaged units * Available in die, 16L 150mil SOIC and 16L 300mil PDIP * Temperature options: o o Commercial: 0C to +50C (Die); 0C to +70C (Packaged) Industrial: -40C to +85C (Packaged)
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ISD1600B SERIES
3. BLOCK DIAGRAM
ROSC
Internal Clock
Timing
Sampling Clock Amp Active Antialiasing Filter Decoders Analog Transceivers AUD
MIC+ MICAGC
AGC Amp Automatic Gain Control (AGC) Power Conditioning
Nonvolatile Multilevel Storage Array
Active Smoothing Filter
SP+ Amp SP-
Device Control
VCCA
VSSA
VSSP
VCCP
VSSD
VCCD
REC
PLAYE
PLAYL
LED
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
4. PIN CONFIGURATION
VSSD REC PLAYE PLAYL VSSA MIC+ MICSP-
1 2 3 4 5 6 7 8
16 15 14 13
LED VCCD ROSC AUD AGC Sp+ VCCA /VCCP VSSP
ISD1600B
12 11 10 9
SOIC / PDIP
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ISD1600B SERIES
5. PIN DESCRIPTION
PIN NAME VSSD SOIC / PDIP PIN NO. 1 Digital Ground: VSSD is the ground for digital circuits. It is important to have a separate path for each ground back to the system ground terminal to minimize noise. Record: The device starts recording whenever REC transits from High to Low and stays at Low. Recording stops when the signal returns to High. This pin has an internal pull-up resistor [1] and an internal debounce on falling edge. Edge-trigger Playback: A playback operation starts when this input detects a low going signal exceeding the specified debounced time. This pin has an internal pull-up resistor [1] and an internal debounce on both falling & rising edge. Level-trigger Playback: A playback operation begins when this input detects a low going signal and remains at Low. Playback stops when the signal returns to High. This pin has an internal pull-up resistor [1] and an internal debounce on falling edge. Analog Ground: VSSA is the ground for analog circuits. It is important to have a separate path for each ground back to the system ground terminal to minimize noise. Microphone Positive Input: The input transfers the signal to the preamplifier. The internal Automatic Gain Control (AGC) circuit controls the gain of the preamplifier. An external microphone should be AC coupled to this pin via a series capacitor. The capacitor value, together with an internal 10 K resistance on this pin, determines the lowfrequency cutoff for the ISD1600B passband. Microphone Negative Input: This is the inverting input to the microphone preamplifier. It provides input noisecancellation, or common-mode rejection, when the microphone is connected differentially to the device. Speaker Negative : The SP-, Class D PWM output, provides a differential output with SP+ pin to drive 8 speaker or buzzer. During power down or recording, this pin is tri-stated. PWM Ground: VSSP is the ground for PWM speaker driver. It is important to have a separate path for each ground back to the system ground terminal to minimize noise. FUNCTIONS
REC
2
PLAYE
3
PLAYL
4
VSSA
5
MIC+
6
MIC-
7
SP-
8
VSSP
9
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
PIN NAME VCCA SOIC / PDIP PIN NO. 10 Analog power supply: It is important to have a separate path for each power back to the power terminal to minimize the noises. Decoupling capacitors to VSSA should be as close to the device as possible. VCCP: Power supply for PWM speaker drivers. It is important to have a separate path for each power back to the power terminal to minimize noise. Decoupling capacitors to VSSP should be as close to the device as possible. Speaker Positive : The SP+, Class D PWM output, provide a differential output with SP- pin to drive an 8 speaker or buzzer directly. During power down or recording, this pin is tri-stated. Automatic Gain Control: The AGC dynamically adjusts the gain of the preamplifier to compensate the wide range of microphone input levels. The AGC allows the full range of signal to be recorded with minimal distortion. Nominal values of 4.7 F give satisfactory results in most cases. Connecting this pin to ground provides maximum gain to the preamplifier circuitry. Conversely, connecting this pin to power supply provides minimum gain to the preamplifier circuitry. AUD 13 AUD: The AUD provides a single-ended current output to drive an external amplifier. During standby or recording, this pin is tri-stated. Oscillator Resistor: This enables the user to vary the record and/or playback duration of the device. A resistor connected between the ROSC pin and VSSA determines the sample frequency for the ISD1600B device. Please refer to the Duration Section in Section 6.1. Digital power supply: It is important to have a separate path for each power back to the power terminal to minimize noise. Decoupling capacitors should be as close to the device as possible. LED output: This pin is Low during a record cycle and blinks during playback cycle. It can be used to drive an LED to indicate either a record or playback cycle is in progress. FUNCTIONS
VCCP
10
SP+
11
AGC
12
ROSC
14
VCCD
15
LED
16
Note:
[1]
600k (typical).
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ISD1600B SERIES
6. FUNCTIONAL DESCRIPTION
6.1. DETAILED DESCRIPTION
6.1.1 Audio Quality Winbond's patented ChipCorder(R) MLS technology provides natural high quality record and playback solution on a single chip. The input audio signals are stored directly into the nonvolatile memory and are reproduced in its natural form without any compression artifacts caused by the digital speech solutions. A complete sample is stored in a single cell, minimizing the memory needed to store a single message. 6.1.2 Duration The ISD1600B series offer single-chip solution with record & playback duration from 6.6 seconds to 40 seconds. Sampling frequency and duration are determined by an external resistor connected to the Rosc pin.
Sampling Frequency 12 KHz 8 KHz 6.4 KHz 5.3 KHz 4 KHz Rosc
53 k 80 k 100 k 120 k 160 k
ISD1610B 6.6 secs
ISD1612B 8 secs
ISD1616B 10.6 secs
ISD1620B 13.3 secs
10 secs 12.5 secs 15 secs 20 secs
12 secs 15 secs 18 secs 24 secs
16 secs 20 secs 24 secs 32 secs
20 secs 25 secs 30 secs 40 secs
6.1.3 Flash Storage The ISD1600B product utilizes the on-chip Flash memory providing zero-power message storage. The message is retained for up to 100 years without power. In addition, the device can be re-recorded typically over 100,000 times. 6.1.4 Basic Operation The ISD1600B ChipCorder(R) device is controlled by either the REC , or one of the two playback modes, PLAYE and PLAYL . The ISD1600B parts are configured for simple design in single-message application. Detailed operations are explained in Section 6.2. 6.1.5 vAlert With vAlert option, after Record, the LED blinks slowly to indicate a new message exists. Once playback is performed, the LED will not blink again and resume to normal operating conditions. 6.1.6 Automatic Power-Down Mode At the end of a playback or record cycle, the ISD1600B device automatically enters into a lowpower mode, consuming typically 1A, provided that PLAYE , PLAYL and REC are High (see DC parameters Section). During a playback cycle, the device powers down automatically
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
at the end of the message. During a record cycle, the device powers down immediately after REC is released to High.
6.2. FUNCTIONAL DESCRIPTION EXAMPLE
The following example operating sequences demonstrate the functionality of the ISD1600B series. 6.2.1. Record a Message The device starts recording from the beginning of the memory when REC transits from High to Low and stays at Low. A record cycle is completed when REC is pulled to High or entire memory is filled up. Then an End-of-Message (EOM) marker is written at the end of message, enabling a subsequent playback cycle to terminate appropriately. Hence, the device automatically enters into standby mode. Record takes precedence over playback operation. If REC is pulled Low during a playback cycle, the playback immediately halts and recording starts from the beginning of the memory. Holding REC Low after recording will increase standby current consumption. 6.2.2. Edge-trigger Playback A playback operation starts from the beginning of the memory when PLAYE detects a low going signal exceeding the specified debounced time. Playback continues until an EOM marker is encountered. Upon completion of a playback cycle, the device automatically enters into standby mode. During playback, a subsequent low going signal will terminate the current playback operation. Holding this pin Low after playback operation will increase standby current consumption. 6.2.3. Level- trigger Playback When PLAYL switches from High to Low and stays at Low, a playback starts from the beginning of the memory until either an EOM marker is reached, then it automatically powers down. If PLAYL is pulled High at any time during playback, the playback operation stops immediately and the device enters into the power-down mode. 6.2.4. LED Operation The LED is Low during recording, which turns on an LED as a recording indicator. However, during playback, the LED blinks a few times per second to indicate a playback operation. It returns to a High when operation stops. 6.2.5. ROSC Operation The duration can be varied by changing the value of ROSC. This means the designer has the flexibility to choose different sampling frequency, up to 12 KHz, depending upon the needs. This feature allows frequency shifting where a recorded audio can be played back faster or slower than normal for special sound effects. Another feature is a "Pause" function that can be activated by taking the ROSC resistor to VCC to stop playback momentarily, and to resume when the resistor is switched back to ground.
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ISD1600B SERIES
7. TIMING DIAGRAMS
Tf Rec
Tr TRS TDb1
LED
Mic+
Mic-
FIGURE 1: RECORD OPERATION
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
Odd # pulses starts playback
Even # pulses stops playback
Tf PlayE TDb2 PlayL TDb1 Tcyc LED TPS1 or TPS2 TRU Tr TDb1
Sp+
Sp-
TRU
TPS1 or TPS2
Aud
Ramps up gradually to analog ground to eliminate the "pop" at the beginning
Slowly returns to analog ground to eliminate the "pop" at the end
FIGURE 2: PLAYBACK OPERATION
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ISD1600B SERIES
8. ABSOLUTE MAXIMUM RATINGS
ABSOLUTE MAXIMUM RATINGS (DIE) CONDITIONS [1] Junction temperature Storage temperature range Voltage applied to all pins Power supply voltage to ground potential 150C -65C to +150C (VSS -0.3V) to (VDD +0.3V) -0.3V to +7.0V VALUES
ABSOLUTE MAXIMUM RATINGS (PACKAGED PARTS) CONDITIONS [1] Junction temperature Storage temperature range Voltage applied to all pins Lead temperature (Soldering - 10 sec) Power supply voltage to ground potential
[1]
VALUES 150C -65C to +150C (VSS -0.3V) to (VDD +0.3V) 300C -0.3V to +7.0V
Stresses above those listed may cause permanent damage to the device. Exposure to the absolute maximum ratings may affect device reliability and performance. Functional operation is not implied at these conditions.
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
8.1 OPERATING CONDITIONS
OPERATING CONDITIONS (DIE) CONDITIONS Operating temperature range Supply voltage (VDD) Ground voltage (VSS) Input voltage (VDD)
[1] [1] [2]
VALUES 0C to +50C +2.4V to +5.5V 0V 0V to 5.5V (VSS -0.3V) to (VDD +0.3V)
Voltage applied to any pins
OPERATING CONDITIONS (PACKAGED PARTS) CONDITIONS Operating temperature range (Case temperature) Supply voltage (VDD) Ground voltage (VSS) Input voltage (VDD)
[1] [1] [2]
VALUES -40C to +85C +2.4V to +5.5V 0V 0V to 5.5V (VSS -0.3V) to (VDD +0.3V)
Voltage applied to any pins
[1] [2]
VDD = VCCA = VCCD = VCCP VSS = VSSA = VSSD = VSSP
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ISD1600B SERIES
9. ELECTRICAL CHARACTERISTICS
9.1. DC PARAMETERS
PARAMETER Supply Voltage Input Low Voltage Input High Voltage Output Low Voltage Output High Voltage Record Current Playback Current Standby Current Input Leakage Current Input Current HIGH Preamp Input Resistance MIC Input Voltage Gain from MIC to SP+/SYMBOL VDD VIL VIH VOL VOH IDD_Record IDD_Playback ISB IILPD1 IILPD2 RMIC+,RMICVIN AMSP 6 -3 20 15 300 40 1 MIN 2.4 VSS-0.3 0.7xVDD VSS-0.3 0.7xVDD TYP [1] MAX 5.5 0.3xVDD VDD 0.3xVDD VDD 20 20 10 1 -10 UNITS V V V V V mA mA A A A K mV dB IOL = 4.0 mA[2] IOH = -1.6 mA[2]
VDD = 5.5V, No load, Sampling freq = 12 kHz
[3] [4]
CONDITIONS
Force VDD [5] Force VSS [5] Across both pins Peak-to-Peak[6] VIN = 15 to 300mV, AGC = 4.7F, VDD = 2.4V to 5.5V Speaker Load VDD = 5.5V 15mVp-p VDD = 4.4V 1kHz freq sinewave, VDD= 3V REXT = 8; VDD= 2.4V REXT = 8 (Speaker), typical buzzer VDD =4.5V, REXT= 390
15mV p-p 1KHz sinewave, Cmessage weighted
Output Load Impedance Speaker Output Power
REXT Pout
8 670 313 117 49
mW mW mW mW V mA %
Speaker Output Voltage AUD Total Harmonic Distortion
Notes:
[1] [2] [3] [4] [5] [6]
Vout IAUD THD
VDD -3.0 1
Conditions: VCC = 4.5V, 8kHz sampling frequency and TA = 25C, unless otherwise stated. LED output during Record operation. VCCA, VCCD and VCCP are connected together. VSSA, VSSP and VSSD are connected together.
REC , PLAYE and PLAYL must be at VCCD. REC , PLAYE and PLAYL are forced to specified condition.
Balanced input signal applied between MIC and MIC REF as shown in the applications example. Singleended MIC or MIC REF recommended to be less than 100 mV peak to peak.
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
9.2. AC PARAMETERS
CHARACTERISTIC
Sampling Frequency Duration
[3] [2]
SYMBOL
FS Dur
MIN
4
TYP [1]
MAX
12
UNITS
KHz
CONDITIONS
Vcc=2.4V~5.5V
I1610B
6.6 10 12.5 15 20
I1612B I1616B I1620B
8 12 15 18 24 10.6 16 20 24 32 13.3 20 25 30 40 100 100 Sec Sec Sec Sec Sec nsec nsec msec msec msec msec msec msec msec msec msec msec msec 2 Sample Clock TDb1 2 X TDb1 msec msec 6 Hz SF=12kHz SF=8kHz SF=6.4kHz SF=5.3kHz SF=4kHz SF=12kHz SF=8kHz SF=6.4kHz SF=5.3kHz SF=4kHz Vcc=2.4V~5.5V Vcc=2.4V~5.5V Vcc=2.4V~5.5V Vcc=2.4V~5.5V Playback at any SF Vcc=2.4 V~5.5V Vcc=2.4 V~5.5V SF=12kHz SF=8kHz SF=6.4kHz SF=5.3kHz SF=4kHz Vcc=2.4 V~5.5V
Rising time Falling Time Debounce Time (Record & PlayL)
Tr Tf TDb1
0 0 26.6 40 50 60.4 80 26.6 40 50 60.4 80 13.3 20 25 30.2 40 26.6 40 50 60.4 80 13.3 20 25 30.2 40 26.6 40 50 60.4 80 13.3 20 25 30.2 40
Debounce Time (PlayE) TDb2
13.3 20 25 30.2 40
Signal Ramp Up Time Record Stop Time PlayL Stop Time PlayE Stop Time LED Cycle frequency Notes:
[1] [2]
TRU TRS TPS1 TPS2 TCyc
100
1
Typical values : VCC = 4.5V, sampling frequency (SF) = 8 kHz and @ TA = 25C, unless otherwise stated. Sampling Frequency can vary as much as 2.25 percent over the commercial temperature and voltage ranges, and -6/+4 percent over the industrial temperature and voltage ranges. Duration can vary as much as 2.25 percent over the commercial temperature and voltage ranges, and - 6/+4 percent over the industrial temperature and voltage ranges.
[6]
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ISD1600B SERIES
10. TYPICAL APPLICATION CIRCUIT
The below example illustrates a typical applications of ISD1600B device.
VCCD R7* VCCA R1 4.7 K 2 3 4 R2 4.7 K Electret Microphone C1 4.7 F 6 C2 0.1 F R4** 14 12 C4 4.7 F 7 MIC+ MIC ROSC AGC LED REC PLAYE PLAYL 16
R6 1 K
DI LED
VCCD 15 VSSD
Vcc
C9* *** VCCA VCCD VCCP ***
Gnd
C6 1 0.1 F
VCCA 10
C7 VSSA 5 0.1 F 10 C8 9 0.1F 13
C10*
ISD1600B
VCCP VSSP AUD
Optional: based upon the applications Speaker V
CC
C11* Q1 8050 R5 390
C3 0.1 F R3 4.7 K
SP-
SP+ 11 8
Speaker or Buzzer
C5 0.1
F
Schematic shows both speaker and AUD outputs
Notes:
*
These components may be needed in order to optimize for the best voice quality and system performance, which is also dependent upon the layout of the PCB. Pending upon system requirement, Cx can be 10 F, 4.7 F or other values. For R7, 1k gives satisfactory result fro most cases. ** For Sampling Freq at 8 kHz, R4 = 80 K *** It is important to have a separate path for each ground and power back to related terminal to minimize the noise. Also, the power supplies should be decoupled as close to the device as possible.
Good Audio Design Practices Winbond's ChipCorder are very high-quality single-chip voice recording and playback devices. To ensure the highest quality voice reproduction, it is important that good audio design practices on layout and power supply decoupling are followed. See Application Information links below for details.
Design considerations for ISD1600B Series http://www.winbond-usa.com/products/isd_products/chipcorder/applicationbriefs/AN-CC1001.pdf Good Audio Design Practices http://www.winbond-usa.com/products/isd_products/chipcorder/applicationinfo/apin11.pdf Single-Chip Board Layout Diagrams http://www.winbond-usa.com/products/isd_products/chipcorder/applicationinfo/apin12.pdf
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
11. PACKAGE DRAWING AND DIMENSIONS
11.1. 16-Lead 150mil Small Outline Integrated Circuit (SOIC) Package
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ISD1600B SERIES
11.2. 16-Lead 300mil Plastic Dual Inline Package (PDIP)
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
11.3. Die Physical Layout
ISD1610B / 1612B / 1616B / 1620B
PLAYE
REC
VSSD
LED
PLAYL
VCCD ROSC
VSSA
MIC+ MICAUD AGC
VSSP VCCP VCCA VCCP
Notes: 1. 2. The backside of die is internally connected to VSSA. It MUST NOT be connected to any other potential or damage may occur. For package, VCCA and VCCP pads are bonded together to one pin.
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SP+
SP-
ISD1600B SERIES
12. ORDERING INFORMATION
Product Number Descriptor Key
ISD16xxxxxxxx
Product Series:
ISD1600 Series
Special Features Field:
Blank 01 = vAlert disabled = vAlert enabled
Duration: 10B : 6.6 - 20 secs 12B : 8 - 24 secs 16B : 10.6 - 30 secs 20B : 13.3 - 40 secs
Temperature:
I = Industrial (-40C to +85C) Blank = Commerical * Die (0C to +50C) * Package (0C to +70C)
Package Option: Package Type:
X= P S = = Die Plastic Dual Inline Package (PDIP) Small Outline Integrated Circuit (SOIC) Package Y = Lead-free Blank = Leaded
When ordering, please refer to the following valid part numbers that are supported in volume for this product series. Contact the local Winbond Sales Representative or Distributor for availability information.
For the latest product information, access Winbond's worldwide website at http://www.winbond-usa.com
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Publication Release Date: Jan. 23, 2007 Revision 1.2
ISD1600B SERIES
13. VERSION HISTORY
VERSION A1 1 1.1 1.2 DATE Apr 2005 Jan 2006 Apr 2006 Jan 2007 Initial version Change to Preliminary Update Ordering info with Pb-free option Update application diagram Update Rosc resistor value Revise automatic power down mode Update standby current parameter Revise die physical layout section DESCRIPTION
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ISD1600B SERIES
Winbond products are not designed, intended, authorized or warranted for use as components in systems or equipment intended for surgical implantation, atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, or for other applications intended to support or sustain life. Furthermore, Winbond products are not intended for applications wherein failure of Winbond products could result or lead to a situation wherein personal injury, death or severe property or environmental damage could occur. Winbond customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Winbond for any damages resulting from such improper use or sales. The contents of this document are provided only as a guide for the applications of Winbond products. Winbond makes no representation or warranties with respect to the accuracy or completeness of the contents of this publication and reserves the right to discontinue or make changes to specifications and product descriptions at any time without notice. No license, whether express or implied, to any intellectual property or other right of Winbond or others is granted by this publication. Except as set forth in Winbond's Standard Terms and Conditions of Sale, Winbond assumes no liability whatsoever and disclaims any express or implied warranty of merchantability, fitness for a particular purpose or infringement of any Intellectual property. The contents of this document are provided "AS IS", and Winbond assumes no liability whatsoever and disclaims any express or implied warranty of merchantability, fitness for a particular purpose or infringement of any Intellectual property. In no event, shall Winbond be liable for any damages whatsoever (including, without limitation, damages for loss of profits, business interruption, loss of information) arising out of the use of or inability to use the contents of this documents, even if Winbond has been advised of the possibility of such damages. Application examples and alternative uses of any integrated circuit contained in this publication are for illustration only and Winbond makes no representation or warranty that such applications shall be suitable for the use specified. The 100-year retention and 100K record cycle projections are based upon accelerated reliability tests, as published in the Winbond Reliability Report, and are neither warranted nor guaranteed by Winbond. This product incorporates SuperFlash(R). This datasheet and any future addendum to this datasheet is(are) the complete and controlling ISD(R) ChipCorder(R) product specifications. In the event any inconsistencies exist between the information in this and other product documentation, or in the event that other product documentation contains information in addition to the information in this, the information contained herein supersedes and governs such other information in its entirety. This datasheet is subject to change without notice. Copyright(c) 2005, Winbond Electronics Corporation. All rights reserved. ChipCorder(R) and ISD(R) are trademarks of Winbond Electronics Corporation. SuperFlash(R) is the trademark of Silicon Storage Technology, Inc. All other trademarks are properties of their respective owners.
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Publication Release Date: Jan. 23, 2007 Revision 1.2

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