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 ST3384E
15KV ESD-PROTECTED, 3 TO 5.5V, LOW POWER, UP TO 250KBPS, RS-232 TRANSCEIVER
s
s s s s s s s
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ESD PROTECTIO FOR RS-232 I/O PINS 15KV (HUMAN BODY MODEL) LATCHUP FREE 1A LOW POWER SHUTDOWN 300A SUPPLY CURRENT 250Kbps GUARENTEED DATA RATE 20s TYPICAL TIME TO EXIT SHUTDOWN 6V/s GUARANTEED SLEW RATE MEET EIA/TIA-232 SPECIFICATIONS DOWN TO 3V PACKAGES: SO-18 AND SSOP-20
SO-18
SSOP20
DESCRIPTION The ST3384E is a 3V powered EIA/TIA-232 and V.28/V.24 communications interface with low power requirements, high data-rate capabilities and enhanced electrostatic discharge (ESD) protection. All transmitter outputs and receiver inputs are protected to 15kV using the Human Body Model. The ST3384E has a proprietary low dropout transmitter output stage enabling true RS-232 performance from 3 to 5.5V supplies with a dual charge pump. The charge pump require only four small 0.1F external capacitors for operation from a 3.3V supply. ORDERING CODES
Type ST3384ECD ST3384EBD ST3384ECDR ST3384EBDR ST3384ECPR ST3384EBPR Temperature Range 0 to 70 C -40 to 85 C 0 to 70 C -40 to 85 C 0 to 70 C -40 to 85 C Package
The device is guaranteed to run at data rates of 250Kbps while maintaining RS-232 output levels. The ST3384E has two receivers and two drivers. It features a 1A shutdown mode that reduces power consumption and extends battery life in portable systems. Typical applications are in Notebook, Sub-notebook, and Palmtop Computers, Battery Powered Equipment, Hand-Held Equipment, Peripherals, Printers.
Comments 50 parts per tube / 20 tube per box 50 parts per tube / 20 tube per box 1000 parts per reel 1000 parts per reel 1350 parts per reel 1350 parts per reel
SO-18 (Tube) SO-18 (Tube) SO-18 (Tape & Reel) SO-18 (Tape & Reel) SSOP20 (Tape & Reel) SSOP20 (Tape & Reel)
July 2003
1/11
ST3384E
PIN CONFIGURATION
SO-18 SSOP20
PIN DESCRIPTION
PlN N (SO-18) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 PlN N (SSOP20) 1, 10, 11 2 3 4 5 6 7 8 9 12 13 14 15 16 17 18 19 20 SYMBOL N.C. C1+ V+ C1C2+ C2VT2OUT R2IN R2OUT T2IN T1IN R1OUT R1IN T1OUT GND VCC SHDN NAME AND FUNCTION Not Connected Positive Terminal for the first Charge Pump Capacitor 5.5V Generated By The Charge Pump Negative Terminal for the first Charge Pump Capacitor Positive Terminal for the second Charge Pump Capacitor Negative Terminal for the second Charge Pump Capacitor -5.5V Generated By The Charge Pump Second Transmitter Output Voltage Second Receiver Input Voltage Second Receiver Output Voltage Second Transmitter Input Voltage First Transmitter Input Voltage First Receiver Output Voltage First Receiver Input Voltage First Transmitter Output Voltage Ground 3V to 5.5V Supply Voltage. Connect a 0.1F capacitor to GND Active Low Shutdown Control Input. Drive Low To Shut-down Transmitters, receiver and Charge Pump
2/11
ST3384E
ABSOLUTE MAXIMUM RATINGS
Symbol VCC V+ VV+ +|V-| TIN SHDN RIN TOUT ROUT tSHORT Parameter Supply Voltage (VCC to GND) Doubled Voltage Terminal (V+ to GND) (Note 1) Inverted Voltage Terminal (V- to GND) (Note 1) (Note 1) Transmitter Input Voltage Shutdown Input Voltage (SHDN to GND) Receiver Input Voltage (RIN to GND) Transmitter Output Voltage (TOUT to GND) Receiver Output Voltage Transmitter Output Short to GND Time Value -0.3 to 6 (VCC - 0.3) to 7 0.3 to -7 13 -0.3 to 6 -0.3 to 6 25 13.2 -0.3 to (VCC + 0.3) Continuous Unit V V V V V V V V V
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied. V+ and V- can have a maximum magnitude of +7V, but their absolute addition cannot exceed 13 V. Note 1: V+ and V- can have maximum magnitude of 7V, but their absolute difference cannot exceed 13V.
SHUTDOWN TRUTH TABLE
SHDN L H T-OUT High Z Active R-OUT High Z Active
ELECTRICAL CHARACTERISTICS (C1 - C4 = 0.1F, VCC = 3V to 5.5V, tested at 3.3V 10% C1 = 0.047F, C2 - C4 = 0.33F tested at 5V 10% -40C < TA < 85C unless otherwise noted. Typical values are referred to TA = 25C)
Symbol ICC ISHDN ESD Parameter VCC Power Supply Current SHUTDOWN Supply Current R-IN, T-OUT Electrostatic Discharge Immunity Test Conditions SHDN = NO LOAD SHDN = GND Human Body Model Min. Typ. 0.3 1 15 Max. 1 10 Unit mA A kV
LOGIC INPUT ELECTRICAL CHARACTERISTICS (C1 - C4 = 0.1F, VCC = 3V to 5.5V, tested at 3.3V 10% C1 = 0.047F, C2 - C4 = 0.33F tested at 5V 10% -40C < TA < 85C unless otherwise noted. Typical values are referred to TA = 25C)
Symbol VIL VIH VHYS IIL Parameter Input Logic Threshold Low Input Logic Threshold High Transmitter Input Hysteresis Input Leakage Current T-IN, SHDN T-IN, SHDN T-IN, SHDN VCC = 3.3V VCC = 5.0V 2 2.4 0.5 T-IN, SHDN 0.01 1 V A Test Conditions Min. Typ. Max. 0.8 Unit V V
3/11
ST3384E
TRANSMITTER ELECTRICAL CHARACTERISTICS (C1 - C4 = 0.1F, VCC = 3V to 5.5V, tested at 3.3V 10% C1 = 0.047F, C2 - C4 = 0.33F tested at 5V 10% -40C < TA < 85C unless otherwise noted. Typical values are referred to TA = 25C)
Symbol VTOUT RTOUT ITSC ITOL Parameter Output Voltage Swing Transmitter Output Resistance Output Short Circuit Current Output Leakage Current VCC = 0V or 3V to 5.5V Transmitters Disabled VOUT = 12V Test Conditions All Transmitter outputs loaded with 3 K to GND VCC = V+ = V- = 0V Transmitter output = 2V Min. 5 300 Typ. 5.4 10M 50 25 Max. Unit V mA A
RECEIVER DC TARGET ELECTRICAL CHARACTERISTICS (C1 - C4 = 0.1F, VCC = 3V to 5.5V, tested at 3.3V 10% C1 = 0.047F, C2 - C4 = 0.33F tested at 5V 10% -40C < TA < 85C unless otherwise noted. Typical values are referred to TA = 25C)
Symbol IOL VRIN VRIL VRITH VRIH RRIN VROL VROH Parameter Output Leakage Current Input Voltage Operating Range Input Threshold Low Input Threshold High Input Hysteresis Input Resistance TTL/CMOS Output Voltage Low TTL/CMOS Output Voltage High TA = 25C IOUT = 2 mA IOUT = -1 mA VCC-0.6 VCC-0.1 3 Test Conditions R-OUT, Receiver Disabled -25 TA = 25C TA = 25C TA = 25C TA = 25C VCC = 3.3V VCC = 5.5V VCC = 3.3V VCC = 5.5V 0.6 0.8 1.2 1.5 1.5 1.8 0.5 5 7 0.4 2.4 2.4 V K V V V Min. Typ. 0.05 Max. 10 25 Unit A V V
TIMING TARGET ELECTRICAL CHARACTERISTICS (C1 - C4 = 0.1F, VCC = 3V to 5.5V, tested at 3.3V 10% C1 = 0.047F, C2 - C4 = 0.33F tested at 5V 10% -40C < TA < 85C unless otherwise noted. Typical values are referred to TA = 25C)
Symbol DR tPHLR tPLHR Parameter Maximum Data Rate Test Conditions Min. 250 0.15 150 100 VOUT 3V, RLOAD at V+ = 3 K TA = 25C RL = 3K to 7K VCC = 3.3V Measured from +3V to -3V or -3V to +3V CL = 150pF to 1000pF CL = 150pF to 2500pF 20 Typ. Max. Unit Kbps s ns ns s RL = 3 K CL2= 1000pF one transmitter switching Receiver Propagation Delay RXIN to RXOUT CL = 150pF (Note 1)
|tPHLT Transmitter Propagation - tPLHT| Delay Difference (Note 1) |tPHLR Receiver Propagation Delay - tPLHR| Difference tEX SRT Time to Exit Shutdown Transition Slew Rate
6 4
8 8
30 30
V/s V/s
(Note 1) Transmitter Skew is measured at the transmitter zero cross points.
4/11
ST3384E
TYPICAL OPERATING CIRCUIT
CAPACITANCE VALUE (F)
C1 0.1 C2 0.1 C3 0.1 C4 0.1 Cbypass 0.1 5/11
ST3384E
TYPICAL PERFORMANCE CHARACTERISTICS (unless otherwise specified Tj = 25C) Figure 1 : Loopback Test Result at 120 kbps Figure 3 : Transmitter Outputs Exiting Shutdown or Powering Up
VCC = 3.3 V, CI - C4=0.1F
VCC = 5 V, CI - C4=0.1F
Figure 2 : Loopback Test Result at 250 kbps
VCC = 3.3 V, CI - C4=0.1F
6/11
ST3384E
SO-18 MECHANICAL DATA
mm. DIM. MIN. TYP MAX. MIN. TYP. MAX. inch
A A1 A2 B C D E e H h k L
2.35 0.1
2.65 0.3 2.55
0.092 0.004
0.104 0.012 0.100
0.33 0.23 11.35 7.4 1.27 10.00 0.25 8 0.4
0.51 0.32 11.75 7.6
0.013 0.009 0.447 0.291 0.050
0.020 0.012 0.462 0.299
10.65 0.75 (max.) 1.27
0.393 0.010
0.419 0.029
0.016
0.050
h x 45u A2
A K L H
B
0.10mm .004 Seating Plane
e
A1
C
D
18
10
1
9
SO18
E
0070768
7/11
ST3384E
SSOP20 MECHANICAL DATA
mm. DIM. MIN. A A1 A2 b c D E E1 e K L 0 0.55 0.05 1.65 0.22 0.09 6.9 7.4 5 7.2 7.8 5.3 0.65 BSC 4 0.75 8 0.95 0 0.022 1.75 1.85 0.38 0.25 7.5 8.2 5.6 TYP MAX. 2 0.002 0.065 0.009 0.004 0.272 0.291 0.197 0.283 0.307 0.209 0.0256 BSC 4 0.030 8 0.037 0.069 0.073 0.015 0.010 0.295 0.323 0.220 MIN. TYP. MAX. 0.079 inch
A
A2 A1 b e K c L E
D
E1
PIN 1 IDENTIFICATION
1
0061436C
8/11
ST3384E
Tape & Reel SO-18 MECHANICAL DATA
mm. DIM. MIN. A C D N T Ao Bo Ko Po P 10.8 11.9 2.9 3.9 11.9 12.8 20.2 60 22.4 11.0 12.1 3.1 4.1 12.1 0.425 0.468 0.114 0.153 0.468 TYP MAX. 330 13.2 0.504 0.795 2.362 0.882 0.433 0.476 0.122 0.161 0.476 MIN. TYP. MAX. 12.992 0.519 inch
9/11
ST3384E
Tape & Reel SSOP20 MECHANICAL DATA
mm. DIM. MIN. A C D N T Ao Bo Ko Po P 8.4 7.7 2.9 3.9 11.9 12.8 20.2 60 22.4 8.6 7.9 3.1 4.1 12.1 0.331 0.303 0.114 0.153 0.468 TYP MAX. 330 13.2 0.504 0.795 2.362 0.882 0.339 0.311 0.122 0.161 0.476 MIN. TYP. MAX. 12.992 0.519 inch
10/11
ST3384E
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. (c) The ST logo is a registered trademark of STMicroelectronics (c) 2003 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom - United States. (c) http://www.st.com
11/11


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