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Dual Channel Bi-directional High Speed Optoisolators Technical Data
HCPL-0560 HCPL-0561 Features
* Bi-directional Configurations in SOIC-8 Package * Available Configurations: VCC Common: HCPL-0560 Ground Common: HCPL-0561 * High Speed: 1 MBd * TTL Compatible * Open Collector Output Stage * Performance Guaranteed over 0C to +70C Temperature Range * Safety Approval UL Recognized per UL1577 for 2500 Vrms/1 min. CSA Approved
Description
These bi-directional dual channel optoisolators, packaged in an industry standard SOIC-8 package, provide full duplex and bi-directional isolated data transfer and communication capability in a compact surface mount package. These optoisolators contain two pairs of emitters and detectors packaged in a unique configuration to allow simultaneous, isolated, bi-directional transmit and receive capability in a single package. Separate photo-detector and output stage allows a speed performance hundreds of times faster than a conventional phototransistor coupler by minimizing the base-collector capacitance and charge storage effects. The HCPL-0560 is a VCC common configuration, in which anode of the LED of one channel is internally connected to the output side VCC of the second channel. Thus, the LED input current of one channel now becomes a function of the VCC of the second channel in the package, and appropriate care is required so as not to overdrive the LEDs.
Functional Diagram
HCPL-0560
CH. A 1 ICA GND LEDA GND 8
2 SIDE 1 3
VOA
VCC2
7
SIDE 2 VCC1 VOB ICB GND 6
4
LEDB GND
5
CH. B LED ON OFF VO LOW HIGH
HCPL-0561
Applications
* Full Duplex Communication * Data Communication: Isolated Transmit/Receive * Bi-directional Communication * PLC I/O Interface * Isolated Primary/Secondary Power Supply Sensing * Industrial Standard Data Interface: TIA/EIA-232-E * Industrial Controls * Remote Isolation Sensing
CH. A 1 GND1 LED VCCA 8
2 SIDE 1 3
VOA
VCC2
7
SIDE 2 VCC1 LED VCCB VOB 6
4
GND2
5
CH. B LED ON OFF VO LOW HIGH
A 0.1 F bypass capacitor must be connected between pins 1 and 3, and between pins 5 and 7. CAUTION: It is advised that normal static precautions be taken in handling and assembly of this com-ponent to prevent damage and/or degradation which may be induced by ESD.
2
The HCPL-0561 is a GND common configuration in which each isolated ground is common to both channels on each side of the optoisolator. Other than the internal configuration difference between the HCPL-0560 and HCPL-0561, all electrical
parameters including ac and dc are the same for the Ground Common and V CC common configurations. These optoisolators have a minimum CTR of 15% over the recomended operating
temperature range of 0C to +70C, and maximum propagation delays of 1 s. Minimum common mode transient immunity of 1 kV/s is guaranteed at a maximum common mode voltage of 10 Vp-p at 25C.
Selection Guide
Common Type VCC Common GND Common Small-Outline SO-8 Data Bi-directional Rate Channel (baud) HCPL-0560 HCPL-0561 1M Recommended IF On-Current (mA) 16 Minimum CTR (%) 15 Electrical Equivalent 8-pin DIP Single Channel HCPL-4502
Ordering Information
Specify Part Number Followed by Option Number (if desired) Example HCPL-0560# XXX
No Option = 100 per tube. 500 = Tape and Reel Packaging Option, 1000 per reel.
Option data sheets available. Contact Hewlett-Packard sales representative or authorized distributor for information.
Schematic
SIDE 1 CH. A GND1 SHIELD 1 IOA VOA 2 IOB VCC1 3 IFB SHIELD CH. B
HCPL-0560 VCC COMMON
SIDE 2
SIDE 1 CH. A VIN A GND1 SHIELD 1 IOA 7 VCC2 VOA 2
SIDE 2
8 IFA 7
IFA
8
VIN A
7 IOB
VCC2
6
VOB
VCC1
3 IFB
6
VOB
VIN B
4
VIN B
4
SHIELD CH. B
HCPL-0561 GND COMMON
5
GND2
3
Package Outline Drawings
Surface Mount Small-Outline SOIC-8 Package
8
7
6
5
3.937 0.127 (0.155 0.005)
XXX YWW
5.994 0.203 (0.236 0.008) TYPE NUMBER (LAST 3 DIGITS) DATE CODE
4
PIN ONE 1 0.406 0.076 (0.016 0.003)
2
3
1.270 BSG (0.050) * 5.080 0.127 (0.200 0.005) 7 0.432 (0.017)
45 X
3.175 0.127 (0.125 0.005)
0 ~ 7 1.524 (0.060) 0.203 0.102 (0.008 0.004)
0.228 0.025 (0.009 0.001)
* TOTAL PACKAGE LENGTH (INCLUSIVE OF MOLD FLASH)
5.207 0.254 (0.205 0.010) DIMENSIONS IN MILLIMETERS (INCHES). LEAD COPLANARITY = 0.10 mm (0.004 INCHES) MAX.
0.305 MIN. (0.012)
Solder Reflow Temperature Profile
260 240 220 200 180 160 140 120 100 80 60 40 20 0 0
T = 145C, 1C/SEC T = 115C, 0.3C/SEC
TEMPERATURE - C
T = 100C, 1.5C/SEC
1
2
3
4
5
6
7
8
9
10
11
12
TIME - MINUTES (NOTE: USE OF NON-CHLORINE ACTIVATED FLUXES IS HIGHLY RECOMMENDED.)
4
Regulatory Information
The HCPL-0560 has been approved by the following regulatory organizations:
UL Recognized under UL 1577 component recognition program, File E55361.
CSA Approved under CSA Component Acceptance Notice No. 5, File CA 88324.
Insulation and Safety Related Specifications
Parameter Minimum External Air Gap (Clearance) Minimum External Tracking (Creepage) Minimum Internal Plastic Gap (Internal Clearance) Symbol L(101) L(102) Value 4.97 4.83 Units mm mm Conditions Measured from input terminals to output terminals, shortest distance through air. Measured from input terminals to output terminals, shortest distance path along body. Through insulation distance, conductor to conductor, usually the direct distance between the photoemitter and photodetector inside the optocoupler cavity. DIN IEC 112/VDE 0303 Part 1. Material Group (DIN VDE 0110, 1/89, Table 1).
0.08
mm
Tracking Resistance (Comparative Tracking Index) Isolation Group
CTI
200 IIIa
Volts
5
Absolute Maximum Ratings
(No Derating Required up to +85C.) Parameter Storage Temperature Operating Temperature Average Forward Input Current* Peak Forward Input Current* (50% duty cycle, 1 ms pulse width) Peak Transient Input Current* (< 1 s pulse width, 300 pps) Reverse Input Voltage* Output Current* Supply Voltage Output Voltage Input Power Dissipation* Output Power Dissipation* Total Power Dissipation Reflow Temperature Profile *Each Channel. Symbol TS TA IF(AVG) IFPK IF(TRAN) VR IO VCC1, V CC2 V01, V 02 PI PO PT -0.5 -0.5 Min. -55 -55 Max. 125 100 25 50 1 5 16 30 20 45 35 160 Units C C mA mA A V mA V V mW mW mW 2 1 Note
See Package Outline Drawing section.
Recommended Operating Conditions
Parameter Power Supply Voltage Forward Input Current (ON) Forward Input Voltage (OFF) Operating Temperature Symbol VCC1 , VCC2 IF(ON) VF(OFF) TA Min. 4.5 12 0 0 Max. 18 16 0.8 70 Units V mA V C
6
Electrical Specifications
Over recommended temperature (TA = 0C to +70C) unless otherwise specified (see Note 6). All typical values at TA = 25C. Parameter Current Transfer Ratio Logic Low Output Voltage Logic High Output Current Logic Low Supply Current Logic High Supply Current Input Forward Voltage Input Reverse Breakdown Voltage Temperature Coefficient of Forward Voltage Input Capacitance Sym. CTR VOL IOH ICCL ICCH VF BVR VF /TA 5 -1.6 Min. Typ. Max. Units 19 15 24 0.1 0.003 100 0.05 1.5 55 0.5 0.5 0.5 50 400 4 1.7 1.8 % V A A A V V Test Conditions TA = 25C IF = 16 mA V CC = 4.5 VO = 0.5 V Fig. Note 1,2,4 1 6 3,4 3
TA = 25C, IO = 3 mA IF = 16 mA IO = 2.4 mA VCC = 4.5 V TA = 25C, VCC = 5.5 V IF = 0 mA VCC = 15 V VO = Open IF = 16 mA, V O = Open, VCC = 15 V IF = 0 mA, VO = Open, VCC = 15 V TA = 25C IR = 10 A IF = 16 mA
3
3
mV/C IF = 16 mA
CIN
60
pF
f = 1 MHz, VF = 0 V
3
Switching Specifications (AC)
Over recommended operating conditions (TA = 0 to +70C), VCC = 5 V, IF = 16 mA unless otherwise specified. All typical values at TA = 25C. Parameter Propagation Delay Time to Logic Low at Output Propagation Delay Time to Logic High at Output Sym. tPHL Min. Typ. Max. Units 0.2 0.85 1 tPLH 0.6 0.85 1 1 10 kV/s IF = 0 mA, T A = 25C RL = 1.9 k, VCM = 10 V p-p kV/s IF = 16 mA, TA = 25C RL = 1.9 k, VCM = 10 V p-p 3 MHz 9,10 6,8 13,14 5,6,7 s TA = 25C RL = 1.9 k s Test Conditions TA = 25C RL = 1.9 k Fig. Note 5,8, 11,12 5,6
Common Mode |CMH| Transient Immunity at Logic High Output Common Mode |CML | Transient Immunity at Logic Low Output Bandwidth BW
1
10
7
Package Characteristics
All typical values at TA = 25C. Parameter Side 1 - Side 2 Momentary Withstand Voltage* Side 1 - Side 2 Resistance Side 1 - Side 2 Capacitance
-
Sym. VISO
Min. Typ. Max. Units 2500
Test Conditions
Fig. Note 9,10
Vrms RH < 50%, t = 1 min., T A = 25C 1012 0.25 pF RH 45%, t = 5S, VI-O = 500 Vdc f = 1 MHz
R1-2 C1-2
9 9
* The Input-Output Momentary Withstand Voltage is a dielectric voltage rating that should not be interpreted as an input-output continuous voltage rating. For the continuous voltage rating refer to the VDE 0884 Insulation Characteristics Table (if applicable), your equipment level safety specification or HP Application Note 1074 entitled "Optocoupler Input-Output Endurance Voltage," publication number 5963-2203E. Notes: 1. Derate linearly above 90C free-air temperature at a rate of 3.0 mW/C. 2. In the V CC common configuration, Input LED current is a function of the VCC supply voltage. See application information section to set the proper drive currents. 3. Each channel. 4. DC CURRENT TRANSFER RATIO is defined as the ratio of output collector current, IO , to the forward LED input current IF, times 100%. 5. The 1.9 k load represents 1 TTL load of 1.6 mA and 5.6 k pull-up resistor. 6. Use of a 0.1 F bypass capacitor connected between pins 1 and 3, & 5 and 7 adjacent to the device is recommended. 7. Common mode transient immunity in a Logic High level is the maximum tolerable (positive) dVCM /dt of the common mode pulse, VCM, to assure that the output will remain in a Logic High state (i.e., VO > 2.0 V). Common mode transient immunity in a Logic Low level is the maximum tolerable (negative) dVCM /dt of the common mode pulse, VCM, to assure that the output will remain in a Logic Low state (i.e., VO < 0.8 V). 8. The frequency at which the ac output voltage of 3 dB below the low frequency asymptote. 9. Device considered a two-terminal device. Pins 1, 2, 3, and 4 shorted together and Pins 5, 6, 7, and 8 shorted together. 10. In accordance with UL 1577, each optocoupler is proof tested by applying an insulation test voltage 3000 Vrms for 1 second (leakage detection current limit, I I-O < 5 A).
8
NORMALIZED CURRENT TRANSFER RATIO
IO - OUTPUT CURRENT - mA
35 mA 30 mA 25 mA
IF - FORWARD CURRENT - mA
TA = 25C 10 VCC = 5.0 V
40 mA
1.5
1000 100 10 1.0 0.1 0.01 0.001 1.1
IF + VF -
TA = 25C
1.0
5
20 mA 15 mA 10 mA IF = 5 mA
0.5
0
0
10 VO - OUTPUT VOLTAGE - V
20
0.1 0 1
NORMALIZED I F = 16 mA VO = 0.5 V VCC = 5 V TA = 25C 10 100
1.2
1.3
1.4
1.5
1.6
IF - INPUT CURRENT - mA
VF - FORWARD VOLTAGE - VOLTS
Figure 1. DC and Pulsed Transfer Characteristics.
Figure 2. Current Transfer Ratio vs. Input Current.
Figure 3. Input Current vs. Forward Voltage.
NORMALIZED CURRENT TRANSFER RATIO
IOH - LOGIC HIGH OUTPUT CURRENT - nA
1.1
tP - PROPAGATION DELAY - ns
2000
10+4 10+3 10+2 10+1 10 0 10 -1 10 -2 -50
IF = 0 VO = VCC = 5.0 V
1.0
1500
0.9 NORMALIZED IF = 16 mA VO = 0.5 V VCC = 5 V TA = 25C
1000 t PLH 500 t PHL
0.8
0.7
0.6 -60 -40 -20
0
20
40
60
80 100
0 -60
-20
20
60
100
-25
0
+25
+50
+75
+100
TA - TEMPERATURE - C
TA - TEMPERATURE - C
TA - TEMPERATURE - C
Figure 4. Current Transfer Ratio vs. Temperature.
Figure 5. Propagation Delay vs. Temperature.
Figure 6. Logic High Output Current vs. Temperature.
IO I F - SMALL SIGNAL CURRENT TRANSFER RATIO
0.30
tP - PROPAGATION DELAY - s
TA = 25C, RL = 100 , VCC = 5 V
3.0 IF = 16 mA 2.0 VCC = 5.0 V TA = 25 C 1.0 0.8 0.6 0.4 tPLH
0.20
0.10
t PHL
0.2 0.1 1
0 0 4 8 12 16 20 24 IF - QUIESCENT INPUT CURRENT - mA
2
3
4
5
6 7 8 9 10
RL - LOAD RESISTANCE - k
Figure 7. Small-Signal Current Transfer Ratio vs. Quiescent Input Current.
Figure 8. Propagation Delay Time vs. Load Resistance.
9
0
NORMALIZED RESPONSE -dB
-5 -10 -15 -20 -25
TA = 25C IF = 16 mA RL = 100 RL = 220 RL = 470 RL = 1 k
-30 0.01
0.1
1.0
10
f - FREQUENCY - MHz
HCPL-0560 GND1 1 1 0.1 F VCC1 5V SET I F AC INPUT 0.1 F 560 100 1.6 V dc 0.25 Vp-p ac 2 *INCLUDES PROBE AND FIXTURE CAPACITANCE 20 k VINB 4
2N3053
SHIELD
VINA 8 5V VCC2 7 VOB 0.1 F RL VO GND2 5
VOA 2
3
6
SHIELD 2
CL = 15 pF*
1
Figure 9. Frequency Response (HCPL-0560).
HCPL-0561 GND1 5V VOA 2 SET IF AC INPUT 0.1 F 560 100 1.6 V dc 5V 0.25 Vp-p ac 20 k
2N3053
1
SHIELD LED
VINA 8 VCC2 7 VOB 0.1 F RL VO GND2 5V
VCC1 3 VINB 4 SHIELD LED 5 6
CL = 15 pF* 2
1
2 *INCLUDES PROBE AND FIXTURE CAPACITANCE
Figure 10. Frequency Response (HCPL-0561).
10
5V VIN 0 1 16 mA 0.1 F IF 0 VOH VO tPHL 1.5 V 1.5 V tPLH VOL VIN 5V IF RF 215 VINB 4 VCC1 3 GND1 1 VOA 2
HCPL-0560 SHIELD VINA 8 5V VCC2 7 VOB 6 GND2 5 SHIELD 2 PULSE GEN. ZO = 50 tR, tF = 5 ns 10% DUTY CYCLE 1/f 100 sec 1 2 IF MONITOR *INCLUDES PROBE AND FIXTURE CAPACITANCE CL = 15 pF* 0.1 F RL 1.9 k VO
Figure 11. Switching Test Circuit (HCPL-0560).
5V VIN 0 GND1 IF (MONITOR) RM 1 VOH VO tPHL 1.5 V 1.5 V tPLH VOL VINB VIN 4 LED VOA 2 VCC1 3 1
HCPL-0561 SHIELD LED VINA 8 VCC2 7 VOB 6 GND2 5 SHIELD 2 PULSE GEN. ZO = 50 tR, tF = 5 ns 10% DUTY CYCLE 1/f 100 sec 1 2 *INCLUDES PROBE AND FIXTURE CAPACITANCE CL = 15 pF* 0.1 F VCC 5V RL 1.9 k VO
16 mA IF 0
Figure 12. Switching Test Circuit (HCPL-0561).
HCPL-0560 10 V 90 % 10 % GND1 90 % 10 % VOA 2 tR SWITCH AT A: IF = 0 mA VO SWITCH AT B: IF = 16 mA VFF 2 VCM + - *INCLUDES PROBE AND FIXTURE CAPACITANCE 2 VOL tF B IF A RF VINB 4 SHIELD 5 VCC1 3 6 GND2 CL = 15 pF* 1 SHIELD VINA 8 5V VCC2 7 VOB 0.1 F RL 1.9 k VO
VCM
VO
5V
PULSE GEN.
Figure 13. Test Circuit for Transient Immunity and Typical Waveforms (HCPL-0560).
11
HCPL-0561 10 V 90 % 10 % GND1 90 % 10 % VOA 2 tR SWITCH AT A: IF = 0 mA VO SWITCH AT B: IF = 16 mA VOL RF B tF VFF A VCC1 3 VINB 4 SHIELD 2 VCM + - *INCLUDES PROBE AND FIXTURE CAPACITANCE 2 LED 5 6 GND2 CL = 15 pF* 1 SHIELD LED VINA 8 5V VCC2 7 VOB 0.1 F RL 1.9 k VO
VCM
VO
5V
PULSE GEN.
Figure 14. Test Circuit for Transient Immunity and Typical Waveforms (HCPL-0561).
Application Information
The HCPL-0560 (common VCC configuration) and HCPL-0561 (common GND configuration) optoisolators are ideal for use in bi-directional data transmission and communication applications. Each of the two configurations contains two optoisolators each in an industry standard SOIC-8 package. Bi-directional here implies that there are two emitter-detector pairs assembled in opposite direction across the isolation barrier. This allows simultaneous, bi-directional, full duplex data transmission capability within a single optoisolator package. The HCPL-0560 is internally connected in a "common VCC" configuration, which means that the LED anode of one channel is
connected to the V CC pin of the second channel on each side of the isolation barrier. The HCPL0561 is internally connected in a "common GND" configuration, which means that the LED cathode of one channel is connected to the emitter or GND of the second channel on each side of the isolation barrier. Having a maximum guaranteed speed of 1 Mbd the HCPL-0560 and HCPL-0561 are ideal for applications involving the RS-232-E (TIA/EIA-232) data transmission standard. If these optoisolators are used in RS-232-E applications, it is understood that the optoisolators will be used in conjunction with an appropriate transceiver of the RS-232-E standard.
The common VCC configuration (HCPL-0560) transmits noninverting signal with respect to the cathode voltage of the LED pins (4,8) in the driver configuration shown Figure 15. When the input signal at the base of the driver transistor (2N3904) is high, the input LED conducts drive current, and allows the output of the optoisolator to be in the low state. Thus, when the cathode voltage is low (LED ON) the output is low, and when the cathode voltage is high (LED OFF) the output will be high. In other words, HCPL-0560 can be considered to transmit noninverting signal. The common GND configuration (HCPL-0561) transmits inverting signal with respect to the anode voltage of the LED pins (4,8) in the driver configuration shown in Figure 16.
12
HCPL-0560 GND1 1 1 VO1 RL VOA 0.01 F VCC1 2 SHIELD VINA 8 5V VCC2 7 VOB 3 5V RF VIN RB
2N3904
RF
12 k
2N3904
VIN RB
0.01 F
RL VO2 2
6 GND2
VINB 4 SHIELD 5
12 k 1
2
Figure 15. Input Drive Circuit HCPL-0560.
VCC2 5V HCPL-0561 GND1 1 1 VOUT (A) RL 1.9 k RF 220 VOA 0.01 F VCC1 2 SHIELD LED VINA 8 5V VCC2 7 VOB 3 5V VINB 4 SHIELD RB
2N3904 2N3904
RF
220 RB VIN (A)
0.01 F
RL 1.9 k
2
6 LED GND2 5 12 k
VOUT (B)
VIN (B)
2
12 k 1
Figure 16. Input Drive Circuit HCPL-0561.
13
Shown in Figures 15 and 16 is the driver interface circuit using a NPN (2N3904) general-purpose transistor. Since, in a VCC common configuration (HCPL-0560) LED anode for one channel is connected to the VCC pin of the second channel, LED input current now becomes a direct function of the power supply voltage. Thus, care must be taken to use an appropriate current limiting resistor, the value of which will be a function of the common supply voltage.
Table A below lists the recommended RF (series drive current limiting resistor) and RL (output pull-up load resistor) for the HCPL-0560 optoisolator. The RF values chosen will limit the input drive current at the minimum recommended value of 16 mA. The RL value chosen at each supply voltage will guarantee an output current does not exceed the maximum current consistent with the minimum specified CTR of 15%. Similarly, Table B lists the recommended RF and RL for the HCPL-0561 configuration.
Table A. HCPL-0560 Input/Output Current Limiting Resistors VCC1 or VCC2 5 10 15 20 RF () 188 500 812 1125 RL () 1.9 4.0 6.0 8.2
Figure 17 shows an RS-232-E isolated interface using the HCPL-0560. The LED is shown driven with a NPN transistor (2N3904). The input series current limiting resistor RF (200 ) sets the LED current at 16 mA minimum required for the optoisolator. The pull-up resistor RL (1.9 k) assures that the optoisolator output will saturate and conduct current consistent with the minimum CTR of 15%. The output of the optoisolator is shown to interface directly with DS14C232 (transceiver for RS-232-E) driver input. The output of the transceiver is shown to drive the input of NPN Transistor (2N3904). This NPN transistor is configured to drive the LED of the optoisolator. Similarly Figure 18 shows an RS-232-E isolated interface using the HCPL-0561. Again, NPN transistor 2N3904 is used to drive the LED of the optoisolator. And the output of the optoisolator is directly connected to the driver input of the transceiver (DC14C232).
Table B. HCPL-0561 Input/Output Current Limiting Resistors VCC1 or VCC2 5 10 15 20 RF () 218 531 843 1156 RL () 1.9 4.0 6.0 8.2
14
1 F 2 2N3904 RF 200 HCPL-0560 GND1 1 1 RX 5V RL 1.9 k 5V RF RB 12 k 1 200 2N3904 2 VOA 0.01 F VCC1 2 SHIELD VINA 8 5V VCC2 7 VOB 3 VINB 4 SHIELD 5 TTL/CMOS OUTPUTS 6 GND2 0.01 F RL 1.9 k TTL/CMOS INPUTS 2 C1 1.0 F 6.3 V C2 1.0 F 16 V 1 RB 12 k C1+
5V 16 VCC
C4 1.0 F 6.3 V
3C 14 C2+ 5 11 C2-
V+ V-
2 6 2 C3 1.0 F 16 V
DC to DC CONVERTER
DIN1
DOUT1
14 TIA/EIA-232-E (RS-232) OUTPUTS
10
DIN2
DOUT2
7
TX
12
ROUT1
RIN1
13 TIA/EIA-232-E (RS-232) INPUTS
9
ROUT2 GND 15 2
RIN2
8
DS14C232
Figure 17. Isolated Full Duplex RS-232-E Communication Interface with Bi-directional Optoisolator (HCPL-0560).
15
VCC2 5V RF 200
1 F 2 1 2N3904 C1 1.0 F 6.3 V RB 12 k C2 1.0 F 16 V C1+
5V 16 VCC
C4 1.0 F 6.3 V
HCPL-0561 GND1 1 1 RX 5V RL 1.9 k RF 200 TX RB 2N3904 12 k 1 VOA 0.01 F VCC1 2 SHIELD LED VINA 8 5V VCC2 7 VOB 3 5V VINB 4 SHIELD 2 LED GND2 5 6 0.01 F RL 1.9 k 2
3C 14 C2+ 5 11 C2-
V+
2 C3 1.0 F 16 V 2
V6 DC to DC CONVERTER 14
DIN1
DOUT1
TTL/CMOS INPUTS
10
DIN2
DOUT2
7
TIA/EIA-232-E (RS-232) OUTPUTS
12 TTL/CMOS OUTPUTS
ROUT1
RIN1
13 TIA/EIA-232-E (RS-232) INPUTS
9
ROUT2 GND 15 2
RIN2
8
DS14C232
Figure 18. Isolated Full Duplex RS-232-E Communication interface with Bi-directional Optoisolator (HCPL-0561).
www.hp.com/go/isolator For technical assistance or the location of your nearest Hewlett-Packard sales office, distributor or representative call: Americas/Canada: 1-800-235-0312 or 408-654-8675 Far East/Australasia: Call your local HP sales office. Japan: (81 3) 3335-8152 Europe: Call your local HP sales office. Data subject to change. Copyright (c) 1998 Hewlett-Packard Co. Obsoletes 5966-2017E 5968-1088E (8/98)

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