DS1691A/DS3691 RS-422 RS-423 AM26LS30 RS-422/RS-423 DS005783 DS005783-1

Features The DS1691A/DS3691 are low power Schottky TTL line drivers designed to meet the requirements of EIA standards RS-422 and

General Description Features The DS1691A/DS3691 DS1691A/DS3691 are low power Schottky TTL line drivers designed to meet the requirements of EIA standards RS-422 RS-422 and RS-423 RS-423. They feature 4 buffered outputs with high source and sink current capability with internal short circuit protection. A mode control input provides a choice of operation either as 4 single-ended line drivers or 2 differential line drivers. A rise time control pin allows the use of an external capacitor to slow the rise time for suppression of near end crosstalk to other receivers in the cable. Rise time capacitors are primarily intended for waveshaping output signals in the single-ended driver mode. Multipoint applications in differential mode with waveshaping capacitors is not allowed. With the mode select pin low, the DS1691A/DS3691 DS1691A/DS3691 are dual-differential line drivers with TRI-STATE outputs. They feature ± 10V output common-mode range in TRI-STATE mode and 0V output unbalance when operated with ± 5V supply. n Dual RS-422 RS-422 line driver with mode pin low, or quad RS-423 RS-423 line driver with mode pin high n TRI-STATE outputs in RS-422 RS-422 mode n Short circuit protection for both source and sink outputs n Outputs will not clamp line with power off or in TRI-STATE n 100 transmission line drive capability n Low ICC and IEE power consumption RS-422 RS-422: ICC = 9 mA/driver typ RS-423 RS-423: ICC = 4.5 mA/driver typ: IEE = 2.5 mA/driver typ n Low current PNP inputs compatible with TTL, MOS and CMOS n Pin compatible with AM26LS30 AM26LS30 DS1691A/DS3691 DS1691A/DS3691 DS1691A/DS3691 DS1691A/DS3691 (RS-422/RS-423 RS-422/RS-423) Line Drivers with TRI-STATE ® Outputs DS1691A/DS3691 DS1691A/DS3691 (RS-422/RS-423 RS-422/RS-423) Line Drivers with TRI-STATE Outputs February 1996 TRISTATE ® is a registered trademark of National Semiconductor Corporation. © 1997 National Semiconductor Corporation http:\\www.national.com DS005783 DS005783 PrintDate=1997/03/28 PrintTime=10:15:23 6939 ds005783 Rev. No. 1 Proof 1 1 Connection Diagrams With Mode Select HIGH (RS-422 RS-422 Connection) With Mode Select HIGH (RS-423 RS-423 Connection) DS005783-1 DS005783-1 DS005783-2 DS005783-2 Top View Top View DS005783-18 DS005783-18 Top View Order Number DS1691AJ DS1691AJ, DS3691J DS3691J, DS3691M DS3691M, DS3691N DS3691N or DS3691V DS3691V See NS Package Number J16A, M16A, N16A or V20A For Complete Military 883 Specifications, see RETS Data Sheet Order Number DS1691AJ/883 DS1691AJ/883 See NS Package Number J16A Truth Table Operation Inputs Outputs Mode A (D) 0 0 0 0 1 0 1 TRI-STATE TRI-STATE 0 1 0 1 0 0 1 1 TRI-STATE TRI-STATE 1 0 0 0 0 1 0 1 0 1 1 1 0 1 0 1 RS-423 RS-423 B (C) 0 RS-422 RS-422 A (D) 1 1 1 1 http:\\www.national.com PrintDate=1997/03/28 PrintTime=10:15:23 6939 ds005783 Rev. No. 1 B (C) 2 Proof 2 Absolute Maximum Ratings Operating Conditions (Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage VCC VEE Maximum Power Dissipation (Note 1) at 25°C Cavity Package Molded DIP Package SO Package Input Voltage Output Voltage (Power OFF) Storage Temperature -65°C Lead Temperature (Soldering, 4 seconds) DC Electrical Characteristics Symbol Min Supply Voltage DS1691A DS1691A VCC VEE DS3691 DS3691 VCC VEE Temperature (TA) DS1691A DS1691A DS3691 DS3691 7V -7V 1509 mW 1476 mW 1051 mW 15V ± 15V to + 150°C Max Units 4.5 -4.5 5.5 -5.5 V V 4.75 -4.75 5.25 -5.25 V V -55 0 +125 +70 °C °C Note 1: Derate cavity package 10.1 mW/°C above 25°C; derate molded DIP package 11.9 mW/°C above 25°C. Derate SO package 8.41 mW/°C above 25°C. 260°C (Notes 3, 4, 5, and 6) Parameter Conditions Min Typ Max Units 0.8 V RS-422 RS-422 CONNECTION, VEE CONNECTION TO GROUND, MODE SELECT 0.8V VIH High Level Input Voltage VIL Low Level Input Voltage IIH High Level Input Current VIN = 2.4V 1 40 µA VIN 15V VIN = 0.4V 10 100 µA -30 -200 µA 2 IIL Low Level Input Current VI Input Clamp Voltage VO Differential Output Voltage VO VA,B VT Differential Output Voltage RL = 100 VT VA,B VOS, VOS Common-Mode Offset VCC 4.75V RL = 100 IIN = -12 mA RL = V -1.5 V 3.6 6.0 V -3.6 -6.0 VIN = 2V VIN = 0.8V VIN = 2V 2 2.4 VIN = 0.8V -2 -2.4 V V V 2.5 3 V RL = 100 0.05 0.4 V RL = 100 0.05 0.4 V Voltage |VT| - |VT | Difference in Differential Output Voltage |VOS| - |VOS | Difference in CommonMode Offset Voltage VSS |VT - VT | VCMR Output Voltage Common- RL = 100, VCC 4.75V VDISABLE = 2.4V 4.0 4.8 V ± 10 V Mode Range IXA Output Leakage Current IXB IOX TRI-STATE Output Current VCC = 0V VCMR = 10V VCMR = -10V ISA Output Short Circuit Current VCC = Max VEE = 0V and -5V VIN = 0.4V ISB Output Short Circuit Current VIN = 2.4V ICC 100 µA -100 µA VCMR 10V 100 µA VCMR -10V VOA = 6V -100 µA 80 150 mA -80 -150 mA -80 -150 mA 80 150 mA 18 Power OFF 30 mA VOB = 0V VOA = 0V VOB = 6V Supply Current 3 PrintDate=1997/03/28 PrintTime=10:15:25 6939 ds005783 Rev. No. 1 http:\\www.national.com Proof 3 AC Electrical Characteristics (Note 6) TA = 25°C Symbol Parameter Conditions RS-422 RS-422 CONNECTION, VCC = 5V, MODE SELECT = 0.8V tr Output Rise Time RL = 100, CL = 500 pF (Figure 1 ) tf Output Fall Time RL = 100, CL = 500 pF (Figure 1 ) tPDH Output Propagation Delay RL = 100, CL = 500 pF (Figure 1 ) tPDL Output Propagation Delay tPZL TRI-STATE Delay tPZH TRI-STATE Delay tPLZ TRI-STATE Delay tPHZ TRI-STATE Delay Min DC Electrical Characteristics Max Units 120 200 ns 120 200 ns 120 200 ns 120 200 ns 250 350 ns 180 300 ns 180 300 ns 250 RL = 100, CL = 500 pF (Figure 1 ) RL = 450, CL = 500 pF, CC = 0 pF (Figure 4 ) RL = 450, CL = 500 pF, CC = 0 pF (Figure 4 ) RL = 450, CL = 500 pF, CC = 0 pF (Figure 4 ) RL = 450, CL = 500 pF, CC = 0 pF (Figure 4 ) Typ 350 ns Max Units (Notes 3, 4, 5, and 6) Symbol Parameter RS-423 RS-423 CONNECTION, |VCC| = |VEE|, MODE SELECT 2V Conditions Min Typ VIH High Level Input Voltage VIL Low Level Input Voltage IIH High Level Input Current VIN = 2.4V 1 100 µA Low Level Input Current VIN 15V VIN = 0.4V 10 IIL -30 -200 µA VI Input Clamp Voltage VO Output Voltage IIN = -12 mA RL = , (Note 7) Output Voltage VCC 4.75V RL = 450 VO VT VT 2 V 0.8 Output Unbalance IX+ Output Leakage Power OFF IX- Output Leakage Power OFF IS+ Output Short Circuit Current VCC = VEE = 0V VO = 0V IS- Output Short Circuit Current VO = 0V ISLEW Positive Supply Current IEE Negative Supply Current V 4.0 4.4 6.0 V -4.0 -4.4 -6.0 3.6 4.1 -3.6 -4.1 Slew Control Current ICC µA -1.5 VIN = 2V VIN = 0.4V VIN = 2.4V VCC 4.75V VIN = 0.4V |VCC| = |VEE| = 4.75V, RL = 450 VCC = VEE = 0V VO = 6V |VT| - |VT | V 40 V V V 0.02 V 2 VO = -6V VIN = 2.4V VIN = 0.4V 0.4 100 µA -2 -100 µA -80 -150 mA 80 150 mA 18 30 mA -10 -22 mA ± 140 VIN = 0.4V, RL = VIN = 0.4V, RL = µA Note 2: "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed. They are not meant to imply that the devices should be operated at these limits. The tables of "Electrical Characteristics" provide conditions for actual device operation. Note 3: Unless otherwise specified, min/max limits apply across the -55°C to +125°C temperature range for the DS1691A DS1691A and across the 0°C to +70°C range for the DS3691 DS3691. All typicals are given for VCC = 5V and TA = 25°C. VCC and VEE as listed in operating conditions. Note 4: All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to ground unless otherwise specified. Note 5: Only one output at a time should be shorted. Note 6: Symbols and definitions correspond to EIA RS-422 RS-422 and/or RS-423 RS-423 where applicable. Note 7: At -55°C, the output voltage is +3.9V minimum and -3.9V minimum. AC Electrical Characteristics (Note 6) TA = 25°C Symbol Parameter Conditions RS-423 RS-423 CONNECTION, VCC = 5V, VEE -5V, MODE SELECT = 2.4V tr Rise Time RL = 450, CL = 500 pF, CC = 0 (Figure 2 ) tf Fall Time RL = 450, CL = 500 pF, CC = 0 (Figure 2 ) tr Rise Time RL = 450, CL = 500 pF CC = 50 pF (Figure 3 ) tf Fall Time RL = 450, CL = 500 pF CC = 50 pF (Figure 3 ) http:\\www.national.com PrintDate=1997/03/28 PrintTime=10:15:29 6939 ds005783 Rev. No. 1 Min Typ Max Units 120 300 ns 120 300 ns 3.0 µs 3.0 µs 4 Proof 4 AC Electrical Characteristics (Note 6) (Continued) TA = 25°C Symbol Parameter Conditions RS-423 RS-423 CONNECTION, VCC = 5V, VEE -5V, MODE SELECT = 2.4V trc Rise Time Coefficient RL = 450, CL = 500 pF, CC = 50 pF (Figure 3 ) tPDH Output Propagation Delay RL = 450, CL = 500 pF, CC = 0 (Figure 2 ) tPDL Output Propagation Delay RL = 450, CL = 500 pF, CC = 0 (Figure 2 ) Min Typ Max 0.06 Units µs/pF 180 300 ns 180 300 ns AC Test Circuits and Switching Time Waveforms DS005783-4 DS005783-4 DS005783-3 DS005783-3 FIGURE 1. Differential Connection DS005783-5 DS005783-5 DS005783-6 DS005783-6 FIGURE 2. RS-423 RS-423 Connection 5 PrintDate=1997/03/28 PrintTime=10:15:30 6939 ds005783 Rev. No. 1 http:\\www.national.com Proof 5 AC Test Circuits and Switching Time Waveforms (Continued) DS005783-7 DS005783-7 DS005783-8 DS005783-8 FIGURE 3. Rise Time Control for RS-423 RS-423 DS005783-10 DS005783-10 DS005783-9 DS005783-9 FIGURE 4. TRI-STATE Delays Switching Waveforms DS005783-11 DS005783-11 FIGURE 5. Typical Output Voltage http:\\www.national.com PrintDate=1997/03/28 PrintTime=10:15:31 6939 ds005783 Rev. No. 1 6 Proof 6 Typical Application Information Fully Loaded RS-422 RS-422 Interface DS005783-13 DS005783-13 RS-422 RS-422 Point to Point Application DS005783-14 DS005783-14 Fully Loaded RS-423 RS-423 Interface DS005783-15 DS005783-15 Differential Application with Rise Time Control DS005783-16 DS005783-16 *Note: Controlled edge allows longer stub lengths. Multiple Drivers are NOT allowed. 7 PrintDate=1997/03/28 PrintTime=10:15:32 6939 ds005783 Rev. No. 1 http:\\www.national.com Proof 7 Typical Application Information (Continued) Dual RS-423 RS-423 Inverting Driver DS005783-17 DS005783-17 Typical Rise Time Control Characteristics (RS-423 RS-423 Mode) Book Extract End Rise Time vs External Capacitor DS005783-12 DS005783-12 http:\\www.national.com PrintDate=1997/03/28 PrintTime=10:15:32 6939 ds005783 Rev. No. 1 8 Proof 8 THIS PAGE IS IGNORED IN THE DATABOOK 9 PrintDate=1997/03/28 PrintTime=10:15:32 6939 ds005783 Rev. No. 1 Proof 9 Physical Dimensions inches (millimeters) Ceramic Dual-In-Line Package (J) Order Number DS1691AJ DS1691AJ or DS3691J DS3691J NS Package Number J16A SO Package (M) Order Number DS3691M DS3691M NS Package Number M16A http:\\www.national.com PrintDate=1997/03/28 PrintTime=10:15:33 6939 ds005783 Rev. No. 1 10 Proof 10 Physical Dimensions inches (millimeters) (Continued) Molded Dual-In-Line Package (N) Order Number DS3691N DS3691N NS Package Number N16A Plastic Chip Carrier (V) Order Number DS3691V DS3691V NS Package Number V20A 11 PrintDate=1997/03/28 PrintTime=10:15:33 6939 ds005783 Rev. No. 1 http:\\www.national.com Proof 11 11 DS1691A/DS3691 DS1691A/DS3691 (RS-422/RS-423 RS-422/RS-423) Line Drivers with TRI-STATE Outputs LIFE SUPPORT POLICY NATIONAL'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 2. A critical component in any component of a life support 1. Life support devices or systems are devices or sysdevice or system whose failure to perform can be reatems which, (a) are intended for surgical implant into sonably expected to cause the failure of the life support the body, or (b) support or sustain life, and whose faildevice or system, or to affect its safety or effectiveness. ure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. National Semiconductor Corporation 1111 West Bardin Road Arlington, TX 76017 Tel: 1(800) 272-9959 Fax: 1(800) 737-7018 http:\\www.national.com National Semiconductor Europe Fax: (+49) 0-180-530 85 86 Email: cnjwge@tevm2.nsc.com Deutsch Tel: (+49) 0-180-530 85 85 English Tel: (+49) 0-180-532 78 32 Français Tel: (+49) 0-180-532 93 58 Italiano Tel: (+49) 0-180-534 16 80 National Semiconductor Hong Kong Ltd. 13th Floor, Straight Block, Ocean Centre, 5 Canton Rd. Tsimshatsui, Kowloon Hong Kong Tel: (852) 2737-1600 Fax: (852) 2736-9960 National Semiconductor Japan Ltd. Tel: 81-043-299-2308 Fax: 81-043-299-2408 National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. PrintDate=1997/03/28 PrintTime=10:15:34 6939 ds005783 Rev. No. 1 Proof 12