Interface InfoCard 11 Multiprotocol Interface Solutions Supports RS232, RS449, EIA530, EIA530-A, V.35, V.36, X.21 Protocols Single 5V Supply Integrated Switched Termination Flow-Through Pinout NET1, NET2 and TBR2 Compliant CHIPSET CLOCK AND DATA SIGNALS CONTROL SIGNALS TEST SIGNALS LL RL TM 2 D1 TERMINATION LTC1546 T 14 PACKAGE 24 D2 SSOP28 T 11 DTE TXD A DCE RXD A TXD B RXD B SCTE A RXC A SCTE B RXC B TXC A TXC A LTC1545 SSOP36 D3 T CLOCK AND DATA LTC1546 15 R1 12 SSOP28 17 LTC1544 R2 SSOP28 T 9 3 LTC1543 R3 T 16 SSOP28 7 LTC1545 LTC1344A LTC1543 LTC1544 LTC1344A SSOP36 1 TXC B SCTE A RXC B SCTE B RXD A TXD A RXD B TXD B SG SHIELD SSOP24 DB-25 CONNECTOR SSOP28 4 D1 19 SSOP28 20 D2 SSOP24 CONTROL 23 RTS A CTS A RTS B CTS B DTR A DSR A DTR B DSR B DCD A DCD A D3 8 LTC1343 R1 SSOP44 10 6 R2 LTC1343 22 SSOP44 5 R3 LTC1344 TXC B RXC A 13 DCD B DCD B DSR A DTR A DSR B DTR B CTS A RTS A CTS B RTS B LL RI RI LL TM RL RL TM SSOP24 18 D4 R4 TEST 25 R5 21 D5 50 T = 100 OR OR OPEN 50 , LTC and LT are registered trademarks of Linear Technology Corporation. 125 Rev H 0100 Linear Technology Corporation * 1630 McCarthy Blvd. * Milpitas, CA 95035-7417 * (408) 432-1900 * www.linear-tech.com * Literature Only: 1-800-4-LINEAR Interface InfoCard 11 INTERFACE Configurable Interface Multiprotocol: RS232, EIA-530, EIA-530A, RS449, V.35, V.36 or X.21 LTC1343 Multiprotocol 4Dx/4Rx Transceiver LTC1344 Software-Selectable Multiprotocol Cable Terminator LTC1344A Software-Selectable Multiprotocol Cable Terminator LTC1543 Multiprotocol 3Dx/3Rx Transceiver for DATA/CLK, Single 5V Supply with Internal Charge Pump LTC1544 Multiprotocol 4Dx/4Rx Transceiver for Control Signals, Single 5V Supply LTC1545 Multiprotocol 5Dx/5Rx Transceiver, Single 5V Supply, Includes RL and TM Signals LTC1546 Multiprotocol 3Dx/3Rx Transceiver for Data/Clock, NEW! Includes Integrated Termination Complete, Low Cost Systems May be Configured Using the Best Combination of the Above Circuits. Programmable EIA/TIA562, RS232 or RS485 5V Powered LTC1334 (4Dx/Rx RS232, 2Dx/Rx RS485) LTC1387 (2 RS232 Dx/Rx, 1 RS485 Dx/Rx) LocalTalk/GEO Port 5V Powered LTC1322, LTC1335 (4Dx/Rx RS562, 2Dx/Rx RS485) LTC1321 (2Dx/Rx RS562 or RS232, 2Dx/Rx RS485) Complete LocalTalk(R) Port LTC1318 (5V DCE Combination RS422, RS562) LTC1320 (DTE Combination RS422, RS562) LTC1323 (5V DTE Combination RS422, RS562) LTC1323-16 (5V Combination RS422, RS562) LTC1324 (5V DTE or DTE Differential Line Transceiver) SCSI Active Terminators LT1118-2.85 (For use with active negation line drivers) LT1117-2.85 (For use with open collector line drivers) SMBus LTC1694/LTC1694-1 SMBus Accelerator, SOT-23 LTC1623 Dual, FET Switch Drivers with SMBus Control LTC1663 10-Bit VOUT DAC in SOT-23 LTC1710 Dual High Side Switch with SMBus Control LT1786F SMBus Programmable CCFL Switching Regulator LTC1427-50 SMBus Interface Current Output DAC, SO-8 Infrared Data Receiver LT1319 General Purpose (Sharp, Newton, TV Remote) LT1328 IrDA(R) Compatible (SIR, FIR, 4ppm) LocalTalk is a registered trademark of Apple Computer, Inc. IrDA is a registered trademark of Infrared Data Association. 2 Interface InfoCard 11 STANDARD INTERFACE Low Power RS485 Devices RS485/RS422 LTC485 (1Dx, 1Rx) Low Power Transceiver LTC486 (4Dx) Low Power LTC487 (4Dx) Low Power LTC488 (4Rx) Low Power LTC489 (4Rx) Low Power LTC490 (1Dx, 1Rx) Low Power Full-Duplex LTC491 (1Dx, 1Rx) Low Power Full-Duplex LTC1481 (1Dx, 1Rx) Low Power w/S/D LTC1483 (1Dx, 1Rx) Low EMI Low Pwr w/S/D LTC1485 (1Dx, 1Rx) Low Power 10Mbps LTC1487 (1Dx, 1Rx) 256 Nodes Low Pwr w/S/D 3.3V Powered LTC1480 (1Dx, 1Rx) 3.3V Powered High Speed 15kV ESD Protected 50Mbps Differential LTC1518 Quad RS485 Receiver (LTC488 Pinout) LTC1519 Quad RS485 Receiver (LTC489 Pinout) LTC1520 Quad Receiver (100mV Input Levels) LTC1685 RS485 Transceiver (LTC485 Pinout) LTC1686 RS485 Full Duplex Transceiver (LTC490 Pinout) LTC1687 RS485 Full Duplex Transceiver (LTC491 Pinout) LTC1482 (1Dx, 1Rx) Failsafe and Carrier Detect LTC1484 (1Dx, 1Rx) Failsafe (LTC485 Pinout) LTC1690 (1Dx, 1Rx) Failsafe (LTC490 Full-Duplex Pinout) LT1785 (1Dx, 1Rx) 60V Protection, Failsafe, Low EMI (LTC485 Pinout) LT1791 (1Dx, 1Rx) 60V Protection, Failsafe, Low EMI (LTC491 Pinout) 100Mbps Differential 60V Overvoltage Protected LTC1688 100Mbps Quad RS485 Driver LTC1689 100Mbps Quad RS485 Driver LT1785 (1Dx, 1Rx) Failsafe, Low EMI (LTC485 Pinout) LT1791 (1Dx, 1Rx) Failsafe, Low EMI (LTC491 Pinout) Isolated V.35 LTC1535 Isolated RS485 Transceiver LTC1345 (3Dx, 3Rx) DTE or DCE Selectable, 5V LTC1346A (3Dx, 3Rx) DTE or DCE Selectable, 5V RS423 Shutdown/3 State RS423 Outputs LT1032 Quad Driver 5V/12V Powered Continued 3 NEW! Interface InfoCard 11 STANDARD INTERFACE RS232/562 PC Serial Ports 3 Drivers, 5 Receivers 3V Supply 5V Supply LT1331 LT1332 LTC1348 LTC1327 LTC1350 1 Rec'r Active in Shutdown, EIA562 Compatible 1 Rec'r Active in Shutdown, 3V Logic, 12V Supply 5 Receivers Active in Shutdown, 3V Logic 3V Logic, EIA562 2 Receivers Active in Shutdown, 3V Logic, EIA562 LT1137A LT1141A LT1237 LT1330 LT1331 LTC1337 LT1341 LT1342 LTC1347 LTC1349 LT1537 3-State Outputs, 15kV 3-State Outputs, 15kV 1 Receiver Active in Shutdown, 15kV 1 Receiver Active in Shutdown, Also 3V Logic 1 Receiver Active in Shutdown, 3V or 5V Logic 3-State Outputs 1 Receiver Active in Shutdown 3V Logic, 3V Supply 5 Receivers Active in Shutdown 2 Receivers Active in Shutdown 5 Active in Shutdown, 3-State Outputs, 250kBaud Single Supply 2 Drivers/2 Receivers 3V Supply 5V Supply Receivers Active in Shutdown, Charge Pump Included, 10kV/15kV ESD Protection Charge Pump Included, 3-State Outputs When Shutdown, 10kV/15kV ESD, Immune to Latch-Up LTC1385 LTC1386 3V Logic, EIA562, 3-State, Shutdown 3V Logic, EIA562 LT1180A LT1181A LT1280A LT1281A LT1381 LTC1382 LTC1383 LTC1384 LT1780 LT1781 3-State, Shutdown Very Low Power, 3-State, Shutdown Very Low Power Narrow SO Pkg Ultra-Low Power, 3-State, Shutdown Ultra-Low Power 2 Active in Shutdown, Rx Enable, 3-State, Shutdown 250kBaud, 3-State, Shutdown, 15kV 250kBaud, 15kV NEW! Other Driver/Receiver Combinations 10kV/15kV ESD LT1130A LT1131A LT1132A LT1133A LT1134A LT1136A LT1138A LT1139A LTC1338 (5Dx, 5Rx) Synchronous Communications (5Dx, 4Rx) Modem/DCE Interface, 3-State, Shutdown (5Dx, 3Rx) Modem/DCE Interface (3Dx, 5Rx) PC/DTE Interface, 15kV (4Dx, 4Rx) 5V 1488/1489 Upgrade (4Dx, 5Rx, PC/DTE Interface, 3-State, Shutdown (5Dx, 3Rx) Modem/DCE Interface, 3-State, Shutdown (4Dx, 4Rx) 1488/89 Upgrade, 12V Req'd, 3-State, Shutdown (5Dx, 3Rx) Ultra Low Power, 3-State, Shutdown (No Charge Pump) LT1039-16 LT1039A LT1135A LT1140A (3Dx, 3Rx) MC145406 Upgrade (3Dx, 3Rx) 3-State, Shutdown, 15kV (5Dx, 3Rx) Modem/DCE Interface (5Dx, 3Rx) Modem/DCE Interface, 3-State, Shutdown 12V Supplies LT1030 LT1032 (4Dx) 1488 Upgrade, 3-State, Shutdown (4Dx) 1488 Upgrade, RS423, 3-State, Shutdown 5V Supply (With Charge Pump) 5V, 12V Supplies 4 Interface InfoCard 11 Complete RS232 PC Serial Ports: 3 Drivers, 5 Receivers 15kV ESD Protection (LT1137A/LT1237) 10kV ESD Protection (All Others) 3V Logic Compatible Receiver Keep-Alive in Shutdown SO, SSOP Packages Ultralow Power (LTC1337: 1.5mW) TYP IQ # Rx Dx SUPPLY ADD'L POWER SHDN ALIVE DIS- ESD LOGIC VOLTAGE SUPPLY (mW) (A) IN SD ABLE (kV) 3V 3V 1.5 1 0 10 Flowthrough Architecture 0.1F Capacitors Low Power Shutdown 120kBd Operation Capable of Mouse Driving 3.3V or 5V Powered CAPS 4 x 0.1F OUTPUT LEVEL DEVICE 3V 1.5 0.2 10 0 5 10 5 x 0.1F RS232 LTC1348 3V 3V 1.5 35 2 10 4 x 0.1F RS562 LTC1350 3V 3V 1.5 70 1 10 1 x 10F 1 x 1.0F RS232 3V 5V 3V 3V 3V 5V 3V 5V 5V 5V 5V 5V 5V 5V 3V 30 60 1 X 10 1 x 1.0F 5 x 0.1F 5V/3V VCC LT1330 3V 60 60 1 1 X X 10 10 6 x 0.1F RS562* LT1331 6 x 0.1F RS232 3V 60 1 0 X 10 6 x 0.1F RS232 1.5 1 0 10 4 x 0.1F RS232 LTC1337 1.5 35 2 10 4 x 0.1F RS232 LTC1349 5V 1.5 80 5 10 4 x 0.1F RS232 LTC1347 5V 30 60 1 15 1 x 1.0F 5 x 0.1F RS232 5V 60 1 0 X 15 6 x 0.1F RS232 LT1137A 5V 5V 60 60 1 X 10 6 x 0.1F RS232 V- 27 C2 - 26 25 5 24 6 23 7 22 8 21 9 20 10 19 11 18 12 17 13 16 14 15 RX IN RX IN RX IN DRIVER OUT RX IN ON/OFF = 5V 3V VL (SEE CHART) * REMAINS ALIVE IN SHUTDOWN DEPENDING ON PART TYPE LT1237 5V 28 4 RX IN LT1342 CHARGE PUMP C1- DRIVER OUT TO LINE 2 3 DRIVER OUT RS232 1 + C1 LT1332 42 34 X V+ RS562 LTC1327 3V +12V Typical Pin Configuration C2+ DRIVER IN RX OUT DRIVER IN TO LOGIC RX OUT RX OUT RX OUT DRIVER IN RX OUT* GND DRIVER DISABLE IC11 EXCEPT LT1332 AND LTC1348 LT1341 Note: Devices requiring 6 x 0.1F capacitors can use 2 x 0.2F and 2 x 0.1F capacitors. *562-compatible Single Supply RS232 2 Driver/2 Receiver Circuits 15kV ESD Protection (LT1780/LT1781) 10kV ESD Protection (All Others) 0.1F Charge Pump Capacitors + Immune to Latch-Up Low Power Shutdown 3-State Outputs When Shut Down 0.1F SUPPLY VOLTAGE TYP POWER (mW) IQ SHDN (A) # Rx ALIVE IN SD MAX DATA RATE ESD (kV) OUTPUT LEVEL PACKAGE DEVICE 3V 0.66 0.2 0 120k 10 RS562 N18, SW18 LTC1385 3V 0.66 120k 10 RS562 N16, SW16 LTC1386 5V 1.1 0.2 0 120k 10 RS232 N18, SW18 LTC1382 5V 1.1 120k 10 RS232 N16, S16 LTC1383 5V 1.1 35 2 120k 10 RS232 N18, SW18 LTC1384 5V 40 250k 10 RS232 S16 LT1381 5V 40 10 RS232 N18, SW18 LT1280A 5V 40 5V 45 5V 45 + 1.0 0 250k 250k 10 RS232 N16, SW16 LT1281A 1.0 0 250k 10 RS232 N18, SW18 LT1180A 250k 10 RS232 N16, SW16 LT1181A 5V 40 1.0 0 250k 15 RS232 N18, SW18 LT1780 5V 40 1.0 0 250k 15 RS232 N16, S16, SW16 LT1781 + ON/OFF 5V/3V VCC + 0.1F 18-Pin Configuration + 5 0.1F 0.1F 0.1F + 0.1F 0.1F + 5V VCC + 0.1F 16-Pin Configuration Interface InfoCard 11 Dual Protocol Interface Solutions 120kBd in EIA/TIA562 or RS232 10MBd in RS485/RS422 Power-Up/Down Glitch-Free Outputs Driver Maintains High Impedance in Three-State, Shutdown or With Power Off Thermal Shutdown Protection I/O Lines Can Withstand 25V Withstands Repeated 10kV ESD Pulses SINGLE-ENDED STD Tx 562 2 562 2 562 2 232 2 DIFFERENTIAL STD Tx Rx 422 1 1 422 1 0 Rx 1 2 2 2 422/485 2 2 422/485 2 2 MODE Mode = 0 Mode = 1 SEL = 0 SEL = 0 SEL = 1 SEL = 0 SEL = 0 SEL = 1 SEL = 0 SEL = 1 422/485 2 2 SEL = 0 SEL = 1 422/485 1 1 422/485 562 232 4 4 4 4 232 4 4 562 232 4 2 2 4 2 2 SUPPLY VOLTAGE 5V COMMENTS LocalTalk DCE, Configurable Rec. PKG SW24 DEVICE LTC1318 5V 5V, 6.5V 5V 5V 5V, 6.5V 5V 5V User Configurable Includes Loopback Mode NW24 SW24 LTC1321 User Configurable Includes Loopback Mode NW24 SW24 LTC1322 User Configurable Includes Loopback Mode NW28 SW28 SSOP28 LTC1334 5V User Configurable Common Output Enable, Loopback NW24 SW24 LTC1335 5V Multiprotocol Transceiver SSOP20 SW20 LTC1387 RS485/RS422 Interface CONFIGURATION VCC MAX DATA RATE MAX ICC Full Duplex Dr./Rec. 5V 2.5M 500A 75179 Full Duplex Dr./Rec. 5V 2.5M 500A 75ALS180 Full Duplex Dr./Rec. 5V 350k 13mA N/A 8kV Full Duplex Dr./Rec. 5V 52M 7mA 75179 4kV Precision Delay RS485 Fail-Safe Transceiver (LTC490 Pinout) LTC1686 Full Duplex Dr./Rec. 5V 52M 7mA 75ALS180 4kV Precision Delay RS485 Fail-Safe Transceiver (LTC491 Pinout) LTC1687 LTC1690 Full Duplex Dr./Rec. 5V 5M 600A Full Duplex Dr./Rec. 5V 250k 9mA Quad Driver 5V 10M MAX ICC (SD) INDUSTRY STANDARD PINOUT COMMENTS PART NUMBER 10kV Instustry Standard Low Power LTC490 10kV Industry Standard, Low Power LTC491 Isolated RS485 LTC1535 ESD 75179 15kV Differential Driver Receiver Pair with Fail Safe Receiver Output 75ALS180 15kV 60V Fault Protected RS485/422 Transceivers (LTC491 Pinout) LT1791 150A 75172 4kV 26LS31 (RS422) Industry Standard, Low Power LTC486 0.3mA Quad Driver 5V 10M 150A 75174 4kV 3487 (RS422) Industry Standard, Low Power LTC487 Quad Driver 5V/3V 100M 9mA 75172 4kV 100Mbps RS485 Quad Driver LTC1688 Quad Driver 5V/3V 100M 9mA 75174 4kV 100Mbps RS485 Quad Driver LTC1689 Quad Receiver 5V 10M 10mA 75173 10kV 26LS32 (RS422), Industry Standard, Low Power LTC488 Quad Receiver 5V 10M 10mA 75175 10kV 3486 (RS422), Industry Standard, Low Power LTC489 Quad Receiver 5V 52M 12mA 75173 4kV High Speed, Precision Delay Quad Line Drivers LTC1518 LTC1519 Quad Receiver 5V 52M 12mA 75175 4kV High Speed, Precision Delay Quad Line Drivers Transceiver 5V 2.5M 500A 75176 4kV Industry Standard, Low Power LTC485 Transceiver 3V 2.5M 500A 1A 75176 10kV True RS485 on 3V Supply LTC1480 Transceiver 5V 2.5M 500A 10A 75176 10kV Shutdown LTC1481 Transceiver 5V 4M 700A 20A N/A 15kV Low Power Transceiver with Receiver Fail Safe and Carrier Detect LTC1482 Transceiver 5V 150k 500A 10A 75176 10kV Low EMI, Shutdown LTC1483 Transceiver 5V 4M 900A 20A 75176 15kV Low Power Transceiver with Receiver Fail Safe LTC1484 Transceiver 5V 10M 3.5mA 75176 4kV High Speed LTC1485 Transceiver 5V 250k 200uA 75176 10kV High Input Impedance LTC1487 Transceiver 5V 52M 7mA 75176 4kV Precision Delay RS485 Fail-Safe Transceiver LTC1685 Transceiver 5V 250k 9mA 75176 15kV 60V Fault Protected RS485/422 Transceivers (LTC485 Pinout) LT1785 VCC RS485 I/O LOGIC I/O AND ENABLES VCC 10A 0.3mA VCC Transceiver LOGIC I/O VCC VCC RS485 I/O Full-Duplex 1 Dx, 1 Rx VCC VCC VCC LOGIC I/O AND ENABLES RS485 I/O 2 Quad Enable 4 Dx Paired Enable 4 Dx Quad Enable 4 Rx Paired Enable 4 Rx Full-Duplex 1 Dx, 1 Rx Linear Technology Corporation * 1630 McCarthy Blvd. * Milpitas, CA 95035-7417 * (408) 432-1900 * www.linear-tech.com * Literature Only: 1-800-4-LINEAR ic11h (c)1992 LT/TP 0100 4K