SN75LBC187 Datasheet | Texas Instruments

description The SN75LBC187 is a low-power Lin Bi CMOS™ device containing three drivers, five receivers, and a switched-capacitor voltage converter. The SN75LBC187 provides a single chip and single 5-V supply interface between the asynchronous munications element and the serial port connector of the data terminal equipment (DTE). This device has been designed to conform to ANSI Standards EIA/TIA-232-E, EIA/TIA-562, and ITU remendation V.28. The switched-capacitor voltage converter of the SN75LBC187 uses four small external capacitors to generate the positive and negative voltages required by EIA/TIA-232-E (and V.28) line drivers from a single 5-V input. The drivers feature output slew-rate limiting to eliminate the need for external filter capacitors. The receivers can accept ± 30 V without damage. The device also features a reduced power or shutdown mode that cuts the quiescent power to the IC when not transmitting data between the CPU and peripheral. The SN75LBC187 has been designed using Lin Bi CMOS™ technology and cells contained in the Texas Instruments Lin ASIC™ library. The SN75LBC187 is characterized for operation from 0°C to 70°C. NOTE: This device includes circuit designs and process technologies that have patents pending. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. Lin Bi CMOS and Lin ASIC are a trademarks of Texas Instruments Incorporated. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. - POST OFFICE BOX 655303 DALLAS, TEXAS 75265 Copyright © 1995, Texas Instruments Incorporated 1 MULTICHANNEL EIA-232 DRIVER/RECEIVER WITH CHARGE PUMP SLLS130C -...