uA9639C Datasheet | Texas Instruments

description The u A9639C is a dual differential line receiver designed to meet ANSI Standards EIA/TIA-422-B and EIA/TIA-423-B and ITU Remendations V.10 and V.11. It utilizes Schottky circuitry and has TTL-patible outputs. The inputs are patible with either a single-ended or a differential-line system. This device operates from a single 5-V power supply and is supplied in an 8-pin, dual-in-line package. The u A9639C is characterized for operation from 0°C to 70°C. logic symbol† 8 1IN + 7 1IN - 6 2IN + 5 2IN - 2 1OUT 3 2OUT logic diagram 1IN + 8 7 1IN - 6 2IN + 5 2IN - 2 1OUT 3 2OUT † This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. 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. 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 © 1997, Texas Instruments Incorporated 1 u A9639C DUAL DIFFERENTIAL LINE RECEIVER SLLS113C - OCTOBER 1986 - REVISED MARCH 1997 schematics of inputs and outputs EQUIVALENT OF EACH INPUT VCC Input 8 kΩ Current Source TYPICAL OF ALL OUTPUTS VCC 50 Ω NOM Output absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC (see Note 1) - - - - - - - - - . - 0.5 V to 7 V Input voltage, VI - - -...