DS75160A Datasheet | National Semiconductor

DS75160A/DS75161A IEEE-488 GPIB Transceivers May 1999 DS75160A/DS75161A IEEE-488 GPIB Transceivers General Description This family of high-speed-Schottky 8-channel bi-directional transceivers is designed to interface TTL/MOS logic to the IEEE Standard 488-1978 General Purpose Interface Bus (GPIB). PNP inputs are used at all driver inputs for minimum loading, and hysteresis is provided at all receiver inputs for added noise margin. The IEEE-488 required bus termination is provided internally with an active turn-off feature which disconnects the termination from the bus when VCC is removed. The General Purpose Interface Bus is prised of 16 signal lines - 8 for data and 8 for interface management. The data lines are always implemented with DS75160A, and the management lines are either implemented with DS75161A in a single-controller system. Features n 8-channel bi-directional non-inverting transceivers n Bi-directional control implemented with TRI-STATE ® output design n Meets IEEE Standard 488-1978 n High-speed Schottky design n Low power consumption n High impedance PNP inputs (drivers) n 500 m V (typ) input hysteresis (receivers) n On-chip bus terminators n No bus loading when VCC is removed n Pin selectable open collector mode on DS75160A driver outputs n Acmodates multi-controller systems Connection Diagrams Dual-In-Line Package Dual-In-Line Package DS005804-16 Order Number DS75161AN or DS75161AWM See NS Package Number M20B or N20B DS005804-1 Top View Order Number DS75160AN or DS75160AWM See NS Package Number M20B or N20A TRI-STATE ® is a registered trademark of National Semiconductor Corporation. © 1999 National Semiconductor Corporation DS005804 .national....