器件名称: 74ALVCH16543
功能描述: 16-bit D-type registered transceiver; 3-state
文件大小: 89.86KB 共20页
简 介:INTEGRATED CIRCUITS
DATA SHEET
74ALVCH16543 16-bit D-type registered transceiver; 3-state
Product specication Supersedes data of 1998 Aug 31 File under Integrated Circuits, IC24 1999 Nov 23
Philips Semiconductors
Product specication
16-bit D-type registered transceiver; 3-state
FEATURES In accordance with JEDEC standard no 8-1A CMOS low power consumption Direct interface with TTL levels MULTIBYTE flow-through pin-out architecture 16-bit transceiver with D-type latch Combines 16245 and 16373 type functions in one chip Back-to-back registers for storage Output drive capability 50 transmission lines at 85 °C Separate controls for data flow in each direction All data inputs have bus hold 3-state non-inverting outputs for bus oriented applications Current drive ±24 mA at 3.0 V. DESCRIPTION The 74ALVCH16543 is a dual octal registered transceiver. Each section contains two sets of D-type latches for temporary storage of the data flow in either direction. FUNCTION TABLE See note 1. INPUTS OUTPUTS nOEXX H X L L L L L L L Note 1. XX = AB for A-to-B direction, BA for B-to-A direction; H = HIGH voltage level; L = LOW voltage level; nEXX X H ↑ ↑ L L L L L nLEXX X X L L ↑ ↑ L L H nBn, nAn X X h l h l H L X Z Z Z Z H L H L NC
74ALVCH16543
Separate latch enable (nLEAB, nLEBA) and output enable (nOEAB, nOEBA) inputs are provided for each register to permit independent control in either direction of the data flow. The ‘16543’ contains two sections each consisting of two se……
