SN54HCT245J中文資料德州儀器數(shù)據(jù)手冊PDF規(guī)格書

1 Features

? Operating voltage range of 4.5 V to 5.5 V

? High-Current 3-state outputs drive bus lines

directly or up to 15-LSTTL loads

? Low power consumption, 80-μA maximum ICC

? Typical tpd = 14 ns

? ±6-mA output drive at 5 V

? Low input current of 1 μA maximum

? Inputs are TTL-voltage compatible

2 Applications

? Factory Automation and Control

? Grid Infrastructure

? Electronic Point of Sale

? Multi-Function Printers

? Motor Drives

? Storage

? Telecom Infrastructure

3 Description

The SNx4HCT245 octal bus transceivers

are designed for asynchronous two-way

communication between data buses. The controlfunction

implementation minimizes external timing

requirements.

The SNx4HCT245 devices allow data transmission

from the A bus to the B bus or from the B bus to the

A bus, depending upon the logic level at the directioncontrol

(DIR) input. The output-enable ( OE) input can

be used to disable the device so that the buses are

effectively isolated.