SN74ACT238中文資料德州儀器數(shù)據(jù)手冊PDF規(guī)格書

1 Features

? AEC-Q100 qualified for automotive applications:

– Device temperature grade 1: -40°C to +125°C

– Device HBM ESD classification level 2

– Device CDM ESD classification level C4B

? Available in wettable flank QFN package

? Operating voltage range of 4.5V to 5.5V

? TTL-compatible inputs

? Continuous ±24mA output drive at 5V

? Supports up to ±75mA output drive at 5V

in short bursts

? Drives 50Ω transmission lines

? Fast operation with delay of 10.9ns max

2 Applications

? Memory device selection with shared data bus

? Reduce required number of outputs for chip select

applications

? Route data

3 Description

The SN74ACT238-Q1 is a three to eight decoder with

one standard output strobe (G2) and two active low

output strobes (G 1 and G 0). When the channel

strobe inputs are all active, only the selected output

is high while all others are low. When any strobe input

is inactive, the outputs are all forced into the low state.