SN54AHC138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 range 2V to 5.5V VCC

? Low delay, 10.5ns (VCC = 5V, CL = 50pF

? Latch-up performance exceeds 250mA

per JESD 17

2 Applications

? Memory device selection with shared data bus

? Reduce required number of outputs for chip select

applications

? Route data

3 Description

The SN74AHC138-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 outputs are

gated by any of the strobe inputs, they are all forced

into the high state. When the outputs are not disabled

by the strobe inputs, only the selected output is low

while all others are high.