74HC7540D

 

 

FEATURES

 Inverting outputs

 Schmitt trigger action on all data inputs

 Output capability: bus driver

 ICC category: MSI

GENERAL DESCRIPTION

The 74HC/HCT7540 are high-speed Si-gate CMOS

devices and are pin compatible with low power Schottky

TTL (LSTTL). They are specified in compliance with

JEDEC standard no. 7A.

 

The 74HC/HCT7540 are octal Schmitt trigger inverting

buffer/line drivers with 3-state outputs. The 3-state outputs

are controlled by the output enable inputs OE1 and OE2.

A HIGH on OEn causes the outputs to assume a high

impedance OFF-state.

The Schmitt trigger action in the data inputs transforms

slowly changing input signals into sharply defined

jitter-free output signals.

The “7540” is identical to the “540” but has hysteresis on

the data inputs.

 

 

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