UNISONIC TECHNOLOGIES CO., LTD

U74HC540

CMOS IC

www.unisonic.com.tw

1 of 5

Copyright © 2007 Unisonic Technologies Co., Ltd

QW-R126-004.A

OCTAL BUFFERS AND LINE

DRIVERS WITH 3-STATE

OUTPUTS

DESCRIPTION

The U74HC540 combines with octal buffers and line drivers with

inverting 3-tate outputs. The 3-state output is controlled by output

enable inputs

1

OE

and

2

high-impedance when either of the 2 inputs is applied with high

voltage.

FEATURES

* Operation voltage range: 2V ~ 6V

* High-current 3-state outputs for bus driver

* Inverting outputs

TSSOP-20

*Pb-free plating product number:

U74HC540L

ORDERING INFORMATION

Ordering Number

Normal

Lead Free Plating

Package

Packing

U74HC540-P20-R

U74HC540L-P20-R

TSSOP-20

Tape Reel

U74HC540-P20-T

U74HC540L-P20-T

TSSOP-20

Tube

U74HC540L-P20-R

(1)Packing Type

(2)Package Type

(3)Lead Plating

(1) R: Tape Reel, T: Tube

(2) P20: TSSOP-20

(3) L: Lead Free Plating, Blank: Pb/Sn