MC74LCX244DW datasheet(1/9 Pages) ONSEMI

Part #	MC74LCX244DW

Description	Low?뭋oltage CMOS Octal Buffer With 5 V?뭈olerant Inputs and Outputs (3?뭆tate, Non?묲nverting)

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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February, 2007 − Rev. 7

1

Publication Order Number:

MC74LCX244/D

MC74LCX244

Low−Voltage CMOS Octal

Buffer

With 5 V−Tolerant Inputs and Outputs

(3−State, Non−Inverting)

The MC74LCX244 is a high performance, non−inverting octal

buffer operating from a 2.3 to 3.6 V supply. High impedance TTL

compatible inputs significantly reduce current loading to input drivers

while TTL compatible outputs offer improved switching noise

performance. A VI specification of 5.5 V allows MC74LCX244 inputs

to be safely driven from 5 V devices. The MC74LCX244 is suitable

for memory address driving and all TTL level bus oriented transceiver

applications.

Current drive capability is 24 mA at the outputs. The Output Enable

(OE) input, when HIGH, disables the output by placing them in a

HIGH Z condition.

Features

• Designed for 2.3 to 3.6 V VCC Operation

• 5 V Tolerant − Interface Capability With 5 V TTL Logic

• Supports Live Insertion and Withdrawal

• IOFF Specification Guarantees High Impedance When VCC = 0 V

• LVTTL Compatible

• LVCMOS Compatible

• 24 mA Balanced Output Sink and Source Capability

• Near Zero Static Supply Current in All Three Logic States (10 mA)

Substantially Reduces System Power Requirements

• Latchup Performance Exceeds 500 mA

• ESD Performance:

Human Body Model >2000 V

Machine Model >200 V

• Pb−Free Packages are Available

20

1

20

MARKING

DIAGRAMS

A

= Assembly Location

L, WL

= Wafer Lot

Y, YY

= Year

W, WW = Work Week

G or

G = Pb−Free Package

SOIC−20

DW SUFFIX

CASE 751D

LCX244

AWLYYWWG

LCX

244

ALYW

G

TSSOP−20

DT SUFFIX

CASE 948E

SOEIAJ−20

M SUFFIX

CASE 967

74LCX244

AWLYWWG

1

20

1

20

See detailed ordering and shipping information in the package

dimensions section on page 3 of this data sheet.

ORDERING INFORMATION

http://onsemi.com

(Note: Microdot may be in either location)

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