MC74LCX245DWR2 datasheet(1/8 Pages) ONSEMI

Part #	MC74LCX245DWR2

Description	Low-Voltage CMOS Octal Transceiver With 5 V?뭈olerant Inputs and Outputs (3?뭆tate, Inverting)

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Manufacturer	ONSEMI [ON Semiconductor]

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January, 2005 − Rev. 6

1

Publication Order Number:

MC74LCX245/D

MC74LCX245

Low−Voltage CMOS Octal

Transceiver

With 5 V−Tolerant Inputs and Outputs

(3−State, Inverting)

The MC74LCX245 is a high performance, non−inverting octal

transceiver 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 MC74LCX245 inputs

to be safely driven from 5 V devices. The MC74LCX245 is suitable

for memory address driving and all TTL level bus oriented transceiver

applications.

Current drive capability is 24 mA at both A and B ports. The

Transmit/Receive (T/R) input determines the direction of data flow

through the bi−directional transceiver. Transmit (active−HIGH)

enables data from A ports to B ports; Receive (active−LOW) enables

data from B to A ports. The Output Enable input, when HIGH,

disables both A and B ports by placing them in a HIGH Z condition.

Features

• Designed for 2.3 to 3.6 V V

CC Operation

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

• Supports Live Insertion and Withdrawal

• I

OFF 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*

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

20

1

20

MARKING

DIAGRAMS

A

= Assembly Location

L, WL

= Wafer Lot

Y, YY

= Year

W, WW

= Work Week

SOIC−20

DW SUFFIX

CASE 751D

LCX245

AWLYYWW

LCX

245

ALYW

TSSOP−20

DT SUFFIX

CASE 948E

SOEIAJ−20

M SUFFIX

CASE 967

74LCX245

AWLYWW

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

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