MC74LCX16245 datasheet(1/8 Pages) ONSEMI

Part #	MC74LCX16245

Description	Low?뭋oltage CMOS 16?묪it Transceiver With 5 V?뭈olerant Inputs and Outputs (3?뭆tate, Non?묲nverting)

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Manufacturer	ONSEMI [ON Semiconductor]

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August, 2005 − Rev. 7

1

Publication Order Number:

MC74LCX16245/D

MC74LCX16245

Low−Voltage CMOS

16−Bit Transceiver

With 5 V−Tolerant Inputs and Outputs

(3−State, Non−Inverting)

The MC74LCX16245 is a high performance, non−inverting 16−bit

transceiver operating from a 2.3 to 3.6 V supply. The device is byte

controlled. Each byte has separate Output Enable inputs which can be

tied together for full 16−bit operation. 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 MC74LCX16245

inputs to be safely driven from 5.0 V devices. The MC74LCX16245 is

suitable for memory address driving and all TTL level bus oriented

transceiver applications.

The 4.5 ns maximum propagation delays support high performance

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

The Transmit/Receive (T/Rn) inputs determine the direction of data

flow through the bidirectional 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 inputs (OEn), when HIGH,

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

Features

• Designed for 2.3 to 3.6 V VCC Operation

• 4.5 ns Maximum tpd

• 5.0 V Tolerant − Interface Capability With 5.0 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 (20 mA)

Substantially Reduces System Power Requirements

• Latchup Performance Exceeds 500 mA

• ESD Performance: Human Body Model >2000 V;

Machine Model >200 V

• These are Pb−Free Devices*

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

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

MARKING DIAGRAM

TSSOP−48

DT SUFFIX

CASE 1201

1

48

A

= Assembly Location

WL

= Wafer Lot

YY

= Year

WW

= Work Week

G

= Pb−Free Package

1

48

LCX16245G

AWLYYWW

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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