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74LCX241

Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs

Fairchild Semiconductor 

August 1998

Revised April 1999

74LCX241

Low Voltage Octal Buffer/Line Driver with

5V Tolerant Inputs and Outputs

General Description

The LCX241 is an octal buffer and line driver designed to

be employed as a memory address driver, clock driver and

bus oriented transmitter or receiver. The device is designed

for low voltage (2.5V or 3.3V) VCC applications with capa-

bility of interfacing to a 5V signal environment.

The LCX241 is fabricated with an advanced CMOS tech-

nology to achieve high speed operation while maintaining

CMOS low power dissipation.

Features

s 5V tolerant inputs and outputs

s 2.3V – 3.6V VCC specifications provided

s 6.5 ns tPD max (VCC = 3.3V), 10 µA ICC max

s Power-down high impedance inputs and outputs

s Supports live insertion/withdrawal (Note 1)

s Implements patented noise/EMI reduction circuitry

s Latch-up performance exceeds 500 mA

s ESD performance:

Human Body Model > 2000V

Machine Model > 200V

Note 1: To ensure the high-impedance state during power up or down, OE

should be tied to VCC and OE should be tied to GND through a resistor: the

minimum value or the resistor is determined by the current-sourcing capa-

bility of the driver.

Ordering Code:

Order Number Package Number

Package Description

74LCX241WM

M20B

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide

74LCX241MSA

M20D

20-Lead Small Outline Package (SOP), EIAJ Type II, 5.3mm Wide

74LCX241SJ

MSA20

20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm WIde

74LCX241MTC

MTC20

20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Connection Diagram

Pin Descriptions

Pin Names

OE1, OE2

I0–I7

O0–O7

Description

3-STATE Output Enable Inputs

Inputs

Outputs

© 1999 Fairchild Semiconductor Corporation DS012639.prf

www.fairchildsemi.com

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