74LCX541_07 datasheet(1/17 Pages) STMICROELECTRONICS

No. de pieza	74LCX541

Descripción Electrónicos	LOW VOLTAGE CMOS OCTAL BUS BUFFER (3-STATE) WITH 5V TOLERANT INPUTS AND OUTPUTS

PDF	17 Pages

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Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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1 / 17 page

January 2007

Rev 5

1/17

17

74LCX541

Low voltage CMOS octal bus buffer (3-state)

with 5V tolerant inputs and outputs

Features

■ 5V tolerant inputs and outputs

■ High speed:

–tPD = 8.0ns (Max) at VCC = 3V

■ Power down protection on inputs and outputs

■ Symmetrical output impedance:

–|IOH| = IOL = 24mA (Min) at VCC = 3V

■ PCI bus levels guaranteed at 24mA

■ Balanced propagation delays:

–tPLH ≅ tPHL

■ Operating voltage range:

–VCC (Opr) = 2.0V to 3.6V

■ Pin and function compatible with

74 series 541

■ Latch-up performance exceeds

500mA (JESD 17)

■ ESD performance:

– HBM > 2000V

(MIL STD 883 method 3015); MM > 200V

Description

The 74LCX541 is a low voltage CMOS octal bus

buffer (non-inverted) fabricated with sub-micron

silicon gate and double-layer metal wiring C2MOS

technology. It is ideal for low power and high

speed 3.3V applications; it can be interfaced to

5V signal environment for both inputs and

outputs.

The 3 STATE control gate operates as two input

AND such that if either G1 and G2 are high, all

eight outputs are in the high impedance state. In

order to enhance PC board layout the 74LCX541

offers a pinout having inputs and outputs on

opposite sides of the package.

It has same speed performance at 3.3V than 5V

AC/ACT family, combined with a lower power

consumption.

All inputs and outputs are equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

SO-20

TSSOP20

www.st.com

Order codes

Part number

Package

Packaging

74LCX541MTR

SO-20

Tape and reel

74LCX541TTR

TSSOP20

Tape and reel

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74LCX541 Datasheet(PDF) 1 Page - STMicroelectronics

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