74ACT541B datasheet(1/8 Pages) STMICROELECTRONICS

Teilenummer	74ACT541B

Bauteilbeschribung	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

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74ACT541

OCTAL BUS BUFFER

WITH 3 STATE OUTPUTS (NON INVERTED)

®

December 1998

s

HIGH SPEED: tPD = 4 ns (TYP.) at VCC =5V

s

LOW POWER DISSIPATION:

ICC =8

µA (MAX.) at TA =25 oC

s

COMPATIBLE WITH TTL OUTPUTS

VIH =2V (MIN), VIL = 0.8V (MAX)

s

50

Ω TRANSMISSION LINE DRIVING

CAPABILITY

s

SYMMETRICAL OUTPUT IMPEDANCE:

|IOH|=IOL = 24 mA (MIN)

s

BALANCED PROPAGATION DELAYS:

tPLH

≅ tPHL

s

OPERATING VOLTAGE RANGE:

VCC (OPR) = 4.5V to 5.5V

s

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 541

s

IMPROVED LATCH-UP IMMUNITY

DESCRIPTION

The ACT541 is an advanced CMOS OCTAL BUS

BUFFER (3-STATE) fabricated with sub-micron

silicon gate and double-layer metal wiring C

2MOS

technology.It is ideal for low power applications

mantaining high speed operation similar to

eqivalent Bipolar Schottky TTL.

The 3 STATE control gate operates as a 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 AC541

offers a pinout having inputs and outputs on

opposite sides of the package.

The device is designed to interface directly High

Speed CMOS systems with TTL, NMOS and

CMOS output voltage levels.

All inputs

and

outputs are

equipped with

protection circuits against static discharge, giving

them 2KV ESD immunity and transient excess

voltage.

PIN CONNECTION AND IEC LOGIC SYMBOLS

ORDER CODES :

74ACT541B

74ACT541M

M

(Micro Package)

B

(Plastic Package)

1/8

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