74VHC541 datasheet(1/8 Pages) STMICROELECTRONICS

Il numero della parte	74VHC541

Spiegazioni elettronici	OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

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74VHC541

OCTAL BUS BUFFER

WITH 3 STATE OUTPUTS (NON INVERTED)

®

June 1999

s

HIGH SPEED: tPD = 3.6 ns (TYP.) at VCC =5V

s

LOW POWER DISSIPATION:

ICC =4

µA (MAX.) at TA =25 oC

s

HIGH NOISE IMMUNITY:

VNIH =VNIL =28% VCC (MIN.)

s

POWER DOWN PROTECTION ON INPUTS

s

SYMMETRICAL OUTPUT IMPEDANCE:

|IOH|=IOL = 8 mA (MIN)

s

BALANCED PROPAGATION DELAYS:

tPLH

≅ tPHL

s

OPERATING VOLTAGE RANGE:

VCC (OPR) = 2V to 5.5V

s

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 541

s

IMPROVED LATCH-UP IMMUNITY

s

LOW NOISE: VOLP = 0.9V (Max.)

DESCRIPTION

The VHC541 is an advanced high speed CMOS

OCTAL BUS BUFFER (3-STATE) fabricated with

sub-micron silicon gate and double-layer metal

wiring C

2MOS technology.

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.

Power down protection is provided on all inputs

and 0 to 7V can be accepted on inputs with no

regard to the supply voltage. This device can be

used to interface 5V to 3V.

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 :

74VHC541M

74VHC541T

M

(Micro Package)

T

(TSSOP Package)

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