74VHCT541AM データシートの表示（PDF） - STMicroelectronics

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74VHCT541AM

OCTAL BUS BUFFER WITH 3 STATE OUTPUTS (NON INVERTED)

STMicroelectronics 

®

74VHCT541A

OCTAL BUS BUFFER

WITH 3 STATE OUTPUTS (NON INVERTED)

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

s LOW POWER DISSIPATION:

ICC = 4 µA (MAX.) at TA = 25 oC

s COMPATIBLE WITH TTL OUTPUTS:

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

s POWER DOWN PROTECTION ON INPUTS &

OUTPUTS

s SYMMETRICAL OUTPUT IMPEDANCE:

|IOH| = IOL = 8 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

s LOW NOISE: VOLP = 0.9V (Max.)

DESCRIPTION

The VHCT541A is an advanced high speed

CMOS OCTAL BUS BUFFER (3-STATE)

fabricated with sub-micron silicon gate and

double-layer metal wiring C2MOS technology.

The 3 STATE control gate operates as a two

M

(Micro Package)

T

(TSSOP Package)

ORDER CODES :

74VHCT541AM 74VHCT41AT

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 outputs 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

August 1999

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