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74VHCT32AT

QUAD 2-INPUT OR GATE

STMicroelectronics 

®

74VHCT32A

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

s LOW POWER DISSIPATION:

ICC = 2 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 32

s IMPROVED LATCH-UP IMMUNITY

s LOW NOISE: VOLP = 0.8V (Max.)

DESCRIPTION

The 74VHCT32A is an advanced high-speed

CMOS QUAD 2-INPUT OR GATE fabricated with

sub-micron silicon gate and double-layer metal

wiring C2MOS technology.

QUAD 2-INPUT OR GATE

PRELIMINARY DATA

M

(Micro Package)

T

(TSSOP Package)

ORDER CODES :

74VHCT32AM

74VHCT32AT

The internal circuit is composed of 2 stages

including buffer output, which provide high noise

immunity and stable output.

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

1/7

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