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MC74VHC373DT

Octal D-Type Latch with 3-State Output

ON Semiconductor 

ON Semiconductort

Octal D-Type Latch

with 3-State Output

The MC74VHC373 is an advanced high speed CMOS octal latch

with 3–state output fabricated with silicon gate CMOS technology. It

achieves high speed operation similar to equivalent Bipolar Schottky

TTL while maintaining CMOS low power dissipation.

This 8–bit D–type latch is controlled by a latch enable input and an

output enable input. When the output enable input is high, the eight

outputs are in a high impedance state.

The internal circuit is composed of three stages, including a buffer

output which provides high noise immunity and stable output. The

inputs tolerate voltages up to 7V, allowing the interface of 5V systems

to 3V systems.

• High Speed: tPD = 5.0ns (Typ) at VCC = 5V

• Low Power Dissipation: ICC = 4µA (Max) at TA = 25°C

• High Noise Immunity: VNIH = VNIL = 28% VCC

• Power Down Protection Provided on Inputs

• Balanced Propagation Delays

• Designed for 2V to 5.5V Operating Range

• Low Noise: VOLP = 0.9V (Max)

• Pin and Function Compatible with Other Standard Logic Families

• Latchup Performance Exceeds 300mA

• ESD Performance: HBM > 2000V; Machine Model > 200V

• Chip Complexity: 186 FETs or 46.5 Equivalent Gates

MC74VHC373

DW SUFFIX

20–LEAD SOIC WIDE PACKAGE

CASE 751D–05

DT SUFFIX

20–LEAD TSSOP PACKAGE

CASE 948E–02

M SUFFIX

20–LEAD SOIC EIAJ PACKAGE

CASE 967–01

ORDERING INFORMATION

MC74VHCXXXDW SOIC WIDE

MC74VHCXXXDT TSSOP

MC74VHCXXXM

SOIC EIAJ

© Semiconductor Components Industries, LLC, 2001

1

March, 2001 – Rev. 4

Publication Order Number:

MC74VHC373/D

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