MC74VHC573

Octal Non-Inverting D Latch, 3-State Output

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Overview

The MC74VHC573 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.

Features

High Speed: t_PD = 4.5ns (Typ) at V_CC = 5V
Low Power Dissipation: I_CC = 4mA (Max) at T_A = 25°C
High Noise Immunity: V_NIH = V_NIL = 28% V_CC
Power Down Protection Provided on Inputs
Balanced Propagation Delays
Designed for 2V to 5.5V Operating Range
Low Noise: V_OLP = 1.2V (Max)
Pin and Function Compatible with Other Standard Logic Families
Latchup Performance Exceeds 300mA
ESD Performance: HBM > 2000V; Machine Model > 200V
Chip Complexity: 218 FETs or 54.5 Equivalent Gates
These devices are available in Pb-free package(s). Specifications herein apply to both standard and Pb-free devices. Please see our website at www.onsemi.com for specific Pb-free orderable part numbers, or contact your local ON Semiconductor sales office or representative.

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Reference Price

MC74VHC573DTR2G

Active

TSSOP-20

9.48

260

REEL

2500

Latch

5.5

8.8

$0.3781

MC74VHC573DWR2G

Active

SOIC-20W

751D-05

260

REEL

1000

Latch

5.5

8.8

$0.4679

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Latches & Registers | MC74VHC573

Octal Non-Inverting D Latch, 3-State Output

Overview

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