MC54-74HC373A MOTOROLA [Motorola, Inc], MC54-74HC373A Datasheet

MC54-74HC373A

Manufacturer Part Number

MC54-74HC373A

Description

Octal 3-State Non-Inverting Transparent Latch

Manufacturer

MOTOROLA [Motorola, Inc]

Datasheet

1.MC54-74HC373A.pdf (8 pages)

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Octal 3-State Non-Inverting

Transparent Latch

High–Performance Silicon–Gate CMOS

inputs are compatible with standard CMOS outputs; with pullup resistors,

they are compatible with LSTTL outputs.

asynchronously) when Latch Enable is high. When Latch Enable goes low,

data meeting the setup and hold time becomes latched.

Output Enable is high, all device outputs are forced to the high–impedance

state. Thus, data may be latched even when the outputs are not enabled.

inputs on the opposite side of the package from the outputs to facilitate PC

board layout.

3/97

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

Motorola, Inc. 1997

The MC54/74HC373A is identical in pinout to the LS373. The device

These latches appear transparent to data (i.e., the outputs change

The Output Enable input does not affect the state of the latches, but when

The HC373A is identical in function to the HC573A which has the data

The HC373A is the non–inverting version of the HC533A.

Output Drive Capability: 15 LSTTL Loads

Outputs Directly Interface to CMOS, NMOS and TTL

Operating Voltage Range: 2.0 to 6.0 V

Low Input Current: 1.0 A

High Noise Immunity Characteristic of CMOS Devices

In Compliance with the Requirements Defined by JEDEC Standard

No. 7A

Chip Complexity: 186 FETs or 46.5 Equivalent Gates

OUTPUT ENABLE

Î Î Î Î Î Î Î Î Î Î

* Equivalent to a two–input NAND gate.

LATCH ENABLE

INPUTS

Internal Gate Count*

Internal Gate Propagation Delay

Internal Gate Power Dissipation

Speed Power Product

DATA

Design Criteria

LOGIC DIAGRAM

Î Î Î Î

0.0075

Value

PIN 20 = V CC

PIN 10 = GND

46.5

1.5

5.0

NONINVERTING

Î Î Î

OUTPUTS

Units

REV 7

MC54/74HC373A

X = Don’t Care

Z = High Impedance

Output

Enable

MC54HCXXXAJ

MC74HCXXXAN

MC74HCXXXADW

MC74HCXXXASD

MC74HCXXXADT

OUTPUT

ENABLE

ORDERING INFORMATION

GND

PIN ASSIGNMENT

FUNCTION TABLE

Enable

Inputs

Latch

CERAMIC PACKAGE

PLASTIC PACKAGE

TSSOP PACKAGE

SSOP PACKAGE

SOIC PACKAGE

CASE 751D–04

CASE 940C–03

CASE 948E–02

CASE 732–03

CASE 738–03

DW SUFFIX

SD SUFFIX

DT SUFFIX

N SUFFIX

J SUFFIX

Ceramic

Plastic

SOIC

SSOP

TSSOP

No Change

Output

V CC

LATCH

ENABLE

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MC54-74HC373A Summary of contents

Page 1

... Octal 3-State Non-Inverting Transparent Latch High–Performance Silicon–Gate CMOS The MC54/74HC373A is identical in pinout to the LS373. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. These latches appear transparent to data (i.e., the outputs change asynchronously) when Latch Enable is high ...

Page 2

... MC54/74HC373A Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î MAXIMUM RATINGS* Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 3

... MC54/74HC373A Î Î Î Î Î Î Î Î Î Î Î Î Guaranteed Limit Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...

Page 4

... MC54/74HC373A Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î TIMING REQUIREMENTS ( pF, Input 6.0 ns) Î ...

Page 5

... EXPANDED LOGIC DIAGRAM MC54/74HC373A TEST POINT CONNECT WHEN 1 k TESTING t PLZ AND t PZL . CONNECT TO GND WHEN TESTING t PHZ AND t PZH . Figure ...

Page 6

... MC54/74HC373A SEATING PLANE –A– –T– SEATING PLANE –A– –B– 20X 0.010 (0.25 18X K MOTOROLA OUTLINE DIMENSIONS J SUFFIX CERAMIC PACKAGE CASE 732–03 ISSUE ...

Page 7

... DETAIL DETAIL E 7 MC54/74HC373A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION B DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION ...

Page 8

... MC54/74HC373A Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “ ...

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