MC74VHCT32A ON Semiconductor, MC74VHCT32A Datasheet

MC74VHCT32A

Manufacturer Part Number

MC74VHCT32A

Description

QUAD 2 INPUT OR GATE CMOS LOGIC LEVEL SHIFTER

Manufacturer

ON Semiconductor

Datasheet

1.MC74VHCT32A.pdf (8 pages)

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MC74VHCT32A

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Quad 2-Input OR Gate /

CMOS Logic Level Shifter

with LSTTL–Compatible Inputs

OR gate fabricated with silicon gate CMOS technology. It achieves

high speed operation similar to equivalent Bipolar Schottky TTL

while maintaining CMOS low power dissipation.

output which provides high noise immunity and stable output.

the output has a full 5V CMOS level output swing. The input

protection circuitry on this device allows overvoltage tolerance on the

input, allowing the device to be used as a logic–level translator from

3.0V CMOS logic to 5.0V CMOS Logic or from 1.8V CMOS logic to

3.0V CMOS Logic while operating at the high–voltage power supply.

voltages up to 7V are applied, regardless of the supply voltage. This

allows the MC74VHCT32A to be used to interface 5V circuits to 3V

circuits. The output structures also provide protection when V CC = 0V.

These input and output structures help prevent device destruction

caused by supply voltage – input/output voltage mismatch, battery

backup, hot insertion, etc.

This document contains information on a product under development. ON Semiconductor

reserves the right to change or discontinue this product without notice.

October, 1999 – Rev. 0.0

The MC74VHCT32A is an advanced high speed CMOS 2–input

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

The device input is compatible with TTL–type input thresholds and

The MC74VHCT32A input structure provides protection when

High Speed: t PD = 3.8ns (Typ) at V CC = 5V

Low Power Dissipation: I CC = 2 A (Max) at T A = 25 C

TTL–Compatible Inputs: V IL = 0.8V; V IH = 2.0V

Power Down Protection Provided on Inputs

Balanced Propagation Delays

Designed for 2V to 5.5V Operating Range

Low Noise: V OLP = 0.8V (Max)

Pin and Function Compatible with Other Standard Logic Families

Latchup Performance Exceeds 300mA

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

Semiconductor Components Industries, LLC, 1999

LOGIC DIAGRAM

Y = A

)

For detailed package marking information, see the Marking

Diagram section on page 4 of this data sheet.

MC74VHCT32AD

MC74VHCT32ADT

MC74VHCT32AM

14–LEAD SOIC

V CC

Device

CASE 751A

MARKING DIAGRAM (Top View)

D SUFFIX

ORDERING INFORMATION

Inputs

PIN CONNECTION AND

FUNCTION TABLE

http://onsemi.com

14–LEAD SOIC EIAJ

CASE 965

M SUFFIX

SOIC EIAJ

Package

TSSOP

Publication Order Number:

SOIC

14–LEAD TSSOP

CASE 948G

MC74VHCT32A/D

DT SUFFIX

Output

55 Units/Rail

96 Units/Rail

50 Units/Rail

Shipping

GND

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MC74VHCT32A Summary of contents

Page 1

... The MC74VHCT32A input structure provides protection when voltages are applied, regardless of the supply voltage. This allows the MC74VHCT32A to be used to interface 5V circuits to 3V circuits. The output structures also provide protection when 0V. These input and output structures help prevent device destruction caused by supply voltage – ...

Page 2

... V OLV Quiet Output Minimum Dynamic IHD Minimum High Level Dynamic Input Voltage V ILD Maximum Low Level Dynamic Input Voltage MC74VHCT32A Î Î Î Î Î Î Î Î Value Unit Î Î Î Î Î Î Î Î Î Î ...

Page 3

... defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average operating current can be obtained by the equation: I CC(OPR no–load dynamic power consumption 1.5V t PLH Y 1.5V Figure 1. Switching Waveforms MC74VHCT32A Test Conditions (V) Min Typ 3.0 1.2 4 ...

Page 4

... D SUFFIX CASE 751A *See Applications Note #AND8004/D for date code and traceability information. –A– –B– SEATING PLANE 0.25 (0.010 MC74VHCT32A MARKING DIAGRAMS (Top View 14–LEAD TSSOP VHCT32A ...

Page 5

... L PIN 1 IDENT 0.15 (0.006 –V– C 0.10 (0.004) –T– SEATING G D PLANE MC74VHCT32A PACKAGE DIMENSIONS DT SUFFIX PLASTIC TSSOP PACKAGE CASE 948G–01 ISSUE 0.25 (0.010 –U– F DETAIL Ç Ç Ç ...

Page 6

... PACKAGE DIMENSIONS PLASTIC SOIC EIAJ PACKAGE VIEW 0.13 (0.005) M 0.10 (0.004) MC74VHCT32A M SUFFIX CASE 965–01 ISSUE O NOTES DETAIL P c http://onsemi.com 6 DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. CONTROLLING DIMENSION: MILLIMETER. ...

Page 7

... Notes MC74VHCT32A http://onsemi.com 7 ...

Page 8

... Email: ONlit–asia@hibbertco.com JAPAN: ON Semiconductor, Japan Customer Focus Center 4–32–1 Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan 141–8549 Phone: 81–3–5487–8345 Email: r14153@onsemi.com ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative. http://onsemi.com 8 MC74VHCT32A/D ...

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