74HC21

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© NXP Semiconductors N.V. 2015. All rights reserved.

Product data sheet

Rev. 7 — 30 November 2015

11 of 14

NXP Semiconductors

74HC21

Dual 4-input AND gate

13. Abbreviations

14. Revision history

Table 10.

Abbreviations

Acronym

Description

CMOS

Complementary Metal Oxide Semiconductor

DUT

Device Under Test

ESD

ElectroStatic Discharge

HBM

Human Body Model

MM

Machine Model

TTL

Transistor-Transistor Logic

Table 11.

Revision history

Document ID

Release date

Data sheet status

Change notice

Supersedes

74HC21 v.7

20151130

Product data sheet

-

74HC21 v.6

Modifications:

• Type numbers 74HC21N (SOT27-1) removed.

74HC21 v.6

20130208

Product data sheet

-

74HC21 v.5

Modifications:

Section 2: Typo corrected in the specified temperature range.

74HC21 v.5

20090507

Product data sheet

-

74HC21 v.4

Modifications:

Table 1: Type number 74HCT21PW changed to 74HC21PW.

74HC21 v.4

20090407

Product data sheet

-

74HC21 v.3

Modifications:

• The format of this data sheet has been redesigned to comply with the new identity guidelines

of NXP Semiconductors.

• Legal texts have been adapted to the new company name where appropriate.

• Added type number 74HC21PW (TSSOP14 package).

74HC21 v.3

20041112

Product data sheet

-

74HC_HCT21_CNV v.2

74HC_HCT21_CNV v.2

19970828

Product specification

-

74HC_HCT21 v.1

74HC_HCT21 v.1

19901201

Product specification

-

-

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