Nexperia

74HC21

Dual 4-input AND gate

12. Abbreviations

Table 10. Abbreviations

Acronym

Description

CMOS

Complementary Metal Oxide Semiconductor

DUT

Device Under Test

ESD

ElectroStatic Discharge

HBM

Human Body Model

MM

Machine Model

13. Revision history

Table 11. Revision history

Document ID

Release date Data sheet status

Change notice Supersedes

74HC21 v.9

20230502

Product data sheet

-

74HC21 v.8

Modifications:

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

guidelines of Nexperia.

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

74HC21 v.8

20210908

Product data sheet

-

74HC21 v.7

Modifications:

• Type number 74HC21DB (SOT337-1/SSOP14) removed.

• Section 2 updated.

74HC21 v.7

20151130

Product data sheet

-

74HC21 v.6

Modifications:

• Type number 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

-

-

74HC21

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© Nexperia B.V. 2023. All rights reserved

Product data sheet

Rev. 9 — 2 May 2023

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