74HC_HCT423_3

© NXP B.V. 2008. All rights reserved.

Product data sheet

Rev. 03 — 24 July 2008

21 of 23

NXP Semiconductors

74HC423; 74HCT423

Dual retriggerable monostable multivibrator with reset

14. Abbreviations

15. 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

74HC_HCT423_3

20080724

Product data sheet

-

74HC_HCT423_CNV_2

Modifications:

guidelines of NXP Semiconductors.

• Section 3 “Ordering information”, Section 5 “Pinning information”and Section 13

“Package outline”, added type numbers 74HC423BQ and 74HCT423BQ (DHVQFN16

package).

• Figure 4 “Logic diagram”, Figure 13 “Timing component connections” and Figure 15

“Power-down protection circuit” redrawn.

• Figure 12 “Test circuit for measuring switching times” added.

• Section 12.1 “Timing component connections” moved to Section 12.

• Section 14 “Abbreviations” added.

74HC_HCT423_CNV_2

19980708

Product specification

-

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