1.

General description

The 74HC20; 74HCT20 is a dual 4-input NAND gate. Inputs include clamp diodes. This

enables the use of current limiting resistors to interface inputs to voltages in excess of

VCC.

2.

Features and benefits

 Complies with JEDEC standard JESD7A

 Low-power dissipation

 Input levels:

 For 74HC20: CMOS level

 For 74HCT20: TTL level

 ESD protection:

 HBM JESD22-A114F exceeds 2000 V

 MM JESD22-A115-A exceeds 200 V

 Multiple package options

 Specified from

40 Cto+80 C and from 40 Cto+125 C.

3.

Ordering information

74HC20; 74HCT20

Dual 4-input NAND gate

Rev. 3 — 3 September 2012

Product data sheet

Table 1.

Ordering information

Type number

Package

Temperature range

Name

Description

Version

74HC20N

40 C to +125 C

DIP14

plastic dual in-line package; 14 leads (300 mil)

SOT27-1

74HCT20N

74HC20D

40 C to +125 C

SO14

plastic small outline package; 14 leads; body width

3.9 mm

SOT108-1

74HCT20D

74HC20DB

40 C to +125 C

SSOP14

plastic shrink small outline package; 14 leads; body

width 5.3 mm

SOT337-1

74HCT20DB

74HC20PW

40 C to +125 C

TSSOP14

plastic thin shrink small outline package; 14 leads;

body width 4.4 mm

SOT402-1

74HCT20PW