74HC_HCT257

All information provided in this document is subject to legal disclaimers.

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

Product data sheet

Rev. 6 — 26 January 2015

2 of 18

NXP Semiconductors

74HC257; 74HCT257

Quad 2-input multiplexer; 3-state

3.

Ordering information

4.

Functional diagram

Table 1.

Ordering information

Type number

Package

Temperature range

Name

Description

Version

74HC257N

40 C to +125 C

DIP16

plastic dual in-line package; 16 leads (300 mil)

SOT38-4

74HCT257N

74HC257D

40 C to +125 C

SO16

plastic small outline package; 16 leads; body width 3.9 mm SOT109-1

74HCT257D

74HC257DB

40 C to +125 C

SSOP16

plastic shrink small outline package; 16 leads;

body width 5.3 mm

SOT338-1

74HCT257DB

74HC257PW

40 C to +125 C

TSSOP16

plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

74HCT257PW

Fig 1.

Logic symbol

Fig 2.

IEC logic symbol