74HC257 查看數據表（PDF） - NXP Semiconductors.

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产品描述 (功能)

比赛名单

74HC257

Quad 2-input multiplexer; 3-state

NXP Semiconductors. 

NXP Semiconductors

74HC257; 74HCT257

Quad 2-input multiplexer; 3-state

13. Revision history

Table 10. Revision history

Document ID

Release date Data sheet status

Change notice Supersedes

74HC_HCT257_5

Modifications:

20100113

Product data sheet

-

74HC_HCT257_4

• Table 7 “Dynamic characteristics”: changed 3OE to OE

74HC_HCT257_4

20090608

Product data sheet

-

74HC_HCT257_3

74HC_HCT257_3

20050920

Product data sheet

-

74HC_HCT257_CNV_2

74HC_HCT257_CNV_2

19980930

Product specification

-

-

74HC_HCT257_5

Product data sheet

Rev. 05 — 13 January 2010

© NXP B.V. 2010. All rights reserved.

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