PCA9554ADB datasheet(19/20 Pages) PHILIPS

19 / 20 page

Philips Semiconductors

Product data sheet

PCA9554/PCA9554A

8-bit I2C and SMBus I/O port with interrupt

2004 Sep 30

REVISION HISTORY

Rev

Date

Description

20040930

Product data (9397 750 13289). Supersedes data of 2002 Jul 26 (9397 750 10163).

Modifications:

• Add DIP16 and SSOP20 packages to Features, Ordering information, Pin configuration, Pin description,

and package outline drawings.

• Section “Register 0—Input Port Register” on page 4:

change default values to ‘XXXXXXXX’ and add second paragraph.

• “Power-on Reset” section on page 5 modified.

• Add new “Typical application” section on page 9.

• DC Characteristics table on page 11:

– add (new) Note 1, and its reference at VPOR.

– Note 2 re-written.

20020726

Product data (9397 750 10163). ECN 853-2243 28672 of 26 July 2002.

Supersedes data of 2002 May 13 (9397 750 09817).

20020513

Product specification (9397 750 09817)

Product specification (9397 750 08342)

Product specification (9397 750 08209)

Product specification (9397 750 08159)

PCA9554ADB 数据表(PDF) 19 Page - NXP Semiconductors