PCA9555D 查看數據表（PDF） - Philips Electronics
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PCA9555D Datasheet PDF : 22 Pages
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Philips Semiconductors
16-bit I2C and SMBus I/O port with interrupt
Product data sheet
PCA9555
REVISION HISTORY
Rev
Date
_5
20040930
_4
20040727
_3
20020726
_2
20020513
_1
20010507
Description
Product data sheet (9397 750 14125). Supersedes data of 2004 Jul 27 (9397 750 13271).
Modifications:
• Section “Registers 0 and 1—Input Port Registers” on page 6: add register bit table and second paragraph.
• Figure 11 on page 11: resistor values modified
• “DC Characteristics” table on page 13:
– sub-section “I/Os”:
change VIL (max) from 0.8 V to 0.3VDD
change VIH (min) from 2.0 V to 0.7VDD
– sub-section “Select inputs A0, A1, A2:
change VIL (max) from 0.8 V to 0.3VDD
change VIH (min) from 2.0 V to 0.7VDD
– Add (new) Note 1
– Note 2 re-written.
Product data (9397 750 13271). Supersedes data of 2002 Jul 26 (9397 750 10164).
Product data (9397 750 10164). ECN 853-2252 28672 of 26 July 2002.
Supersedes data of 2002 May 13 (9397 750 09818).
Product data (9397 750 09818).
Product data (9397 750 08343).
2004 Sep 30
21
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