pca9538d NXP Semiconductors, pca9538d Datasheet - Page 12
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pca9538d
Manufacturer Part Number
pca9538d
Description
8-bit I2c And Smbus Low Power I/o Port With Interrupt And Reset
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9538D.pdf
(18 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PCA9538D
Manufacturer:
NXP/恩智浦
Quantity:
20 000
Company:
Part Number:
pca9538d@118
Manufacturer:
NXP
Quantity:
1 230
Philips Semiconductors
2006 Sep 21
8-bit I
I/O port with interrupt and reset
RESET
SDA
SCL
I/Ox
2
C-bus and SMBus low power
50%
t
REC
START
OUTPUT
30%
INPUT
SDA
SDA
SCL
SCL
INT
Figure 16. Expanded view of Write to output port register
Figure 15. Expanded view of Read input port register
2
2
Figure 14. Definition of RESET timing
t
IV
1
1
12
0
0
t
PS
A
A
t
t
IR
PV
t
PH
50%
P
P
t
W
ACK OR READ CYCLE
SW02329
SW02330
t
t
RESET
RESET
70 %
30 %
50 %
70 %
30 %
50 %
50%
50%
I/O configured as inputs
PCA9538
Product data sheet
SW02340