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PCA9554DB Datasheet(PDF) 13 Page - Texas Instruments

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Part # PCA9554DB
Description  SMBus I/O Expander With Interrupt Output
PDF  34 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

PCA9554DB Datasheet(HTML) 13 Page - Texas Instruments

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14
I/O
Port
Shift
Register
8 Bits
LP Filter
Interrupt
Logic
Input
Filter
15
Power-On
Reset
Read Pulse
Write Pulse
2
1
13
16
8
GND
VCC
SDA
SCL
A1
A0
INT
I2C Bus
Control
P7−P0
3
A2
PCA9554
www.ti.com
SCPS128C – JULY 2006 – REVISED JUNE 2014
8 Detailed Description
8.1 Functional Block Diagram
A.
Pin numbers shown are for the DB, DBQ, DGV, DW, N, or PW package.
B.
All I/Os are set to inputs at reset.
Figure 17. Logic Diagram
Copyright © 2006–2014, Texas Instruments Incorporated
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