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PCA9554ADGVR Datasheet(PDF) 13 Page - Texas Instruments

Part # PCA9554ADGVR
Description  PCA9554A Remote 8-Bit I2C and SMBus I/O Expander With Interrupt Output and Configuration Registers
PDF  42 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

PCA9554ADGVR Datasheet(HTML) 13 Page - Texas Instruments

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8 Detailed Description
8.1 Functional Block Diagram
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
A. Pin numbers shown are for the DB, DBQ, DGV, DW, or PW package.
B. All I/Os are set to inputs at reset.
Figure 8-1. Logic Diagram
www.ti.com
PCA9554A
SCPS127F – SEPTEMBER 2006 – REVISED MARCH 2021
Copyright © 2021 Texas Instruments Incorporated
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Product Folder Links: PCA9554A



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