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PCA9554ADGVR Datasheet(PDF) 4 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) 4 Page - Texas Instruments

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5 Pin Configuration And Functions
DB, DBQ, DGV, DW,
OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A0
A1
A2
P0
P1
P2
P3
GND
VCC
SDA
SCL
INT
P7
P6
P5
P4
RGV PACKAGE
(TOP VIEW)
16
6
8
2
10
P7
4
3
1
7
5
12
11
9
13
14
15
P6
INT
SCL
A2
P0
P1
P2
RGT PACKAGE
(TOP VIEW)
16
6
8
2
10
P7
4
3
1
7
5
12
11
9
13
14
15
P6
INT
SCL
A2
P0
P1
P2
Table 5-1. Pin Functions
PIN
DESCRIPTION
NAME
QSOP (DBQ)
SOIC (DW),
SSOP (DB),
TSSOP (PW), AND
TVSOP (DGV)
QFN (RGT AND
RGV)
A0
1
15
Address input. Connect directly to VCC or ground.
A1
2
16
Address input. Connect directly to VCC or ground.
A2
3
1
Address input. Connect directly to VCC or ground.
P0
4
2
P-port input/output. Push-pull design structure.
P1
5
3
P-port input/output. Push-pull design structure.
P2
6
4
P-port input/output. Push-pull design structure.
P3
7
5
P-port input/output. Push-pull design structure.
GND
8
6
Ground
P4
9
7
P-port input/output. Push-pull design structure.
P5
10
8
P-port input/output. Push-pull design structure.
P6
11
9
P-port input/output. Push-pull design structure.
P7
12
10
P-port input/output. Push-pull design structure.
INT
13
11
Interrupt output. Connect to VCC through a pullup resistor.
SCL
14
12
Serial clock bus. Connect to VCC through a pullup resistor.
SDA
15
13
Serial data bus. Connect to VCC through a pullup resistor.
VCC
16
14
Supply voltage
PCA9554A
SCPS127F – SEPTEMBER 2006 – REVISED MARCH 2021
www.ti.com
4
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: PCA9554A



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