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PCF8575CDBQRE4 Datasheet(PDF) 3 Page - Texas Instruments

Part # PCF8575CDBQRE4
Description  REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCF8575CDBQRE4 Datasheet(HTML) 3 Page - Texas Instruments

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PCF8575C
REMOTE 16-BIT I2C AND SMBus LOW-POWER I/O EXPANDER
WITH INTERRUPT OUTPUT
SCPS123C – MARCH 2005 – REVISED JULY 2006
TERMINAL FUNCTIONS
NO.
DB, DBQ, DGV,
NAME
FUNCTION
DW, PW, AND
RGE
RHL
1
22
INT
Interrupt output. Connect to VCC through a pullup resistor.
2
23
A1
Address input 1. Connect directly to VCC or ground. Pullup resistors are not needed.
3
24
A2
Address input 2. Connect directly to VCC or ground. Pullup resistors are not needed.
4
1
P00
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
5
2
P01
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
6
3
P02
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
7
4
P03
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
8
5
P04
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
9
6
P05
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
10
7
P06
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
11
8
P07
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
12
9
GND
Ground
13
10
P10
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
14
11
P11
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
15
12
P12
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
16
13
P13
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
17
14
P14
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
18
15
P15
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
19
16
P16
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
20
17
P17
P-port input/output. Open-drain design structure. Connect to VCC through a pullup resistor.
21
18
A0
Address input 0. Connect directly to VCC or ground. Pullup resistors are not needed.
22
19
SCL
Serial clock line. Connect to VCC through a pullup resistor
23
20
SDA
Serial data line. Connect to VCC through a pullup resistor.
24
21
VCC
Supply voltage
3
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