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PCA9545ADGVT Datasheet(PDF) 3 Page - Texas Instruments

Part # PCA9545ADGVT
Description  4-CHANNEL I2C AND SMBus SWITCH WITH INTERRUPT LOGIC AND RESET FUNCTIONS
PDF  28 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCA9545ADGVT Datasheet(HTML) 3 Page - Texas Instruments

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PCA9545A
4-CHANNEL I2C AND SMBus SWITCH
WITH INTERRUPT LOGIC AND RESET FUNCTIONS
SCPS147C – OCTOBER 2005 – REVISED OCTOBER 2006
TERMINAL FUNCTIONS
NO.
NAME
DESCRIPTION
DGV, DW, PW,
GQN AND
RGW
AND RGY
ZQN
1
19
A2
A0
Address input 0. Connect directly to VCC or ground.
2
20
A1
A1
Address input 1. Connect directly to VCC or ground.
Active-low reset input. Connect to VCC through a pullup
3
1
B3
RESET
resistor, if not used.
Active-low interrupt input 0. Connect to VCC through a
4
2
B1
INT0
pullup resistor.
5
3
C2
SD0
Serial data 0. Connect to VCC through a pullup resistor.
6
4
C1
SC0
Serial clock 0. Connect to VCC through a pullup resistor.
Active-low interrupt input 1. Connect to VCC through a
7
5
D3
INT1
pullup resistor.
8
6
D1
SD1
Serial data 1. Connect to VCC through a pullup resistor.
9
7
E2
SC1
Serial clock 1. Connect to VCC through a pullup resistor.
10
8
E1
GND
Ground
Active-low interrupt input 2. Connect to VCC through a
11
9
E3
INT2
pullup resistor.
12
10
E4
SD2
Serial data 2. Connect to VCC through a pullup resistor.
13
11
D2
SC2
Serial clock 2. Connect to VCC through a pullup resistor.
Active-low interrupt input 3. Connect to VCC through a
14
12
D4
INT3
pullup resistor.
15
13
C3
SD3
Serial data 3. Connect to VCC through a pullup resistor.
16
14
C4
SC3
Serial clock 3. Connect to VCC through a pullup resistor.
Active-low interrupt output. Connect to VCC through a pullup
17
15
B2
INT
resistor.
18
16
B4
SCL
Serial clock line. Connect to VCC through a pullup resistor.
19
17
A4
SDA
Serial data line. Connect to VCC through a pullup resistor.
20
18
A3
VCC
Supply power
3
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