pca9535ecmttxg ON Semiconductor, pca9535ecmttxg Datasheet - Page 3

• Manufacturer Part Number: pca9535ecmttxg
• Description: Pca9535e, Pca9535ec 16-bit Low-power I/o Expander For I2c Bus With Interrupt
• Manufacturer: ON Semiconductor

Table 1. PIN DESCRIPTIONS
Symbol
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
IO0_7
IO1_0
IO1_1
IO1_2
IO1_3
IO1_4
IO1_5
IO1_6
IO1_7
SDA
AD1
AD2
AD0
SCL
V
V
INT
SS
DD
IO0_7
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
IO0_6
AD1
AD2
Figure 3. SOIC24 / TSSOP24
V
INT
SOIC24, TSSOP24
SS
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
9
9
PCA9535EC
PCA9535E
Pin
24
23
22
21
20
19
18
17
16
15
14
13
V
SDA
SCL
AD0
IO1_7
IO1_6
IO1_5
IO1_4
IO1_3
IO1_2
IO1_1
IO1_0
DD
PIN ASSIGNMENT
http://onsemi.com
QFN24
22
23
24
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
9
9
3
index area
terminal 1
IO0_0
IO0_1
IO0_2
IO0_3
IO0_4
IO0_5
(The exposed thermal pad at the bottom
is not connected to internal circuitry)
1
2
3
4
5
6
Transparent top view
Figure 4. QFN24
Interrupt Output (active−LOW)
PCA9535EC
PCA9535E
Serial Clock Line
Serial Data Line
Address Input 1
Address Input 2
Address Input 0
Supply Ground
Supply Voltage
Description
Port 0 I/O 0
Port 0 I/O 1
Port 0 I/O 2
Port 0 I/O 3
Port 0 I/O 4
Port 0 I/O 5
Port 0 I/O 6
Port 0 I/O 7
Port 1 I/O 0
Port 1 I/O 1
Port 1 I/O 2
Port 1 I/O 3
Port 1 I/O 4
Port 1 I/O 5
Port 1 I/O 6
Port 1 I/O 7
18
17
16
15
14
13
AD0
IO1_7
IO1_6
IO1_5
IO1_4
IO1_3