pca9544ad NXP Semiconductors, pca9544ad Datasheet - Page 3

• Manufacturer Part Number: pca9544ad
• Description: Pca9544a 4-channel I2c Multiplexer With Interrupt Logic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
PIN CONFIGURATION — SO, TSSOP
PIN DESCRIPTION
2004 Sep 29
4-channel I
PIN NUMBER
SO, TSSOP
Figure 1. Pin configuration — SO, TSSOP
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
INT0
INT1
VSS
SD0
SC0
SD1
SC1
A0
A1
A2
2
C multiplexer with interrupt logic
10
1
2
3
4
5
6
8
9
7
PIN NUMBER
HVQFN
19
20
10
11
12
13
14
15
16
17
18
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
V
SDA
SCL
INT
SC3
SD3
INT3
SC2
SD2
INT2
DD
SW00373
SYMBOL
INT0
INT1
INT2
INT3
SD0
SC0
SD1
SC1
SD2
SC2
SD3
SC3
SCL
SDA
V
V
INT
A0
A1
A2
DD
SS
3
PIN CONFIGURATION — HVQFN
Address input 0
Address input 1
Address input 2
Active-LOW interrupt input 0
Serial data 0
Serial clock 0
Active-LOW interrupt input 1
Serial data 1
Serial clock 1
Supply ground
Active-LOW interrupt input 2
Serial data 2
Serial clock 2
Active-LOW interrupt input 3
Serial data 3
Serial clock 3
Active-LOW interrupt output
Serial clock line
Serial data line
Supply voltage
Figure 2. Pin configuration — HVQFN
INT0
INT1
SD0
SC0
A2
1
2
3
4
5
SD1 SC1 V
A1
A0
TOP VIEW
V
SS
DD
FUNCTION
SDA
INT2 SD2
SCL
15
14
13
12
11
PCA9544A
INT
SC3
SD3
INT3
SC2
Product data sheet
su01666