PCA9544D NXP Semiconductors, PCA9544D Datasheet - Page 3

• Manufacturer Part Number: PCA9544D
• Manufacturer: NXP Semiconductors

Specifications of PCA9544D

• Logical Function: I2C Multiplexer
• Configuration: 1 x 4:1
• Number Of Inputs: 4
• Number Of Outputs: 1
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (min): 2.3V
• Operating Supply Voltage (max): 5.5V
• Power Dissipation: 400mW
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: SO
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
PIN CONFIGURATION — SO, TSSOP
PIN DESCRIPTION
2004 Sep 29
4-channel I
PIN NUMBER
SO, TSSOP
10
12
13
14
15
16
17
18
19
20
11
1
2
3
4
5
6
7
8
9
Figure 1. Pin configuration — SO, TSSOP
INT0
INT1
VSS
SD0
SC0
SD1
SC1
A0
A1
A2
2
PIN NUMBER
C multiplexer with interrupt logic
10
1
2
3
4
5
6
8
9
7
HVQFN
19
20
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
20
19
18
17
16
15
14
13
12
11
V
SDA
SCL
INT
SC3
SD3
INT3
SC2
SD2
INT2
DD
SYMBOL
INT0
INT1
INT2
INT3
SDA
SD0
SC0
SD1
SC1
SD2
SC2
SD3
SC3
SCL
V
V
INT
A0
A1
A2
SS
DD
SW00373
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
3
PIN CONFIGURATION — HVQFN
Figure 2. Pin configuration — HVQFN
INT0
INT1
SD0
SC0
A2
1
2
3
4
5
FUNCTION
SD1 SC1 V
A1
A0
TOP VIEW
V
SS
DD
SDA
INT2 SD2
SCL
15
14
13
12
11
INT
SC3
SD3
INT3
SC2
PCA9544
Product data sheet
su01666