PCA9544ABS 데이터 시트보기 (PDF) - Philips Electronics
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PCA9544ABS Datasheet PDF : 18 Pages
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Philips Semiconductors
4-channel I2C multiplexer with interrupt logic
Product data sheet
PCA9544A
PIN CONFIGURATION — SO, TSSOP
PIN CONFIGURATION — HVQFN
A0 1
A1 2
A2 3
INT0 4
SD0 5
SC0 6
INT1 7
SD1 8
SC1 9
VSS 10
20 VDD
19 SDA
18 SCL
17 INT
16 SC3
15 SD3
14 INT3
13 SC2
12 SD2
11 INT2
SW00373
Figure 1. Pin configuration — SO, TSSOP
A1 A0 VDD SDA SCL
A2 1
INT0 2
SD0 3
SC0 4
INT1 5
15 INT
14 SC3
13 SD3
12 INT3
11 SC2
SD1 SC1 VSS INT2 SD2
TOP VIEW
su01666
Figure 2. Pin configuration — HVQFN
PIN DESCRIPTION
SO, TSSOP
PIN NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
HVQFN
PIN NUMBER
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
SYMBOL
A0
A1
A2
INT0
SD0
SC0
INT1
SD1
SC1
VSS
INT2
SD2
SC2
INT3
SD3
SC3
INT
SCL
SDA
VDD
FUNCTION
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
2004 Sep 29
3
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