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PCA9554 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. PCA9554
Description  8-bit I2C and SMBus I/O port with interrupt
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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PCA9554 Datasheet(HTML) 3 Page - NXP Semiconductors

 
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Philips Semiconductors
Product data sheet
PCA9554/PCA9554A
8-bit I2C and SMBus I/O port with interrupt
2004 Sep 30
3
PIN CONFIGURATION — 16-pin DIP, SO, SSOP,
TSSOP
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
su01410
A0
A1
A2
I/O0
I/O1
I/O2
I/O3
VSS
VDD
SDA
SCL
INT
I/O7
I/O6
I/O5
I/O4
Figure 1. Pin configuration — 16-pin DIP, SO, SSOP, TSSOP
PIN CONFIGURATION — 20-pin SSOP
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
INT
SCL
n.c.
SDA
VDD
A0
A1
n.c.
A2
I/O0
I/O7
I/O6
n.c.
I/O5
I/O4
VSS
I/O3
I/O2
n.c.
I/O1
10
SW02269
Figure 1. Pin configuration — 20-pin SSOP
PIN CONFIGURATION — HVQFN
12
11
10
9
1
2
3
4
su01670
TOP VIEW
A2
I/O0
I/O1
I/O2
I/O3
I/O4
VSS
I/O5
INT
I/O6
I/O7
SDA
VDD
A0
A1
SCL
Figure 2. Pin Configuration — HVQFN
PIN DESCRIPTION
DIP16, SO16, SSOP16,
TSSOP16
PIN NUMBER
HVQFN16
PIN NUMBER
SSOP20
PIN NUMBER
SYMBOL
FUNCTION
1
15
6
A0
Address input 0
2
16
7
A1
Address input 1
3
1
9
A2
Address input 2
4–7
2–5
10–12, 14
I/O0 to I/O3
I/O0 to I/O3
8
6
15
VSS
Supply ground
9
7–10
16, 17, 19, 20
I/O4 to I/O7
I/O4 to I/O7
13
11
1
INT
Interrupt output (open drain)
14
12
2
SCL
Serial clock line
15
13
4
SDA
Serial data line
16
14
5
VDD
Supply voltage
3, 8, 13, 18
n.c.
not connected


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