CAT9555 CATALYST [Catalyst Semiconductor], CAT9555 Datasheet - Page 2

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CAT9555

Manufacturer Part Number
CAT9555
Description
16-bit I2C and SMBus I/O Port with Interrupt
Manufacturer
CATALYST [Catalyst Semiconductor]
Datasheet

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0
CAT9555
PIN CONFIGURATION
PIN DESCRIPTION
Doc. No. 8551, Rev. E
SOIC (W) / TSSOP (Y)
I/O0.0
I/O0.1
I/O0.2
I/O0.3
I/O0.4
I/O0.5
I/O0.6
I/O0.7
S
V SS
INT
A1
A2
O
C I
1
4
3
/
2
2
2
1
2
3
4
5
6
7
8
9
10
11
12
1
2
1 -
2
3
1
2 -
T
2
3
4
2
1
S
1
0
S
24
23
22
21
20
19
19
17
16
15
14
13
O
P
V CC
SDA
SCL
A0
I/O1.7
I/O1.6
I/O1.5
I/O1.4
I/O1.3
I/O1.2
I/O1.1
I/O1.0
T
1
Q
1
0
2
2
2
1
1
2
2
9
1 -
8 -
4
F
2
3
8
9
0
1
N
7
I/O0.0
I/O0.1
I/O0.2
I/O0.3
I/O0.4
I/O0.5
1
2
3
4
5
6
/ I
/ I
TQFN (HV6)
O
O
P
0
1
N I
Top View
4 x 4 mm
0 .
0 .
S
S
N I
V
V
A
A
A
N
C
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-
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2
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7 .
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I/O1.7
I/O1.6
I/O1.5
I/O1.4
I/O1.3
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Characteristics subject to change without notice
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© 2007 by Catalyst Semiconductor, Inc.
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