CAT9555 CATALYST [Catalyst Semiconductor], CAT9555 Datasheet - Page 6

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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
AC TEST CONDITIONS
Doc. No. 8551, Rev. E
n I
C
C
O
O
O
SDA OUT
M
M
p
u
u
u
t u
p t
p t
p t
SDA IN
O
O
t u
t u
t u
S
S
SCL
R
s i
n I
n I
R
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g
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t F
l o
s
a t
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t HD:STA
t LOW
Figure 1. 2-Wire Serial Interface Timing
t AA
t HD:DAT
t HIGH
<
0
0
0
C
C
2 .
3 .
5 .
r u
r u
=
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V
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e r
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t LOW
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6
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0
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8 .
7 .
c
c r
e
t DH
V
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e
C
C
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I :
O
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t SU:DAT
L
t R
=
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m
H
; A
=
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0
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m
=
; A
1
0
C
0
L
p
=
F
Characteristics subject to change without notice
5
0
p
F
t SU:STO
t BUF
© 2007 by Catalyst Semiconductor, Inc.

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