PCA9674AD NXP [NXP Semiconductors], PCA9674AD Datasheet - Page 22

• Manufacturer Part Number: PCA9674AD
• Description: Remote 8-bit I/O expander for Fm+ I2C-bus with interrupt
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
PCA9674_PCA9674A_5
Product data sheet
Fig 22. I
Rise and fall times refer to V
2
C-bus timing diagram
protocol
SDA
SCL
t
SU;STA
t
BUF
condition
START
(S)
t
HD;STA
IL
and V
t
LOW
t
r
IH
MSB
bit 7
(A7)
.
t
HIGH
Rev. 05 — 15 June 2009
t
SU;DAT
t
f
1
/f
bit 6
(A6)
SCL
Remote 8-bit I/O expander for Fm+ I
t
HD;DAT
(R/W)
bit 0
t
VD;DAT
acknowledge
(A)
t
VD;ACK
condition
STOP
PCA9674/74A
(P)
t
SU;STO
002aab175
2
C-bus with interrupt
© NXP B.V. 2009. All rights reserved.
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