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PCF8575CDW 数据表(PDF) 8 Page - Texas Instruments

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部件名 PCF8575CDW
功能描述  SMBus Low-Power I/O Expander
PDF  38 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

PCF8575CDW 数据表(HTML) 8 Page - Texas Instruments

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RL = 1 kW
VCC
CL = 50 pF
tbuf
ticr
tsth
tsds
tsdh
ticf
ticr
tscl
tsch
tsts
tPHL
tPLH
0.3 × VCC
Stop
Condition
tsps
Repeat
Start
Condition
Start or
Repeat
Start
Condition
SCL
SDA
Start
Condition
(S)
Address
Bit 7
(MSB)
Data
Bit 10
(LSB)
Stop
Condition
(P)
3 Bytes for Complete Device
Programming
SDA LOAD CONFIGURATION
VOLTAGE WAVEFORMS
ticf
Stop
Condition
(P)
tsp
DUT
SDA
0.7 × VCC
0.3 × VCC
0.7 × VCC
R/W
Bit 0
(LSB)
ACK
(A)
Data
Bit 07
(MSB)
Address
Bit 1
Address
Bit 6
BYTE
DESCRIPTION
1
2, 3
I2C address
P-port data
PCF8575C
SCPS123F – MARCH 2005 – REVISED JANUARY 2015
www.ti.com
7 Parameter Measurement Information
Figure 7. I2C Interface Load Circuit and Voltage Waveforms
8
Submit Documentation Feedback
Copyright © 2005–2015, Texas Instruments Incorporated
Product Folder Links: PCF8575C



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