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PCF8575 Datasheet(PDF) 13 Page - Texas Instruments

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Part # PCF8575
Description  REMOTE 16-BIT I2C AND SMBus I/O EXPANDERWITH INTERRUPT OUTPUT
PDF  32 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCF8575 Datasheet(HTML) 13 Page - Texas Instruments

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PARAMETER MEASUREMENT INFORMATION
RL = 1 kΩ
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
PCF8575
REMOTE 16-BIT I2C AND SMBus I/O EXPANDER
WITH INTERRUPT OUTPUT
SCPS121D – JANUARY 2005 – REVISED APRIL 2007
Figure 6. I2C Interface Load Circuit and Voltage Waveforms
13
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