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PCF8574ADGVRE4 Datasheet(PDF) 8 Page - Texas Instruments

Part # PCF8574ADGVRE4
Description  Remote 8-Bit I/O Expander
Download  35 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

PCF8574ADGVRE4 Datasheet(HTML) 8 Page - Texas Instruments

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DUT
RL = 1 kΩ
VCC
CL = 10 pF to 400 pF
tbuf
ticr
tsth
tsds
tsdh
ticf
ticr
tscl
tsch
tsts
tPHL
tPLH
0.7
× VCC
Stop
Condition
tsps
Repeat
Start
Condition
Start or
Repeat
Start
Condition
SCL
SDA
Start
Condition
(S)
Bit 7
MSB
Bit 6
Bit 0
LSB
(R/W)
Acknowledge
(A)
Stop
Condition
(P)
2 Bytes for Complete Device
Programming
LOAD CIRCUIT
VOLTAGE WAVEFORMS
ticf
Stop
Condition
(P)
tsp
0.7
× VCC
0.3
× VCC
0.3
× VCC
Pn
PCF8574A
SCPS069F – JULY 2001 – REVISED NOVEMBER 2015
www.ti.com
7 Parameter Measurement Information
Figure 12. I2C Interface Load Circuit and Voltage Waveforms
8
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Copyright © 2001–2015, Texas Instruments Incorporated
Product Folder Links: PCF8574A


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