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PCF8574RGYRG4 数据表(PDF) 8 Page - Texas Instruments

部件名 PCF8574RGYRG4
功能描述  Remote 8-Bit I/O Expander for I2C Bus
PDF  36 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

PCF8574RGYRG4 数据表(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
PCF8574
SCPS068I – JULY 2001 – REVISED NOVEMBER 2015
www.ti.com
7 Parameter Measurement Information
Figure 12. I2C Interface Load Circuit and Voltage Waveforms
8
Submit Documentation Feedback
Copyright © 2001–2015, Texas Instruments Incorporated
Product Folder Links: PCF8574



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