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PCA9534A датащи(PDF) 18 Page - Texas Instruments

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номер детали PCA9534A
подробное описание детали  REMOTE 8-BIT I2C AND SMBus LOW-POWER I/O EXPANDER WITH INTERRUPT OUTPUT AND CONFIGURATION REGISTERS
PDF  39 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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PCA9534A датащи(HTML) 18 Page - Texas Instruments

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RL = 1 kΩ
VCC
CL = 50 pF
(see Note A)
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)
Three 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
I2C address
2, 3
P-port data
PCA9534A
SCPS141F – SEPTEMBER 2006 – REVISED JUNE 2010
www.ti.com
PARAMETER MEASUREMENT INFORMATION
A.
CL includes probe and jig capacitance.
B.
All inputs are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 Ω, tr/tf ≤ 30 ns.
C.
All parameters and waveforms are not applicable to all devices.
Figure 10. I2C Interface Load Circuit and Voltage Waveforms
18
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Copyright © 2006–2010, Texas Instruments Incorporated
Product Folder Link(s): PCA9534A



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