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PCA8550 Datasheet(PDF) 6 Page - Texas Instruments

Part # PCA8550
Description  NONVOLATILE 5-BIT REGISTER WITH I2C INTERFACE
PDF  8 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PCA8550 Datasheet(HTML) 6 Page - Texas Instruments

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PCA8550
NONVOLATILE 5-BIT REGISTER
WITH I2C INTERFACE
SCPS050A – MARCH 1999 – REVISED APRIL 1999
6
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
DUT
RL = 1 kΩ
VO = 3.3 V
CL = 10 pF or
CL = 400 pF
GND
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
tsu
WP
2.7 V
0 V
1.5 V
1.5 V
th
0.3
× VCC
0.7
× VCC
0.3
× VCC
BYTE
DESCRIPTION
1
I2C address
2
Nonvolatile register data
Figure 1. I2C Interface Load Circuit and Voltage Waveforms



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