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ADP5589CP-EVALZ Datasheet(PDF) 4 Page - Analog Devices

Part No. ADP5589CP-EVALZ
Description  Keypad Decoder and I/O Expansion
Download  52 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP5589CP-EVALZ Datasheet(HTML) 4 Page - Analog Devices

 
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ADP5589
Data Sheet
Rev. B | Page 4 of 52
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
Hold Time for Start/Repeated Start
tHD; STA
0.26
µs
Bus Free Time for Stop and Start Condition
tBUF
0.5
µs
Setup Time for Stop Condition
tSU; STO
0.26
µs
Data Valid Time
tVD; DAT
0.45
µs
Data Valid Acknowledge
tVD; ACK
0.45
µs
Rise Time for SCL and SDA
tR
120
ns
Fall Time for SCL and SDA
tF
120
ns
Pulse Width of Suppressed Spike
tSP
0
50
ns
Capacitive Load for Each Bus Line
CB6
550
pF
1
All limits at temperature extremes are guaranteed via correlation using standard statistical quality control (SQC). Typical values are at TA = 25°C, VDD = 1.8 V.
2
Maximum of five GPIOs active simultaneously.
3
All GPIOs active simultaneously.
4
Guaranteed by design.
5
All timers are referenced from the base oscillator and have the same ±10% accuracy.
6
CB is the total capacitance of one bus line in picofarads.
SDA
SCL
SDA
SCL
S
Sr
P
S
FIRST CLOCK CYCLE
NINTH CLOCK
NINTH CLOCK
1/
fSCL
70%
30%
70%
30%
70%
30%
70%
30%
70%
30%
70%
30%
70%
30%
tF
tF
tR
tR
tHIGH
tVD; DAT
tSU; DAT
tSU; STA
tHD; DAT
tHD; STA
tVD; ACK
tSP
tSU; STO
tBUF
tLOW
tHD; STA
VIL = 0.3VDD
VIH = 0.7VDD
Figure 2. I2C Interface Timing Diagram


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