AD7879(Rev0) 데이터 시트보기 (PDF) - Analog Devices
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AD7879 Datasheet PDF : 36 Pages
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AD7879
I2C TIMING SPECIFICATIONS (AD7879-1)
TA = −40°C to +85°C; VCC = 1.6 V to 3.6 V, unless otherwise noted. Sample tested at 25°C to ensure compliance. All input signals are
timed from a voltage level of 1.4 V.
Table 3.
Parameter1
fSCLK
t1
t2
t3
t4
t5
t6
t7
t8
tR
tF
Limit
400
0.6
1.3
0.6
100
300
0.6
0.6
1.3
300
300
Unit
kHz max
μs min
μs min
μs min
ns min
ns min
μs min
μs min
μs min
ns max
ns max
Description
Start condition hold time, tHD; STA
Clock low period, tLOW
Clock high period, tHIGH
Data setup time, tSU; DAT
Data hold time, tHD; DAT
Stop condition setup time, tSU; STO
Start condition setup time, tSU; STA
Bus free time between stop and start conditions, tBUF
Clock/data rise time
Clock/data fall time
1 Guaranteed by design, not production tested.
SCL
t2
tR
t1
t5
SDA
t8
STOP START
tF
t3
t4
t1
t7
START
Figure 3. Detailed I2C Timing Diagram
t6
STOP
Rev. 0 | Page 5 of 36
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