M24128BF 데이터 시트보기 (PDF) - STMicroelectronics
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M24128BF Datasheet PDF : 39 Pages
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Signal description
M24128, M24C64, M24C32
Figure 5. Maximum RP value versus bus parasitic capacitance (C) for an I2C bus
100
10
1
10
100
Bus line capacitor (pF)
Figure 6. I2C bus protocol
fC = 400 kHz, tLOW = 1.3 µs
Rbus x Cbus time
constant must be less than
500 ns
VCC
Rbus
1000
I²C bus
master
SCL
SDA
M24xxx
Cbus
ai14796
SCL
SDA
Start
Condition
SDA
Input
SDA
Change
Stop
Condition
SCL
SDA
1
2
3
MSB
Start
Condition
SCL
SDA
1
2
3
MSB
7
8
9
ACK
7
8
9
ACK
Stop
Condition
AI00792B
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