M24M01-HR 查看數據表（PDF） - STMicroelectronics
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M24M01-HR Datasheet PDF : 37 Pages
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Signal description
M24M01-R, M24M01-W, M24M01-HR
Figure 5. M24M01-R/M24M01-W – Maximum Rbus value versus bus parasitic
capacitance (Cbus) for an I2C bus at maximum frequency fC = 400 kHz
100
10
1
10
100
Bus line capacitor (pF)
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
Figure 6. M24M01-HR – Maximum Rbus value versus bus parasitic capacitance
(Cbus) for an I2C bus at maximum frequency fC = 1MHz
100
10
1
10
Bus line capacitor (pF)
fC = 1 MHz, tLOW = 700 ns
(max possible value)
time constant Rbus x Cbus
must be less than 270 ns
fC = 1 MHz, tLOW = 400 ns,
(min possible value)
time constant Rbus x Cbus
must be less than 100 ns
VCC
Rbus
I²C bus
master
SCL
SDA
M24xxx
Cbus
100
ai14795c
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Doc ID 12943 Rev 7
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