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M24128X-FCU6/TF Folha de dados(PDF) 23 Page - STMicroelectronics

Nome de Peças M24128X-FCU6/TF
Descrição Electrónicos  128-Kbit serial I²C bus EEPROM with configurable device address and software write protection, delivered in 4-ball CSP
PDF  35 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M24128X-FCU6/TF Folha de dados(HTML) 23 Page - STMicroelectronics

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Figure 12. Maximum Rbus value vs. bus parasitic capacitance (Cbus) for an I2C bus at maximum frequency
fC = 400 kHz
1
10
100
10
100
1000
Bus line capacitor (pF)
I²C bus
master
M24xxx
Rbus
VCC
Cbus
SCL
SDA
R
bu
s ×
C
bu
s = 400
ns
Here Rbus x Cbus = 120 ns
4 k
30
The Rbus x Cbus time constant
must be below the 400 ns
time constant line represented
on the left.
Figure 13. Maximum Rbus value vs. bus parasitic capacitance (Cbus) for an I2C bus at fC = 1MHz
1
10
0
I²C bus
master
M24xxx
SCL
SDA
Here,
R
bus x C
bus = 150
ns
4
30
10
Rbus x Cbus = 120 ns
Bus line capacitor (pF)
10
100
The Rbus x Cbus time constant
Must be below the 150 ns
Time constant line
represented on the left
VCC
Rbus
Cbus
M24128X-FCU
DC and AC parameters
DS12680 - Rev 2
page 23/35



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