M24256-BF STMICROELECTRONICS [STMicroelectronics], M24256-BF Datasheet - Page 10

• Manufacturer Part Number: M24256-BF
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Signal description
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Figure 5.
Figure 6.
100
10
5
1
10
100
10
4 kΩ
1
10
Here R bus × C bus = 120 ns
I
I
2
bus parasitic capacitance (C
2
bus parasitic capacitance (C
C Fast mode (f
C Fast mode Plus (f
Bus line capacitor (pF)
30 pF
Bus line capacitor (pF)
30
Here,
R
bus
100
× C
C
bus
Doc ID 6757 Rev 21
= 400 kHz): maximum R
= 150 ns
C
= 1 MHz): maximum R
M24256-BF, M24256-BR, M24256-BW, M24256-DR
100
bus
bus
When t
(max possible value for
f
time constant must be below
the 270 ns time constant line
represented on the left.
When t
(min value for f
the R
must be below the 100 ns
time constant line represented
on the left.
1000
C
= 1 MHz), the R
)
)
bus
When t
f
time constant must be below the
400 ns time constant line
represented on the left.
C
LOW
LOW
= 400 kHz), the R bus × C bus
× C
= 700 ns
= 400 ns
bus
LOW
C
time constant
= 1 MHz),
= 1.3 µs (min value for
bus
bus
× C
bus
bus
value versus
value versus
I²C bus
master
I²C bus
master
SCL
SDA
SCL
SDA
V
CC
V
R
C
CC
bus
bus
R
C
bus
bus
M24xxx
ai14795d
ai14796b
M24xxx