m24c32-df STMicroelectronics, m24c32-df Datasheet - Page 10

• Manufacturer Part Number: m24c32-df
• Description: 32 Kbit Serial I2c Bus Eeprom
• Manufacturer: STMicroelectronics

Signal description
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Figure 4.
Figure 5.
100
10
5
1
10
100
10
4 kΩ
1
10
Here R bus × C bus = 120 ns
I
capacitance (C
I
parasitic capacitance (C
2
2
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
bus
C
Doc ID 4578 Rev 18
bus
= 400 kHz): maximum R
)
= 150 ns
C
= 1 MHz): maximum R
bus
)
M24C32-DF, M24C32-W, M24C32-R, M24C32-F
100
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 bus parasitic
value versus bus
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