m24256-br STMicroelectronics, m24256-br Datasheet - Page 10

• Manufacturer Part Number: m24256-br
• Description: 512 Kbit And 256 Kbit Serial I2c Bus Eeprom With Three Chip Enable Lines
• Manufacturer: STMicroelectronics

Signal description
10/35
Figure 4.
Figure 5.
100
10
1
10
100
10
1
10
Maximum R
bus at maximum frequency f
Maximum R
bus at maximum frequency f
Bus line capacitor (pF)
Bus line capacitor (pF)
bus
bus
M24512-W, M24512-R, M24512-HR, M24256-BW, M24256-BR
100
value versus bus parasitic capacitance (C
value versus bus parasitic capacitance (C
100
C
C
= 400 kHz
= 1 MHz
1000
f
time constant R
must be less than 150 ns
f
time constant R
must be less than 270 ns
C
C
= 1 MHz, t
= 1 MHz, t
f C = 400 kHz, t LOW = 1.3 µs
constant must be less than
500 ns
Rbus x Cbus time
LOW
LOW
bus
bus
= 500 ns,
= 700 ns,
x C
x C
bus
bus
I²C bus
master
I²C bus
master
SCL
SDA
bus
bus
SCL
SDA
) for an I
V
) for an I
CC
V
R
C
CC
bus
bus
R
C
bus
bus
ai14796
M24xxx
ai14795
M24xxx
2
2
C
C