m24256-bw STMicroelectronics, m24256-bw Datasheet - Page 10

• Manufacturer Part Number: m24256-bw
• Description: 512 Kbit And 256 Kbit Serial I?c Bus Eeprom With Three Chip Enable Lines
• Manufacturer: STMicroelectronics

Signal description
10/41
Figure 5.
Figure 6.
100
10
1
10
100
10
1
10
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)
Bus line capacitor (pF)
100
C
Doc ID 6757 Rev 15
= 400 kHz): maximum R
C
= 1 MHz): maximum R
100
bus
bus
1000
)
)
f
(max possible value)
time constant R
must be less than 270 ns
time constant R
must be less than 100 ns
f
(min possible value)
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
M24512-Dx, M24512-x, M24256-Bx
LOW
LOW
bus
bus
bus
= 400 ns,
= 700 ns
x C
x C
bus
value versus
bus
bus
value versus
I²C bus
master
I²C bus
master
SCL
SDA
SCL
SDA
V
CC
V
R
C
CC
bus
bus
R
C
bus
bus
ai14796
M24xxx
ai14795c
M24xxx