m24256-bw STMicroelectronics, m24256-bw Datasheet - Page 11

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

M24512-Dx, M24512-x, M24256-Bx
Figure 7.
Table 3.
1. The most significant bit, b7, is sent first.
2. E0, E1 and E2 are compared against the respective external pins on the memory device.
Table 4.
1. The most significant bit, b7, is sent first.
2. E0, E1 and E2 are compared against the respective external pins on the memory device.
Device select code
Device select code
SCL
SDA
SCL
SDA
SCL
SDA
condition
I
Device select code (for memory array)
Device select code to access the Identification page (M24512-DR only)
2
Start
C bus protocol
MSB
condition
1
Start
MSB
1
b7
b7
1
1
Device type identifier
Device type identifier
2
Doc ID 6757 Rev 15
2
b6
b6
0
0
Input
SDA
3
3
b5
b5
1
1
Change
SDA
(1)
(1)
b4
b4
0
1
7
7
Chip Enable address
Chip Enable address
b3
E2
b3
E2
8
8
E1
E1
b2
b2
ACK
Signal description
9
condition
ACK
Stop
9
b1
E0
b1
E0
(2)
(2)
condition
Stop
AI00792c
RW
RW
RW
RW
b0
b0
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