M24256-BRDW6G STMICROELECTRONICS [STMicroelectronics], M24256-BRDW6G Datasheet - Page 10

• Manufacturer Part Number: M24256-BRDW6G
• Description: 512 Kbit and 256 Kbit Serial I2C bus EEPROM with three Chip Enable lines
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Signal description
10/31
Figure 5.
Table 2.
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 3.
Table 4.
Device Select Code
b15
b7
SCL
SDA
SCL
SDA
SCL
SDA
Condition
START
b14
b6
I
Device Select Code
Most Significant address Byte
Least Significant address Byte
2
C Bus Protocol
MSB
Condition
START
1
MSB
b13
b5
1
b7
1
Device Type Identifier
2
2
b6
0
b12
b4
Input
SDA
3
M24512-W, M24512-R, M24256-BW, M24256-BR
3
b5
1
Change
SDA
b11
b3
(1)
b4
0
7
7
b10
b2
Chip Enable Address
E2
b3
8
8
E1
b2
b9
b1
ACK
9
Condition
ACK
STOP
9
E0
b1
Condition
(2)
STOP
b8
b0
AI00792B
RW
RW
b0