M24256-BWMN6TP STMicroelectronics, M24256-BWMN6TP Datasheet - Page 11

• Manufacturer Part Number: M24256-BWMN6TP
• Description: IC EEPROM 256KBIT 400KHZ 8SOIC
• Manufacturer: STMicroelectronics

Specifications of M24256-BWMN6TP

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 256K (32K x 8)
• Speed: 400kHz
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-SOIC (3.9mm Width)
• Density: 256Kb
• Interface Type: Serial (I2C)
• Organization: 32Kx8
• Access Time (max): 900ns
• Frequency (max): 400KHz
• Write Protection: Yes
• Data Retention: 40Year
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: SOIC
• Operating Temp Range: -40C to 85C
• Supply Current: 5mA
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 8
• Maximum Clock Frequency: 0.4 MHz
• Access Time: 900 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.5 V
• Maximum Operating Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 2.5 V, 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8623-2; M24256-BWMN6TP

M24256-BF, M24256-BR, M24256-BW, M24256-DR
Figure 7.
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.
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 (M24256-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 21
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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