M95256-DFDW6TP STMicroelectronics, M95256-DFDW6TP Datasheet - Page 16

• Manufacturer Part Number: M95256-DFDW6TP
• Description: EEPROM 256-Kbit serial SPI bus EEPROM
• Manufacturer: STMicroelectronics

Specifications of M95256-DFDW6TP

• Rohs: yes
• Memory Size: 256 Kbit
• Organization: 32768 x 8 bit
• Data Retention: 200 yr
• Maximum Clock Frequency: 20 MHz
• Maximum Operating Current: 5 mA
• Operating Supply Voltage: 1.7 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-8
• Interface Type: SPI
• Minimum Operating Temperature: - 40 C
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 1.7 V

Instructions
6
16/53
Instructions
Each instruction starts with a single-byte code, as summarized in
If an invalid instruction is sent (one not contained in
deselects itself.
Table 3.
Table 4.
1. Address bit A10 must be 0, all other address bits are Don't Care.
2. Address bit A10 must be 1, all other address bits are Don't Care.
Table 5.
1. Upper MSBs are Don’t Care.
WREN
WRDI
RDSR
WRSR
READ
WRITE
WREN
WRDI
RDSR
WRSR
READ
WRITE
Read Identification
Page
Write Identification
Page
Read Lock Status
Lock ID
Address significant bits
Instruction
Instruction
Instruction set
M95256-D instruction set
Address range bits
Write Enable
Write Disable
Read Status Register
Write Status Register
Read from Memory Array
Write to Memory Array
Reads the page dedicated to identification.
Writes the page dedicated to identification.
Reads the lock status of the Identification Page.
Locks the Identification page in read-only mode.
Write Enable
Write Disable
Read Status Register
Write Status Register
Read from Memory Array
Write to Memory Array
Doc ID 12276 Rev 19
Description
Description
M95256-W M95256-R M95256-DR M95256-DF
Table
3), the device automatically
Instruction format
Table
A14-A0
0000 0110
0000 0100
0000 0101
0000 0001
0000 0011
0000 0010
3.
(1)
1000 0011
1000 0010
1000 0011
1000 0010
Instruction
0000 0110
0000 0100
0000 0101
0000 0001
0000 0011
0000 0010
format
(1)
(1)
(2)
(2)