M95256-RCS6TP/A STMicroelectronics, M95256-RCS6TP/A Datasheet - Page 17

• Manufacturer Part Number: M95256-RCS6TP/A
• Description: EEPROM 256 Kbit SPI EEPROM 20 MHz High Speed
• Manufacturer: STMicroelectronics

Specifications of M95256-RCS6TP/A

• Product Category: EEPROM
• Rohs: yes

M95256-W M95256-R M95256-DR M95256-DF
6.1
Write Enable (WREN)
The Write Enable Latch (WEL) bit must be set prior to each WRITE and WRSR instruction.
The only way to do this is to send a Write Enable instruction to the device.
As shown in
and the bits of the instruction byte are shifted in, on Serial Data Input (D). The device then
enters a wait state. It waits for the device to be deselected, by Chip Select (S) being driven
high.
Figure 8.
Figure
Write Enable (WREN) sequence
S
C
D
Q
8, to send this instruction to the device, Chip Select (S) is driven low,
Doc ID 12276 Rev 19
High Impedance
0
1
2
Instruction
3
4
5
6
7
AI02281E
Instructions
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