M25PE40-VMW6TG Micron Technology Inc, M25PE40-VMW6TG Datasheet - Page 21

• Manufacturer Part Number: M25PE40-VMW6TG
• Manufacturer: Micron Technology Inc

Specifications of M25PE40-VMW6TG

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 15ns
• Interface Type: Serial (SPI)
• Boot Type: Not Required
• Address Bus: 1b
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: SOIC W
• Sync/async: Synchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 8mA
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / Rohs Status: Compliant

M25PE40
6.1
Write Enable (WREN)
The Write Enable (WREN) instruction
The Write Enable Latch (WEL) bit must be set prior to every Page Write (PW), Page
Program (PP), Page Erase (PE), and Sector Erase (SE) instruction.
The Write Enable (WREN) instruction is entered by driving Chip Select (S) Low, sending the
instruction code, and then driving Chip Select (S) High.
Figure 7.
Write Enable (WREN) instruction sequence
S
C
D
Q
High Impedance
0
(Figure
1
2
Instruction
3
7) sets the Write Enable Latch (WEL) bit.
4
5
6
7
AI02281E
Instructions
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