M25PE40-VMW6TG Micron Technology Inc, M25PE40-VMW6TG Datasheet - Page 22

• 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

Instructions
6.2
22/62
Write Disable (WRDI)
The Write Disable (WRDI) instruction
The Write Disable (WRDI) instruction is entered by driving Chip Select (S) Low, sending the
instruction code, and then driving Chip Select (S) High.
The Write Enable Latch (WEL) bit is reset under the following conditions:
Figure 8.
Power-up
Write Disable (WRDI) instruction completion
Page Write (PW) instruction completion
Page Program (PP) instruction completion
Write Status Register (WRSR) instruction completion
Write to Lock Register (WRLR) instruction completion
Page Erase (PE) instruction completion
Subsector Erase (SSE) instruction completion
Sector Erase (SE) instruction completion
Bulk Erase (BE) instruction completion
Write Disable (WRDI) instruction sequence
S
C
D
Q
High Impedance
0
(Figure
1
2
Instruction
3
8) resets the Write Enable Latch (WEL) bit.
4
5
6
7
AI03750D
M25PE40