M25PE40-VMP6G NUMONYX, M25PE40-VMP6G Datasheet - Page 21

• Manufacturer Part Number: M25PE40-VMP6G
• Description: MEMORY, FLASH, SERIAL, 4MB, 8VFQFPN
• Manufacturer: NUMONYX

Specifications of M25PE40-VMP6G

• Memory Size: 4Mbit
• Clock Frequency: 75MHz
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: VFQFPN
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Package / Case: VFQFPN
• Memory Type: Flash
• Memory Configuration: 512K X 8
• Interface Type: Serial, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS 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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