M50LPW040K1 Micron Technology Inc, M50LPW040K1 Datasheet - Page 32

• Manufacturer Part Number: M50LPW040K1
• Manufacturer: Micron Technology Inc

Specifications of M50LPW040K1

• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 11/50ns
• Interface Type: Parallel/Serial
• Boot Type: Top
• Address Bus: 4/11Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: 0C to 70C
• Package Type: PLCC
• Sync/async: Async/Sync
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 20mA
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Compliant

M50LPW040
Figure 19. Erase Suspend & Resume Flowchart and Pseudo Code
32/36
Erase Continues
Read data from
another block
Read Status
Write B0h
Write D0h
Write 70h
Program
Register
b7 = 1
b6 = 1
Start
or
YES
YES
NO
NO
Erase Complete
Read Data
Write FFh
Program/Erase Suspend command:
– write B0h
– write 70h
do:
– read Status Register
while b7 = 1
If b6 = 0, Erase completed
Program/Erase Resume command:
– write D0h to resume erase
– if the Erase operation completed
then this is not necessary.
The device returns to Read as
normal (as if the Program/Erase
suspend was not issued).
AI03410