W49F002U-12B Winbond Electronics, W49F002U-12B Datasheet - Page 10

• Manufacturer Part Number: W49F002U-12B
• Manufacturer: Winbond Electronics

Specifications of W49F002U-12B

• Density: 2Mb
• Access Time (max): 120ns
• Interface Type: Parallel
• Boot Type: Top
• Address Bus: 18b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PDIP
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Word Size: 8b
• Number Of Words: 256K
• Supply Current: 50mA
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

Embedded Erase Algorithm
Chip Erase Command Sequence
(Address/Command):
2AAAH/55H
5555H/AAH
2AAAH/55H
5555H/AAH
5555H/80H
5555H/10H
Write Erase Command Sequence
#Data Polling or Toggle Bit
Successfully Completed
Erasure Completed
(see below)
Start
- 10 -
Individual Sector Erase
(Address/Command):
Command Sequence
Sector Address/30H
2AAAH/55H
5555H/AAH
5555H/AAH
2AAAH/55H
5555H/80H
Pause T
EC
/T
W49F002U
SEC