W29C040P-70B Winbond Electronics, W29C040P-70B Datasheet - Page 12

• Manufacturer Part Number: W29C040P-70B
• Manufacturer: Winbond Electronics

Specifications of W29C040P-70B

• Density: 4Mb
• Access Time (max): 70ns
• Interface Type: Parallel
• Boot Type: Bottom/Top
• Address Bus: 19b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: 0C to 70C
• Package Type: PLCC
• 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: 512K
• Supply Current: 50mA
• Mounting: Surface Mount
• Pin Count: 32
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Data Polling Acquisition Flow
Data Toggle Acquisition Flow
No
No
Data Polling
Byte Program/
Byte Program
Sector Erase
Toggle Bit
Completed
Read byte
Read same
Read DQ7
Completed
true data?
Is DQ7=
Does DQ6
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Initiated
Initiated
match?
Write
Write
byte
Yes
Yes
W29C040