W27C02-70 Winbond Electronics, W27C02-70 Datasheet - Page 12

• Manufacturer Part Number: W27C02-70
• Manufacturer: Winbond Electronics

Specifications of W27C02-70

• Density: 2Mb
• Interface Type: Parallel
• Organization: 256Kx8
• Access Time (max): 70ns
• Write Protection: No
• Operating Supply Voltage (typ): 5V
• Package Type: PDIP
• Operating Temp Range: 0C to 70C
• Supply Current: 30mA
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

SMART ERASE ALGORITHM 2
Command 100mS Pulse
with Address =2AAA(Hex)
with Address = 5555(Hex)
Command 100uS Pulse
Address = First Location
Data = 10(Hex)
Data = AA(Hex)
VDD = 5V
VDD = 4.5V
FFs (HEX)
Vpp = 12V
All Bytes to
Compare
Vpp = 4.5V
Pass
Device
Start
X = 0
Pass
- 12 -
Fail
Increment X
Fail
Device
X = 20?
No
Yes
W27C02