W29EE011-90 Winbond Electronics, W29EE011-90 Datasheet - Page 10

• Manufacturer Part Number: W29EE011-90
• Manufacturer: Winbond Electronics

Specifications of W29EE011-90

• Density: 1Mb
• Access Time (max): 90ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 17b
• 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: 128K
• Supply Current: 50mA
• Mounting: Through Hole
• Pin Count: 32
• Lead Free Status / Rohs Status: Not Compliant

7.3
7.3.1 Software Chip Erase Acquisition Flow
Notes for software chip erase:
Data Format: DQ7 − DQ0 (Hex)
Address Format: A14 − A0 (Hex)
Command Codes for Software Chip Erase
BYTE SEQUENCE
0 Write
1 Write
2 Write
3 Write
4 Write
5 Write
address 2AAA
address 2AAA
address 5555
address 5555
address 5555
Load data AA
Load data 10
address 5555
Load data 55
Load data 80
Pause 50 mS
Load data 55
Load data AA
- 10 -
Exit
ADDRESS
to
to
to
to
to
to
2AAAH
2AAAH
5555H
5555H
5555H
5555H
W29EE011
DATA
AAH
AAH
55H
80H
55H
10H