w49f201 Winbond Electronics Corp America, w49f201 Datasheet - Page 6

• Manufacturer Part Number: w49f201
• Description: 128k X 16 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

TABLE OF COMMAND DEFINITION
Notes:
1. Address Format: A14 A0 (Hex); Data Format: DQ15 DQ8 (Don't Care); DQ7-DQ0 (Hex)
2. Either one of the two Product ID Exit commands can be used.
3. SA: Sector Address
Read
Chip Erase
Main Memory Erase
Word Program
Boot Block Lockout
Product ID Entry
Product ID Exit
Product ID Exit
SA = 03XXXh for Parameter Block1
SA = 05XXXh for Parameter Block2
SA = 1FXXXh
DESCRIPTION
- for Main Memory Block when Boot Block lockout feature is activated
- for both Boot Block and Main Memory Block when Boot Block lockout feature is inactivated
COMMAND
(1)
(1)
NO. OF 1ST CYCLE 2ND CYCLE 3RD CYCLE 4TH CYCLE 5TH CYCLE 6TH CYCLE
Cycles
1
6
6
4
6
3
3
1
Addr. Data
A
5555 AA
5555 AA
5555 AA
5555 AA
5555 AA
5555 AA
XXXX F0
IN
D
OUT
Addr. Data
2AAA 55
2AAA 55
2AAA 55
2AAA 55
2AAA 55
2AAA 55
- 6 -
Addr. Data
5555 A0
5555 F0
5555 80
5555 80
5555 80
5555 90
Preliminary W49F201
Addr. Data
5555 AA
5555 AA
A
5555 AA
IN
D
IN
Addr. Data
2AAA 55
2AAA 55
2AAA 55
Addr. Data
5555 10
SA
5555 40
30