W49L201 Datasheet, PDF (6/23 Pages) Winbond – 256K X 8 CMOS FLASH MEMORY

Preliminary W49L201
TABLE OF COMMAND DEFINITION
COMMAND
NO. OF 1ST CYCLE 2ND CYCLE 3RD CYCLE 4TH CYCLE 5TH CYCLE 6TH CYCLE
DESCRIPTION
Cycles Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data
Read
1
AIN DOUT
Chip Erase
Sector Erase
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 10
6
5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 SA⁽³⁾ 30
Word Program
4
5555 AA 2AAA 55 5555 A0 AIN DIN
Boot Block Lockout
Product ID Entry
Product ID Exit ⁽¹⁾
Product ID Exit ⁽¹⁾
6 5555 AA 2AAA 55 5555 80 5555 AA 2AAA 55 5555 40
3 5555 AA 2AAA 55 5555 90
3 5555 AA 2AAA 55 5555 F0
1 XXXX F0
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, A16 - A12 address bits will select available sectors.
A16 - A12 = 00011, for 8Kword Parameter Block1
A16 - A12 = 00101, for 8Kword Parameter Block2
A16 - A12 = 11111,
- for 104Kword Main Memory Block when Boot Block lockout feature is activated.
- for 104Kword Main Memory Block and 8Kword Boot Block when Boot Block lockout feature is inactivated.
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