S29WS128J SPANSION, S29WS128J Datasheet - Page 27

• Manufacturer Part Number: S29WS128J
• Description: (S29WS064J / S29WS128J) Burst Mode Flash Memory
• Manufacturer: SPANSION

June 24, 2005 S29WS-J_00_A4
Dynamic Protection Bits
No
D a t a
Program PPB Bit.
Figure 2. PPB Program/Erase Algorithm
Read Byte Twice
Read Byte Twice
Command Set.
Addr = SA0
Addr = SA0
Issue Reset
Enter PPB
Addr = BA
Addr = SA
Command
DQ5 = 1?
Toggle?
Toggle?
DQ6 =
DQ6 =
S h e e t
FAIL
S29WS128J/064J
Yes
Yes
Yes
Command Set
No
No
Exit PPB
No
Wait 500 µs
Read Byte.
'0' (Pgm.)?
Addr = SA
'1' (Erase)
DQ0 =
PASS
Yes
27