Preliminary
K5A3x80YT(B)C
MCP MEMORY
Flash SWITCHING WAVEFORMS
Block Group Protect & Unprotect Operations
VID
RESET
Vss,VIL,
or VIH
Vss,VIL,
or VIH
BGA,A6
A1,A0
Valid
Valid
Verify
40H
Valid
Block Group Protect / Unprotect
DATA
Status*
60H
60H
Block Group Protect:150ms
Block Group UnProtect:15ms
1ms
CE
F
WE
tRB
OE
tBUSY
RY/BY
NOTES: Block Group Protect (A6=VIL , A1=VIH , A0=VIL) , Status=01H
Block Group Unprotect (A6=VIH , A1=VIH, A0=VIL) , Status=00H
BGA = Block Group Address (A12 ~ A20)
Temporary Block Group Unprotect
VID
RESET
Vss,VIL,
or VIH
Vss,VIL,
or VIH
CE
F
WE
Program or Erase Command Sequence
tVID
tRSP
tRRB
tVID
RY/BY
Revision 0.0
November 2002
- 40 -
SAMSUNG [ SAMSUNG ]
