參數資料
型號: K5A3240YT
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: Multi-Chip Package MEMORY 32M Bit (4Mx8/2Mx16) Dual Bank NOR Flash Memory / 4M(512Kx8/256Kx16) Full CMOS SRAM
中文描述: 多芯片封裝存儲器32兆位(4Mx8/2Mx16)雙銀行NOR閃存/分(512Kx8/256Kx16)全CMOS SRAM的
文件頁數: 35/45頁
文件大小: 867K
代理商: K5A3240YT
MCP MEMORY
K5A3x40YT(B)C
Revision 0.0
November 2002
- 40 -
Preliminary
Block Group Protect & Unprotect Operations
Flash SWITCHING WAVEFORMS
CEF
Temporary Block Group Unprotect
Program or Erase Command Sequence
RESET
WE
tRSP
RY/BY
tVID
VID
Vss,VIL,
or VIH
Vss,VIL,
or VIH
tRRB
tVID
BGA,A6
A1,A0
RESET
CEF
WE
DATA
OE
Vss,VIL,
60H
40H
Status*
Block Group Protect / Unprotect
Verify
1
s
Block Group Protect:150
s
Block Group UnProtect:15ms
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)
RY/BY
VID
Valid
tBUSY
tRB
or VIH
Vss,VIL,
or VIH
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