參數(shù)資料
型號(hào): SST49LF080A-33-4C-WH
廠商: SILICON STORAGE TECHNOLOGY INC
元件分類: PROM
英文描述: 8 Mbit LPC Flash
中文描述: 1M X 8 FLASH 3V PROM, 11 ns, PDSO32
封裝: 8 X 14 MM, MO-142BA, TSOP1-32
文件頁數(shù): 24/49頁
文件大?。?/td> 579K
代理商: SST49LF080A-33-4C-WH
24
Data Sheet
8 Mbit LPC Flash
SST49LF080A
2003 Silicon Storage Technology, Inc.
S71235-00-000
4/03
FIGURE 9: S
ECTOR
-E
RASE
C
OMMAND
S
EQUENCE
(LPC M
ODE
)
1235 F12.0
LFRAME#
LAD[3:0]
0000b
011Xb
0101b
0101b
0101b
1010b
0101b
1010b
Tri-State
TAR
Load Address "YYYY 5555H" in 8 Clocks
Write the 1st command to the device in LPC mode.
Address1
1 Clock 1 Clock
1st Start
Write
Cycle
TAR
Sync
Data
Start next
1 Clock
1 Clock
2 Clocks
Load Data "AAH" in 2 Clocks
1111b
0000b
LCLK
LFRAME#
LAD[3:0]
0000b
011Xb
1 Clock
1010b
1010b
1010b
0101b
0010b
0101b
Tri-State
TAR
Load Address "YYYY 2AAAH" in 8 Clocks
Write the 2nd command to the device in LPC mode.
Address1
1 Clock
2nd Start
Write
Cycle
TAR
Sync
Data
Start next
1 Clock
1 Clock
2 Clocks
Load Data "55H" in 2 Clocks
1111b
0000b
LCLK
LFRAME#
LAD[3:0]
0000b
011Xb
0101b
0101b
0101b
1000b
0101b
0000b
Tri-State
TAR
Load Address "YYYY 5555H" in 8 Clocks
Write the 3rd command to the device in LPC mode.
Address1
1 Clock 1 Clock
3rd Start
Write
Cycle
TAR
Sync
Data
Start next
1 Clock
1 Clock
2 Clocks
Load Data "80H" in 2 Clocks
1111b
0000b
LCLK
LFRAME#
LAD[3:0]
0000b
011Xb
0101b
0101b
0101b
1010b
0101b
1010b
Tri-State
TAR
Load Address "YYYY 5555H" in 8 Clocks
Write the 4th command to the device in LPC mode.
Address1
1 Clock 1 Clock
4th Start
Write
Cycle
TAR
Sync
Data
Start next
1 Clock
1 Clock
2 Clocks
Load Data "AAH" in 2 Clocks
1111b
0000b
LCLK
LFRAME#
LAD[3:0]
0000b
011Xb
1010b
1010b
1010b
0101b
0010b
0101b
XXXXb
XXXXb
XXXXb
0011b
SAX
0000b
Tri-State
TAR
Load Address "YYYY 2AAA" in 8 ClocksH
Load Sector Address in 8 Clocks
Write the 5th command to the device in LPC mode.
Address1
1 Clock 1 Clock
5th
Write
Cycle
TAR
Sync
Data
Start next
1 Clock
1 Clock
2 Clocks
Load Data "55H" in 2 Clocks
Load Data “30” in 2 Clocks
1111b
0000b
LCLK
LFRAME#
LAD[3:0]
0000b
011Xb
Tri-State
TAR
Write the 6th command (target sector to be erased) to the device in LPC mode.
SAX = Sector Address
Address1
1 Clock 1 Clock
6th Start
Write
Cycle
TAR
Sync
Data
eInternal
eInternal
1 Clock
2 Clocks
1111b
0000b
CE#
CE#
CE#
CE#
CE#
LCLK
CE#
A[23:20] A[19:16]
A[23:20] A[19:16]
A[23:20] A[19:16]
A[23:20] A[19:16]
A[23:20] A[19:16]
A[23:20] A[19:16]
A[31:28] A[27:24]
A[31:28] A[27:24]
A[31:28] A[27:24]
A[31:28] A[27:24]
A[31:28] A[27:24]
A[31:28] A[27:24]
Note:
1. Address must be within memory address range specified in Table 4.
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