参数资料
型号: SST49LF080A-33-4C-NHE-T
厂商: Microchip Technology
文件页数: 24/50页
文件大小: 0K
描述: IC FLASH SER LPC 8MBIT 32PLCC
标准包装: 750
系列: SST49
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 8M(1M x 8)
速度: 33MHz
接口: 并联
电源电压: 3 V ~ 3.6 V
工作温度: 0°C ~ 85°C
封装/外壳: 32-LCC(J 形引线)
供应商设备封装: 32-PLCC
包装: 带卷 (TR)
8 Mbit LPC Flash
A Microchip Technology Company
SST49LF080A
Data Sheet
CE#
LCLK
LFRAME#
1st Start
Memory
Write
Cycle
Address1
Data
TAR
Sync
Start next
Command
LAD[3:0]
0000b
011Xb
A[31:28] A[27:24] A[23:20] A[19:16]
0101b
0101b
0101b
0101b
1010b
1010b
1111b
Tri-State 0000b
TAR
1 Clock 1 Clock
Load Address YYYY 5555H in 8 Clocks
Load Data AAH in 2 Clocks 2 Clocks
1 Clock
1 Clock
Write the 1st command to the device in LPC mode.
CE#
LCLK
LFRAME#
2nd Start
Memory
Write
Cycle
Address1
Data
TAR
Sync
Start next
Command
LAD[3:0]
0000b
011Xb
A[31:28] A[27:24] A[23:20] A[19:16]
0010b
1010b
1010b
1010b
0101b
0101b
1111b
Tri-State 0000b
TAR
1 Clock
1 Clock
Load Address YYYY 2AAAH in 8 Clocks
Load Data 55H in 2 Clocks
2 Clocks
1 Clock
1 Clock
Write the 2nd command to the device in LPC mode.
CE#
LCLK
LFRAME#
3rd Start
Memory
Write
Cycle
Address1
Data
TAR
Sync
Start next
Command
LAD[3:0]
0000b
011Xb
A[31:28] A[27:24] A[23:20] A[19:16]
0101b
0101b
0101b
0101b
0000b
1000b
1111b
Tri-State 0000b
TAR
1 Clock 1 Clock
Load Address YYYY 5555H in 8 Clocks
Load Data 80H in 2 Clocks
2 Clocks
1 Clock
1 Clock
Write the 3rd command to the device in LPC mode.
CE#
LCLK
LFRAME#
4th Start
Memory
Write
Cycle
Address1
Data
TAR
Sync
Start next
Command
LAD[3:0]
0000b
011Xb
A[31:28] A[27:24] A[23:20] A[19:16]
0101b
0101b
0101b
0101b
1010b
1010b
1111b
Tri-State
0000b
TAR
1 Clock 1 Clock
Load Address YYYY 5555H in 8 Clocks
Load Data AAH in 2 Clocks 2 Clocks
1 Clock
1 Clock
Write the 4th command to the device in LPC mode.
CE#
LCLK
LFRAME#
5th
Memory
Write
Cycle
Address1
Data
TAR
Sync
Start next
Command
LAD[3:0]
0000b
011Xb
A[31:28] A[27:24] A[23:20] A[19:16]
0010b
1010b
1010b
1010b
0101b
0101b
1111b
Tri-State
0000b
TAR
1 Clock 1 Clock
Load Address YYYY 2AAA in 8 ClocksH
Load Data 55H in 2 Clocks
2 Clocks
1 Clock
1 Clock
Write the 5th command to the device in LPC mode.
CE#
LCLK
Internal
erase start
LFRAME#
6th Start
Memory
Write
Cycle
Address1
Data
TAR
Sync
Internal
erase start
LAD[3:0]
0000b
011Xb
A[31:28] A[27:24] A[23:20] A[19:16]
SAX
XXXXb
XXXXb XXXXb
0000b
0011b
1111b
Tri-State
0000b
TAR
1 Clock 1 Clock
Load Sector Address in 8 Clocks
Load Data “30” in 2 Clocks
2 Clocks
1 Clock
Write the 6th command (target sector to be erased) to the device in LPC mode.
SAX = Sector Address
Figure 10: Sector-Erase Command Sequence (LPC Mode)
1235 F12.0
?2011 Silicon Storage Technology, Inc.
24
DS25086A
11/11
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