SST49LF080A-33-4C-NHE-T Microchip Technology, SST49LF080A-33-4C-NHE-T Datasheet - Page 24

• Manufacturer Part Number: SST49LF080A-33-4C-NHE-T
• Description: 3.0V To 3.6V 8Mbit LPC Firmware Flash 32 PLCC T/R
• Manufacturer: Microchip Technology

Specifications of SST49LF080A-33-4C-NHE-T

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 8M (1M x 8)
• Speed: 33MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 32-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheet
©2006 Silicon Storage Technology, Inc.
FIGURE 10: Sector-Erase Command Sequence (LPC Mode)
LFRAME#
LFRAME#
LFRAME#
LFRAME#
LFRAME#
LFRAME#
LAD[3:0]
LAD[3:0]
LAD[3:0]
LAD[3:0]
LAD[3:0]
LAD[3:0]
LCLK
LCLK
LCLK
LCLK
LCLK
LCLK
CE#
CE#
CE#
CE#
CE#
CE#
Note: 1. Address must be within memory address range specified in Table 4.
6th Start
3rd Start
1st Start
2nd Start
1 Clock 1 Clock
1 Clock 1 Clock
1 Clock 1 Clock
4th Start
0000b
1 Clock 1 Clock
1 Clock 1 Clock
0000b 011Xb
5th
0000b
0000b 011Xb
0000b
1 Clock 1 Clock
0000b 011Xb
Memory
011Xb
Memory
Memory
Memory
Write
Cycle
Memory
011Xb
Write
Cycle
011Xb
Write
Cycle
Write
Cycle
Cycle
Memory
Write
Write
Cycle
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]
Load Address "YYYY 5555H" in 8 Clocks
Load Address "YYYY 2AAA" in 8 ClocksH
Load Address "YYYY 5555H" in 8 Clocks
Load Address "YYYY 2AAAH" in 8 Clocks
Write the 6th command (target sector to be erased) to the device in LPC mode.
SA X = Sector Address
Load Address "YYYY 5555H" in 8 Clocks
Load Sector Address in 8 Clocks
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]
Write the 3rd command to the device in LPC mode.
Write the 1st command to the device in LPC mode.
Write the 5th command to the device in LPC mode.
Write the 2nd command to the device in LPC mode.
Address 1
Address 1
Address 1
Address 1
Write the 4th command to the device in LPC mode.
Address 1
Address 1
0101b
SA X
0010b
0010b
0101b
0101b
XXXXb XXXXb
0101b
24
1010b
1010b
0101b
0101b
0101b
1010b
0101b
1010b
0101b
XXXXb
0101b
1010b
1010b
0101b
Load Data "80H" in 2 Clocks
0101b
Load Data "AAH" in 2 Clocks
Load Data "55H" in 2 Clocks
Load Data “30” in 2 Clocks
Load Data "55H" in 2 Clocks
Load Data "AAH" in 2 Clocks
0000b
0000b
0101b
1010b
0101b
1010b
Data
Data
Data
Data
Data
Data
1000b
0011b
0101b
1010b
0101b
1010b
1111b
1111b
1111b
1111b
1111b
1111b
2 Clocks
2 Clocks
2 Clocks
2 Clocks
2 Clocks
TAR
2 Clocks
TAR
TAR
TAR
TAR
TAR
Tri-State
Tri-State
Tri-State
Tri-State
Tri-State
Tri-State
1 Clock
1 Clock
1 Clock
1 Clock
1 Clock
0000b
Sync
0000b
0000b
Sync
1 Clock
Sync
0000b
Sync
0000b
Sync
Sync
0000b
8 Mbit LPC Flash
TAR
TAR
TAR
TAR
TAR
TAR
SST49LF080A
Command
Start next
erase start
Command
Command
Start next
Internal
S71235-02-000
1 Clock
Command
Start next
erase start
Command
1235 F12.0
Start next
Start next
1 Clock
1 Clock
1 Clock
Internal
1 Clock
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