SST39LF020-45-4C-B3K Microchip Technology, SST39LF020-45-4C-B3K Datasheet - Page 17

• Manufacturer Part Number: SST39LF020-45-4C-B3K
• Description: Flash 128K X 8 45ns
• Manufacturer: Microchip Technology

Specifications of SST39LF020-45-4C-B3K

• Data Bus Width: 8 bit
• Memory Type: NOR
• Memory Size: 2 Mbit
• Architecture: Sectored
• Interface Type: Parallel
• Access Time: 45 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Current: 20 mA
• Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: TFBGA-48
• Organization: 256 KB x 8
• Lead Free Status / Rohs Status: No

512 Kbit / 1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39LF512 / SST39LF010 / SST39LF020 / SST39LF040
SST39VF512 / SST39VF010 / SST39VF020 / SST39VF040
©2010 Silicon Storage Technology, Inc.
FIGURE 19: Software ID Command Flowcharts
Command Sequence
Software ID Entry
Read Software ID
Address: 2AAAH
Address: 5555H
Address: 5555H
Load data: AAH
Load data: 55H
Load data: 90H
Wait T IDA
Address: 2AAAH
Return to normal
Address: 5555H
Address: 5555H
Load data: AAH
Load data: F0H
Load data: 55H
Wait T IDA
operation
17
Reset Command Sequence
Software ID Exit &
Return to normal
Load data: F0H
Address: XXH
Wait T IDA
operation
1150 F15.2
S71150-14-000
Data Sheet
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