SST39SF020A-70-4I-NHE Microchip Technology, SST39SF020A-70-4I-NHE Datasheet - Page 18

• Manufacturer Part Number: SST39SF020A-70-4I-NHE
• Description: IC FLASH MPF 2MBIT 70NS 32PLCC
• Manufacturer: Microchip Technology

Specifications of SST39SF020A-70-4I-NHE

• Memory Type: FLASH
• Memory Size: 2M (256K x 8)
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-PLCC
• Format - Memory: FLASH
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Data Bus Width: 8 bit
• Architecture: Sectored
• Interface Type: Parallel
• Access Time: 70 ns
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Current: 25 mA
• Mounting Style: SMD/SMT
• Organization: 256 KB x 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Data Sheet
©2010 Silicon Storage Technology, Inc.
FIGURE 18: Software Product Command Flowcharts
Software Product ID Entry
Command Sequence
Read Software ID
Address: 2AAAH
Load data: AAH
Address: 5555H
Address: 5555H
Load data: 55H
Load data: 90H
Wait T IDA
SST39SF010A / SST39SF020A / SST39SF040
Address: 2AAAH
Return to normal
Address: 5555H
Address: 5555H
Load data: AAH
Load data: 55H
Load data: F0H
1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
Wait T IDA
operation
18
Reset Command Sequence
Software Product ID Exit &
Return to normal
Load data: F0H
Address: XXH
Wait T IDA
operation
1147 F15.1
S71147-09-000
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