SST39SF040-70-4C-WHE Microchip Technology, SST39SF040-70-4C-WHE Datasheet - Page 19

• Manufacturer Part Number: SST39SF040-70-4C-WHE
• Description: IC FLASH MPF 4MBIT 70NS 32TSOP
• Manufacturer: Microchip Technology

Specifications of SST39SF040-70-4C-WHE

• Memory Type: FLASH
• Memory Size: 4M (512K x 8)
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 32-TSOP
• 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: 512 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

1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39SF010A / SST39SF020A / SST39SF040
©2010 Silicon Storage Technology, Inc.
FIGURE 19: Erase Command Sequence
Command Sequence
Address: 2AAAH
Address: 2AAAH
Address: 5555H
Address: 5555H
Address: 5555H
Address: 5555H
Load data: AAH
Load data: AAH
Load data: 55H
Load data: 80H
Load data: 55H
Load data: 10H
Chip-Erase
Chip erased
Wait T SCE
to FFH
19
Command Sequence
Address: 2AAAH
Address: 2AAAH
Address: 5555H
Address: 5555H
Address: 5555H
Load data: AAH
Load data: AAH
Load data: 55H
Load data: 80H
Load data: 55H
Load data: 30H
Sector-Erase
Address: SA X
Sector erased
Wait T SE
to FFH
1147 F16.1
S71147-09-000
Data Sheet
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