SST39VF400A-70-4C-Y1QE Microchip Technology, SST39VF400A-70-4C-Y1QE Datasheet - Page 24

• Manufacturer Part Number: SST39VF400A-70-4C-Y1QE
• Description: Flash 4M (256Kx16) 70ns 2.7-3.6V Commercial
• Manufacturer: Microchip Technology

Specifications of SST39VF400A-70-4C-Y1QE

• Product Category: Flash
• Rohs: yes

Data Sheet
©2010 Silicon Storage Technology, Inc.
FIGURE 20: Software ID/CFI Command Flowcharts
Command Sequence
Load data: XXAAH
Load data: XX55H
Load data: XX98H
CFI Query Entry
Address: 2AAAH
Address: 5555H
Address: 5555H
Read CFI data
Wait T IDA
Command Sequence
Software ID Entry
Load data: XXAAH
Load data: XX55H
Load data: XX90H
Read Software ID
Address: 2AAAH
Address: 5555H
Address: 5555H
Wait T IDA
Note:
X can be V IL or V IH , but no other value.
SST39VF200A / SST39VF400A / SST39VF800A
SST39LF200A / SST39LF400A / SST39LF800A
2 Mbit / 4 Mbit / 8 Mbit Multi-Purpose Flash
24
Load data: XXAAH
Load data: XX55H
Load data: XXF0H
Address: 2AAAH
Return to normal
Address: 5555H
Address: 5555H
Wait T IDA
operation
Software ID Exit/CFI Exit
Command Sequence
Load data: XXF0H
Return to normal
Address: XXH
Wait T IDA
operation
S71117-13-000
1117 F15.4
11/10