SST39VF400A-45-4I-B3K Ver la hoja de datos (PDF) - Silicon Storage Technology

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componentes Descripción

Fabricante

SST39VF400A-45-4I-B3K

2 Mbit / 4 Mbit / 8 Mbit (x16) Multi-Purpose Flash

Silicon Storage Technology 

Data Sheet

2 Mbit / 4 Mbit / 8 Mbit Multi-Purpose Flash

SST39LF200A / SST39LF400A / SST39LF800A

SST39VF200A / SST39VF400A / SST39VF800A

CFI Query Entry

Command Sequence

Load data: XXAAH

Address: 5555H

Software ID Entry

Command Sequence

Software ID Exit/CFI Exit

Command Sequence

Load data: XXAAH

Address: 5555H

Load data: XXAAH

Address: 5555H

Load data: XXF0H

Address: XXH

Load data: XX55H

Address: 2AAAH

Load data: XX55H

Address: 2AAAH

Load data: XX55H

Address: 2AAAH

Wait TIDA

Load data: XX98H

Address: 5555H

Load data: XX90H

Address: 5555H

Load data: XXF0H

Address: 5555H

Return to normal

operation

Wait TIDA

Wait TIDA

Wait TIDA

Read CFI data

Read Software ID

Return to normal

operation

Note: X can be VIL or VIH, but no other value.

FIGURE 19: SOFTWARE ID/CFI COMMAND FLOWCHARTS

1117 F15.4

©2003 Silicon Storage Technology, Inc.

24

S71117-07-000

11/03

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