SST49LF008A-33-4C-WIE データシートの表示（PDF） - Microchip Technology
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SST49LF008A-33-4C-WIE Datasheet PDF : 45 Pages
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A Microchip Technology Company
8 Mbit Firmware Hub
SST49LF008A
Software Command Sequence
Data Sheet
Table 9: Software Command Sequence
Command
Sequence
Byte-Program
Sector-Erase
Block-Erase
Chip-Erase6
Software ID Entry7,8
Software ID Exit9
Software ID Exit9
1st1
2nd1
3rd1
4th1
5th1
6th1
Write Cycle Write Cycle Write Cycle Write Cycle Write Cycle Write Cycle
Addr2 Data Addr2 Data Addr2 Data Addr2 Data Addr2 Data Addr2 Data
5555H AAH 2AAAH 55H 5555H A0H BA3 Data
5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H SAX4 30H
5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H BAX5 50H
5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H 5555H 10H
5555H AAH 2AAAH 55H 5555H 90H
XXH F0H
5555H AAH 2AAAH 55H 5555H F0H
T9.6 25085
1. FWH Mode uses consecutive Write cycles to complete a command sequence; PP Mode uses consecutive bus cycles to
complete a command sequence.
2. Address format A14-A0 (Hex), Addresses A21-A15 can be VIL or VIH, but no other value, for the Command sequence in
PP Mode.
3. BA = Program Byte address
4. SAX for Sector-Erase Address
5. BAX for Block-Erase Address
6. Chip-Erase is supported in PP Mode only
7. SST Manufacturer’s ID = BFH, is read with A0=0,
With A19-A1 = 0; 49LF008A Device ID = 5AH, is read with A0 = 1.
8. The device does not remain in Software Product ID mode if powered down.
9. Both Software ID Exit operations are equivalent.
©2011 Silicon Storage Technology, Inc.
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