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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SST39LF010 датащи(PDF) 10 Page - Microchip Technology |
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SST39LF010 датащи(HTML) 10 Page - Microchip Technology |
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10 / 28 page  ©2012 Silicon Storage Technology, Inc. DS25023B 06/13 10 1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash SST39LF010 / SST39LF020 / SST39LF040 SST39VF010 / SST39VF020 / SST39VF040 Data Sheet Operations Table 3: Operation Modes Selection Mode CE# OE# WE# DQ Address Read VIL VIL VIH DOUT AIN Program VIL VIH VIL DIN AIN Erase VIL VIH VIL X1 1. X can be VIL or VIH, but no other value. Sector address, XXH for Chip-Erase Standby VIH X X High Z X Write Inhibit X VIL X High Z/ DOUT X XX VIH High Z/ DOUT X Product Identification Software Mode VIL VIL VIH See Table 4 T3.4 25023 Table 4: Software Command Sequence Command Sequence 1st Bus Write Cycle 2nd Bus Write Cycle 3rd Bus Write Cycle 4th Bus Write Cycle 5th Bus Write Cycle 6th Bus Write Cycle Addr1 1. Address format A14-A0 (Hex), Addresses AMS-A15 can be VIL or VIH, but no other value, for the Command sequence. AMS = Most significant address AMS = A16 for SST39LF/VF010, A17 for SST39LF/VF020, and A18 for SST39LF/VF040 Data Addr1 Data Addr1 Data Addr1 Data Addr1 Data Addr1 Data Byte-Program 5555H AAH 2AAAH 55H 5555H A0H BA2 2. BA = Program Byte address Data Sector-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H SAX3 3. SAX for Sector-Erase; uses AMS-A12 address lines 30H Chip-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H 5555H 10H Software ID Entry4,5 4. The device does not remain in Software Product ID mode if powered down. 5. With AMS-A1 = 0; SST Manufacturer’s ID = BFH, is read with A0 = 0, SST39LF/VF010 Device ID = D5H, is read with A0 = 1, SST39LF/VF020 Device ID = D6H, is read with A0 = 1, SST39LF/VF040 Device ID = D7H, is read with A0 = 1. 5555H AAH 2AAAH 55H 5555H 90H Software ID Exit6 6. Both Software ID Exit operations are equivalent XXH F0H Software ID Exit6 5555H AAH 2AAAH 55H 5555H F0H T4.2 25023 |
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