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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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SST31LF021-70-4C-WH 데이터시트(PDF) 8 Page - Silicon Storage Technology, Inc |
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SST31LF021-70-4C-WH 데이터시트(HTML) 8 Page - Silicon Storage Technology, Inc |
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8 / 24 page  8 EOL Data Sheet 2 Mbit Flash + 1 Mbit SRAM ComboMemory SST31LF021 / SST31LF021E ©2007 Silicon Storage Technology, Inc. S71137-06-EOL 05/07 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 Data Addr1 Data Addr1 Data Addr1 Data Addr1 Data Addr1 Data Byte-Program 5555H AAH 2AAAH 55H 5555H A0H BA2 Data Sector-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H SAX3 30H Bank-Erase 5555H AAH 2AAAH 55H 5555H 80H 5555H AAH 2AAAH 55H 5555H 10H Software ID Entry4,5 5555H AAH 2AAAH 55H 5555H 90H Software ID Exit 5555H AAH 2AAAH 55H 5555H F0H T4.4 1137 1. Address format A14-A0 (Hex),Address A15, A16, and A17 can be VIL or VIH, but no other value, for the Command sequence. 2. BA = Program Byte address 3. SAX for Sector-Erase; uses A17-A12 address lines 4. The device does not remain in Software Product ID mode if powered down. 5. With A17-A1 = 0; SST Manufacturer’s ID = BFH, is read with A0 = 0, SST31LF021 Device ID = 18H, is read with A0 = 1, SST31LF021E Device ID = 19H, is read with A0 = 1 Absolute Maximum Stress Ratings (Applied conditions greater than those listed under “Absolute Maximum Stress Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these conditions or conditions greater than those defined in the operational sections of this data sheet is not implied. Exposure to absolute maximum stress rating conditions may affect device reliability.) Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20°C to +85°C Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C D. C. Voltage on Any Pin to Ground Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to VDD+0.5V Transient Voltage (<20 ns) on Any Pin to Ground Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -1.0V to VDD+1.0V Package Power Dissipation Capability (Ta = 25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0W Surface Mount Lead Soldering Temperature (3 Seconds) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240°C Output Short Circuit Current1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA 1. Outputs shorted for no more than one second. No more than one output shorted at a time. OPERATING RANGE: SST31LF021/021E Range Ambient Temp VDD Commercial 0°C to +70°C 3.0-3.6V Extended -20°C to +85°C 3.0-3.6V AC CONDITIONS OF TEST Input Rise/Fall Time . . . . . . . . . . . . . . . 5 ns Output Load . . . . . . . . . . . . . . . . . . . . . CL = 30 pF See Figures 14 and 15 |
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