SST39LF512芯片具體解密特性如下:
SST39LF512 FEATURES:
? Organized as 64K x8 / 128K x8 / 256K x8 / 512K x8
? Single Voltage Read and Write Operations
– 3.0-3.6V for SST39LF512/010/020/040
– 2.7-3.6V for SST39VF512/010/020/040
? Superior Reliability
– Endurance: 100,000 Cycles (typical)
– Greater than 100 years Data Retention
? Low Power Consumption (typical values at 14 MHz)
– Active Current: 5 mA (typical)
– Standby Current: 1 μA (typical)
? Sector-Erase Capability
– Uniform 4 KByte sectors
? Fast Read Access Time:
– 45 ns for SST39LF512/010/020/040
– 55 ns for SST39LF020/040
– 70 ns for SST39VF512/010/020/040
? Latched Address and Data
? Fast Erase and Byte-Program:
– Sector-Erase Time: 18 ms (typical)
– Chip-Erase Time: 70 ms (typical)
– Byte-Program Time: 14 μs (typical)
– Chip Rewrite Time:
1 second (typical) for SST39LF/VF512
2 seconds (typical) for SST39LF/VF010
4 seconds (typical) for SST39LF/VF020
8 seconds (typical) for SST39LF/VF040
? Automatic Write Timing
– Internal VPP Generation
? End-of-Write Detection
– Toggle Bit
– Data# Polling
? CMOS I/O Compatibility
? JEDEC Standard
– Flash EEPROM Pinouts and command sets
? Packages Available
– 32-lead PLCC
– 32-lead TSOP (8mm x 14mm)
– 48-ball TFBGA (6mm x 8mm)
– 34-ball WFBGA (4mm x 6mm) for 1M and 2M
? All de
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