Feature
- Organized as 256K x16
 - Single Voltage Read and Write Operations– 2.7-3.6V for SST39VF401C/402C– 3.0-3.6V for SST39LF401C/402C
 - Superior Reliability– Endurance: 100,000 Cycles (Typical)– Greater than 100 years Data Retention
 - Low Power Consumption (typical values at 5 MHz)– Active Current: 5 mA (typical)– Standby Current: 3 µA (typical)– Auto Low Power Mode: 3 µA (typical)
 - Hardware Block-Protection/WP# Input Pin– Top Block-Protection (top 8 KWord)– Bottom Block-Protection (bottom 8 KWord)
 - Sector-Erase Capability– Uniform 2 KWord sectors
 - Block-Erase Capability– Flexible block architecture; one 8-, two 4-, one 16-, andseven 32-KWord blocks
 - Chip-Erase Capability
 - Erase-Suspend/Erase-Resume Capabilities
 - Hardware Reset Pin (RST#)
 - Latched Address and Data
 - Security-ID Feature– SST: 128 bits; User: 128 words
 - Fast Read Access Time:– 70 ns for SST39VF401C/402C– 55 ns for SST39LF401C/402C
 - Fast Erase and Word-Program:– Sector-Erase Time: 18 ms (typical)– Block-Erase Time: 18 ms (typical)– Chip-Erase Time: 40 ms (typical)– Word-Program Time: 7 µs (typical)
 - Automatic Write Timing– Internal VPP Generation
 - End-of-Write Detection– Toggle Bits– Data# Polling– Ready/Busy# Pin
 - CMOS I/O Compatibility
 - JEDEC Standard– Flash EEPROM Pinouts and command sets
 - Packages Available– 48-lead TSOP (12mm x 20mm)– 48-ball TFBGA (6mm x 8mm)– 48-ball WFBGA (4mm x 6mm)
 - All devices are RoHS compliant
 














