The 25 series Serial Flash family features a four-wire, SPIcompatible interface that allows for a low pin-count package which occupies less board space and ultimately lowers total system costs. The SST25PF020B devices are enhanced with improved operating frequency and even lower power consumption. SST25PF020B SPI serial flash memories are manufactured with SST proprietary, highperformance CMOS SuperFlash technology. The split-gate cell design and thick-oxide tunneling injector attain better reliability and manufacturability compared with alternate approaches.

   Single Voltage Read and Write Operations- 2.3-3.6V

   Serial Interface Architecture- SPI Compatible: Mode 0 and Mode 3

   High Speed Clock Frequency- 80 MHz (2.7-3.6V operation)- 50 MHz (2.3-2.7V operation)

   Superior Reliability- Endurance: 100,000 Cycles (typical)- Greater than 100 years Data Retention

   Low Power Consumption:- Active Read Current: 10 mA (typical)- Standby Current: 5 µA (typical)

   Flexible Erase Capability- Uniform 4 KByte sectors- Uniform 32 KByte overlay blocks- Uniform 64 KByte overlay blocks

   Fast Erase and Byte-Program:- Chip-Erase Time: 35 ms (typical)- Sector-/Block-Erase Time: 18 ms (typical)- Byte-Program Time: 7 µs (typical)

   Auto Address Increment (AAI) Programming- Decrease total chip programming time overByte-Program operations

   End-of-Write Detection- Software polling the BUSY bit in Status Register- Busy Status readout on SO pin in AAI Mode

   Hold Pin (HOLD#)- Suspends a serial sequence to the memorywithout deselecting the device

   Write Protection (WP#)- Enables/Disables the Lock-Down function ofthe status register

   Software Write Protection- Write protection through Block-Protection bitsin status register

   Temperature Range- Commercial: 0°C to +70°C

   Packages Available- 8-lead SOIC (150 mils)- 8-contact WSON (6mm x 5mm)- 8-contact USON (3mm x 2mm)

   All non-Pb (lead-free) devices are RoHS compliant