25WF040B-40I/SNSpecial-Memory, 4 Mb (512 K x 8), 1,65 … 1,95 V, USON-8

SST25WF040B is a member of the Serial Flash 25 Series family and feature a four-wire, SPI-compatible interface that allows for a low pin-count package which occupies less board space and ultimately lowers total system costs. SPI serial flash memory is manufactured with proprietary, high-performance 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 - 1.65-1.95V
• Serial Interface Architecture - SPI Compatible: Mode 0 and Mode 3
• High Speed Clock Frequency up to 40MHz
• Dual Input/Output Support - Fast-Read Dual-Output Instruction (3BH) - Fast-Read Dual I/O Instruction (BBH)
• Superior Reliability - Endurance: 100,000 Cycles - Greater than 20 years Data Retention
• Ultra-Low Power Consumption: - Active Read Current: 4 mA (typical) - Standby Current: 10 ?A (typical) - Power-down Mode Standby Current: 4 ?A (typical)
• Flexible Erase Capability - Uniform 4 KByte sectors - Uniform 64 KByte overlay blocks
• Page Program Mode up to 256 Bytes/Page
• End-of-Write Detection with Software polling the BUSY bit in Status Register
• Hold Pin (HOLD#) to Suspend a serial sequence without deselecting the device
• Software Write Protection- Write protection through Block-Protection bits in status register
• Temperature Range: -40°C to +85°C
• Packages Available - 8-lead SOIC (150 mils) - 8-contact USON (2mm x 3mm)
• All devices are RoHS compliant