SST49LF040 - Silicon Storage Technology

SST49LF040 4 Mbit LPC Flash

The SST49LF040 flash memory devices are designed to interface with the LPC bus for PC and Internet Appliance application in compliance with Intel Low Pin Count (LPC) Interface Specification 1.0. Two interface modes are supported by the SST49LF040: LPC mode for In-System operation and Parallel Programming (PP) mode to interface with programmer equipment. The .

Features

• LPC Interface Flash
  – SST49LF040: 512K x8 (4 Mbit)
• Conforms to Intel LPC Interface Specification 1.0
• Flexible Erase Capability
  – Uniform 4 KByte sectors
  – Uniform 64 KByte overlay blocks
  – 64 KByte Top boot block protection
  – Chip-Erase for PP Mode Only
• Single 3.0-3.6V Read and Write Operations
• Superior Reliability
  – Endurance: 100,000 Cycles (typical)
  – Greater than 100 years Data Retention
• Low Power Consumption
  – Active Read Current: 6 mA (typical)
  – Standby Current: 10 µA (typical)
• Fast Sector-Erase/Byte-Program Operation
  – Sector-Erase Time: 18 ms (typical)
  – Block-Erase Tim.