SST49LF004B

4 Mbit LPC Firmware Flash SST49LF004B SST49LF004B4Mb LPC Firmware memory Data Sheet FEATURES: SST49LF004B: 512K x8 (4 Mbit) Conforms to Intel LPC Interface Specification 1.1 – Supports Single-Byte LPC Memory and Firmware Memory Cycle Types Flexible Erase Capability – Uniform 4 KByte sectors – Uniform 64 KByte overlay blocks – 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 Time: 18 ms (typical) – Chip-Erase Time: 70 ms (typical) – Byte-Program Time: 14 µs (typical) – Chip Rewrite Time: 8 seconds (typical) Two Operational Modes – Low Pin Count (LPC) interface mode for in-system operation – Parallel Programming (PP) mode for fast production programming LPC Interface Mode – 5-signal LPC bus interface supporting byte Read and Write – 33 MHz clock frequency operation – WP# and TBL# pins provide hardware write protect for entire chip and/or top Boot Block – Block Locking Registers for individual block write-lock and lock-down protection – JEDEC Standard SDP Command Set – Data# Polling and Toggle Bit for End-of-Write detection – 5 GPI pins for system design flexibility – 4 ID pins for multi-chip selection Parallel Programming (PP) Mode – 11-pin multiplexed ad...