4-2 Flash Memory (IC003)
The AT49LV040 are 3-volt only, 4-megabit Flash memories organized as 524,288 words of 8-bits each. - Single Voltage for Read and Write : 3.0V to 3.6V - Fast Read Access Time - 70ns - Internal Program Control and Timer - 16K Bytes Boot Block with Lockout - Fast Chip Erase Cycle Time - 10 seconds - Byte - by - Byte Programming - 30us/Byte Typical - Hardware Data Protection - Data Polling for End of Program Detection - Typical 10,000 Write Cycles
4-3 CMOS SRAM (IC004)
FEATURES - Power supply range : 2.7V to 3.6V - Access times : 55/70 ns (max.) - Full static operation, no clock or refreshing required - All inputs and outputs are directly TTL-compatible - Common I/O using three-state output - Output enable and two chip enable inputs for easy application