The SST34HF3223B/3243B ComboMemory devices integrate four CMOS flash memory banks with a 256K x8 / 128K x16 or 512K x8 / 256K x16 CMOS SRAM memory bank in a Multi-Chip Package (MCP).
Features
Flash Organization: Two 1M x16.
Quad-Bank Architecture for Concurrent Read-While-Write Operation.