AT45DB161D SRAM by Atmel

Data Flash memory with SPI interface. In addition utsms memory of AT45DB161D there are 2 528-byte SRAM Data Buffers

specifications:
- Power supply: 2.7V - 3.6V
- Capacity: 16 Megabit
- Interface: SPI
- Internal RAM / SRAM: Two 528-byte SRAM Data Buffers
- Packaging: 28 Pin SOIC