AT45DB041D-SU-SL954

4M bit, Serial-Interface Flash with Two 264-Byte SRAM Buffers

Memory Size: 4 Mbit
Maximum Clock Frequency: 66 MHz
Interface Type: SPI
Organisation: 512 k x 8
Page Size: 256 Bytes (Typ: SL954)
Timing Type: Synchronous
Data Bus Width: 8 bit
Supply Voltage - Min: 2.7 V
Supply Voltage - Max: 3.6 V
Supply Current - Max: 15 mA
Minimum Operating Temperature: - 40 C
Maximum Operating Temperature: + 85 C
Memory Type: NOR

data sheet: AT45DB041.pdf