AT45DB011D-MH-T Atmel, AT45DB011D-MH-T Datasheet - Page 39

• Manufacturer Part Number: AT45DB011D-MH-T
• Description: IC FLASH 1MBIT 66MHZ 8UDFN
• Manufacturer: Atmel

Specifications of AT45DB011D-MH-T

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 1M (512 pages x 264 bytes)
• Speed: 66MHz
• Interface: SPI, RapidS
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-UDFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

22. Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
22.1
22.2
3639H–DFLASH–04/09
SI (INPUT)
Buffer Write
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
CS
SI (INPUT)
CS
represents 8 bits
PAGE (256/264 BYTES)
Each transition
CMD
X
16 DON'T CARE + BFA7-BFA0
CMD
BINARY PAGE SIZE
PAGE PROGRAM
X···X, BFA8
BUFFER (256/264 BYTES)
MAIN MEMORY
FLASH MEMORY ARRAY
BUFFER TO
BUFFER
I/O INTERFACE
WRITE
PA8-7
Starts self-timed erase/program operation
BFA7-0
SI
A16-A8 + 8 DON'T CARE BITS
BINARY PAGE SIZE
n
PA6-0, X
Completes writing into the buffer
n+1
XXXX XX
n = 1st byte read
n+1 = 2nd byte read
Last Byte
39