AT45DB081D-SU Atmel, AT45DB081D-SU Datasheet - Page 39

• Manufacturer Part Number: AT45DB081D-SU
• Description: IC FLASH 8MBIT 66MHZ 8SOIC
• Manufacturer: Atmel

Specifications of AT45DB081D-SU

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 8M (4096 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-SOIC (5.3mm Width), 8-SOP, 8-SOEIAJ
• Architecture: Sectored
• Interface Type: SPI
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 15 mA
• Mounting Style: SMD/SMT
• Organization: 64 KB x 16
• Memory Configuration: 4096 Pages X 264 Bytes
• Clock Frequency: 50MHz
• Supply Voltage Range: 2.5V To 3.6V, 2.7V To 3.6V
• Rohs Compliant: Yes
• 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
3596M–DFLASH–5/10
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
X···X, BFA8
PAGE PROGRAM
BUFFER (256-/264-BYTES)
MAIN MEMORY
FLASH MEMORY ARRAY
BUFFER TO
BUFFER
I/O INTERFACE
WRITE
PA10-7
Starts self-timed erase/program operation
BFA7-0
SI
A19-A8 + 8 DON'T CARE BITS
BINARY PAGE SIZE
n
PA6, X
Completes writing into selected buffer
n+1
Atmel AT45DB081D
XXXX XX
n = 1st byte read
n+1 = 2nd byte read
Last Byte
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