AT45DB081D-SU SL383 Atmel, AT45DB081D-SU SL383 Datasheet - Page 40

• Manufacturer Part Number: AT45DB081D-SU SL383
• Manufacturer: Atmel

Specifications of AT45DB081D-SU SL383

• Density: 8Mb
• Access Time (max): 6ns
• Interface Type: Serial (SPI)
• Boot Type: Not Required
• Address Bus: 1b
• Operating Supply Voltage (typ): 3/3.3V
• Operating Temp Range: -40C to 85C
• Package Type: SOIC EIAJ
• Program/erase Volt (typ): 2.7 to 3.6V
• Sync/async: Synchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 2.7V
• Operating Supply Voltage (max): 3.6V
• Supply Current: 15mA
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / Rohs Status: Compliant

23. Read Operations
The following block diagram and waveforms illustrate the various read sequences available.
23.1
23.2
40
SO (OUTPUT)
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
SI (INPUT)
Atmel AT45DB081D
SO (OUTPUT)
SI (INPUT)
CS
CS
BUFFER 1 (256-/264-BYTES)
MAIN MEMORY
PAGE (256-/264-BYTES)
BUFFER 1
BUFFER 1
PAGE TO
CMD
READ
ADDRESS FOR BINARY PAGE SIZE
CMD
A19-A16
PA11-7
FLASH MEMORY ARRAY
PA6-0, BA8
A15-A8
I/O INTERFACE
PA11-7
SO
A7-A0
BA7-0
MAIN MEMORY
PAGE READ
A19-A8 + 8 DON'T CARE BITS
BINARY PAGE SIZE
BUFFER 2 (256-/264-BYTES)
4 Dummy Bytes for Serial
X
PA6-0, X
Starts reading page data into buffer
MAIN MEMORY
PAGE TO
BUFFER 2
BUFFER 2
READ
X
XXXX XXXX
n
n+1
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