AT45DB081D-SU Atmel, AT45DB081D-SU Datasheet - Page 40
![IC FLASH 8MBIT 66MHZ 8SOIC](/photos/6/50/65032/453-8-soic_sml.jpg)
AT45DB081D-SU
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT45DB081D-SU
Manufacturer:
ATMEL
Quantity:
750
Company:
Part Number:
AT45DB081D-SU
Manufacturer:
ATMEL
Quantity:
8
Part Number:
AT45DB081D-SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT45DB081D-SU-2.5
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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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