AT45DB081B-CNU Atmel, AT45DB081B-CNU Datasheet - Page 26
AT45DB081B-CNU
Manufacturer Part Number
AT45DB081B-CNU
Description
IC FLASH 8MBIT 20MHZ 8CASON
Manufacturer
Atmel
Datasheet
1.AT45DB081B-CC.pdf
(33 pages)
Specifications of AT45DB081B-CNU
Format - Memory
FLASH
Memory Type
DataFLASH
Memory Size
8M (4096 pages x 264 bytes)
Speed
20MHz
Interface
SPI, 3-Wire Serial
Voltage - Supply
2.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
8-CASON
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT45DB081B-CNU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Figure 1. Algorithm for Sequentially Programming or Reprogramming the Entire Array
Notes:
26
1. This type of algorithm is used for applications in which the entire array is programmed sequentially, filling the array page-by-
2. A page can be written using either a Main Memory Page Program operation or a Buffer Write operation followed by a Buffer
3. The algorithm above shows the programming of a single page. The algorithm will be repeated sequentially for each page
AT45DB081B
page.
to Main Memory Page Program operation.
within the entire array.
MAIN MEMORY PAGE PROGRAM
THROUGH BUFFER
(82H, 85H)
START
END
provide address
and data
MEMORY PAGE PROGRAM
BUFFER TO MAIN
BUFFER WRITE
(84H, 87H)
(83H, 86H)
2225J–DFLSH–2/08