AT45DB642D-CU Atmel, AT45DB642D-CU Datasheet - Page 49

• Manufacturer Part Number: AT45DB642D-CU
• Description: IC FLASH MEM 64MBIT 66MHZ 24BGA
• Manufacturer: Atmel

Specifications of AT45DB642D-CU

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 64M (8192 pages x 1056 bytes)
• Speed: 66MHz
• Interface: Parallel/Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-CBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

25.4
26. Auto Page Rewrite Flowchart
Figure 26-1. Algorithm for Programming or Reprogramming of the Entire Array Sequentially
Notes:
3542K–DFLASH–04/09
Status Register Read (Opcode: D7H)
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
page.
to Main Memory Page Program operation.
within the entire array.
MAIN MEMORY PAGE PROGRAM
(OUTPUT)
THROUGH BUFFER
I/O7-I/O0
I/O7-I/O0
(INPUT)
CLK
(82H, 85H)
CS
IMPEDANCE
t
SU
HIGH
CMD
0
X
1
t
STATUS REGISTER
V
START
X
2
END
OUTPUT
DATA
provide address
3
and data
MEMORY PAGE PROGRAM
BUFFER TO MAIN
BUFFER WRITE
(84H, 87H)
(83H, 86H)
DATA
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