AT45DB011D-SH-B Atmel, AT45DB011D-SH-B Datasheet - Page 39
![IC FLASH 1MBIT 66MHZ 8SOIC](/photos/6/50/65032/453-8-soic_sml.jpg)
AT45DB011D-SH-B
Manufacturer Part Number
AT45DB011D-SH-B
Description
IC FLASH 1MBIT 66MHZ 8SOIC
Manufacturer
Atmel
Datasheet
1.AT45DB011D-SSH-T.pdf
(52 pages)
Specifications of AT45DB011D-SH-B
Format - Memory
FLASH
Memory Type
DataFLASH
Memory Size
1M (512 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
Interface Type
SPI
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Maximum Operating Current
25 mA
Mounting Style
SMD/SMT
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
3639H–DFLASH–04/09
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
PAGE PROGRAM
X···X, BFA8
BUFFER (256/264 BYTES)
MAIN MEMORY
FLASH MEMORY ARRAY
BUFFER TO
BUFFER
I/O INTERFACE
WRITE
PA8-7
Starts self-timed erase/program operation
BFA7-0
SI
A16-A8 + 8 DON'T CARE BITS
BINARY PAGE SIZE
n
PA6-0, X
Completes writing into the buffer
n+1
XXXX XX
n = 1st byte read
n+1 = 2nd byte read
Last Byte
39