AT45DB041D-SSU Atmel, AT45DB041D-SSU Datasheet - Page 40
![IC FLASH 4MBIT 66MHZ 8SOIC](/photos/6/50/65032/453-8-soic_sml.jpg)
AT45DB041D-SSU
Manufacturer Part Number
AT45DB041D-SSU
Description
IC FLASH 4MBIT 66MHZ 8SOIC
Manufacturer
Atmel
Specifications of AT45DB041D-SSU
Format - Memory
FLASH
Memory Type
DataFLASH
Memory Size
4M (2048 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 (3.9mm Width)
Density
4Mb
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
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
Architecture
Sectored
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 8
Memory Configuration
2048 Pages X 256 Bytes
Clock Frequency
50MHz
Supply Voltage Range
2.7V To 3.6V
Memory Case Style
SOIC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT45DB041D-SSU
Manufacturer:
ATMEL
Quantity:
12 000
Part Number:
AT45DB041D-SSU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
AT45DB041D-SSU-2.5
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
22. Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
22.1
22.2
40
SI (INPUT)
Buffer Write
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
CS
AT45DB041D
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
PA10-7
Starts self-timed erase/program operation
BFA7-0
SI
A18-A8 + 8 DON'T CARE BITS
BINARY PAGE SIZE
n
PA6-0, X
Completes writing into selected buffer
n+1
XXXX XX
n = 1st byte read
n+1 = 2nd byte read
Last Byte
3595P–DFLASH–09/09