AT45DB321D-SU Atmel, AT45DB321D-SU Datasheet - Page 41
![IC FLASH 32MBIT 66MHZ 8SOIC](/photos/6/50/65032/453-8-soic_sml.jpg)
AT45DB321D-SU
Manufacturer Part Number
AT45DB321D-SU
Description
IC FLASH 32MBIT 66MHZ 8SOIC
Manufacturer
Atmel
Datasheet
1.AT45DB321D-MU.pdf
(57 pages)
Specifications of AT45DB321D-SU
Format - Memory
FLASH
Memory Type
DataFLASH
Memory Size
32M (8192 pages x 528 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
Package
8SOIC EIAJ
Density
32 Mb
Architecture
Sectored
Block Organization
Symmetrical
Typical Operating Supply Voltage
3.3 V
Sector Size
64KByte x 64
Timing Type
Synchronous
Interface Type
Serial-SPI
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.7 V
Maximum Operating Current
15 mA
Mounting Style
SMD/SMT
Organization
528 B x 8192
Memory Configuration
8192 Pages X 528 Bytes
Clock Frequency
66MHz
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:
AT45DB321D-SU
Manufacturer:
ATMEL
Quantity:
15 000
Company:
Part Number:
AT45DB321D-SU
Manufacturer:
ATMEL
Quantity:
1 000
Company:
Part Number:
AT45DB321D-SU
Manufacturer:
Atmel
Quantity:
7 530
Company:
Part Number:
AT45DB321D-SU
Manufacturer:
ATMEL
Quantity:
3
Part Number:
AT45DB321D-SU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
AT45DB321D-SU-2.5
Manufacturer:
ON
Quantity:
31 000
Part Number:
AT45DB321D-SU-SL955
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
3597O–DFLASH–10/09
SO (OUTPUT)
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
SI (INPUT)
SO (OUTPUT)
SI (INPUT)
CS
CS
MAIN MEMORY
PAGE (512/528 BYTES)
BUFFER 1 (512/528 BYTES)
BUFFER 1
BUFFER 1
PAGE TO
CMD
READ
ADDRESS FOR BINARY PAGE SIZE
CMD
A21-A16
PA12-6
PA5-0, BA9-8
FLASH MEMORY ARRAY
A15-A8
I/O INTERFACE
PA12-6
SO
A7-A0
BA7-0
MAIN MEMORY
PAGE READ
A21-A9 + 9 DON'T CARE BITS
BINARY PAGE SIZE
BUFFER 2 (512/528 BYTES)
X
4 Dummy Bytes
PA5-0, XX
Starts reading page data into buffer
MAIN MEMORY
PAGE TO
BUFFER 2
BUFFER 2
READ
X
XXXX XXXX
n
AT45DB321D
n+1
41