AT45DB321D-TU Atmel, AT45DB321D-TU Datasheet - Page 39

• Manufacturer Part Number: AT45DB321D-TU
• Description: IC FLASH 32MBIT 66MHZ 28TSOP
• Manufacturer: Atmel

Specifications of AT45DB321D-TU

• 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: 28-TSOP
• Architecture: Sectored
• Interface Type: 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: 20MHz
• Supply Voltage Range: 2.7V To 3.6V
• Memory Case Style: TSOP
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21.6
Note:
21.7
21.8
3597O–DFLASH–10/09
Reset Timing
The CS signal should be in the high state before the RESET signal is deasserted.
Command Sequence for Read/Write Operations for Page Size 512 Bytes (Except Status
Register Read, Manufacturer and Device ID Read)
Command Sequence for Read/Write Operations for Page Size 528 Bytes (Except Status
Register Read, Manufacturer and Device ID Read)
SO (OUTPUT)
SI (INPUT)
RESET
SI (INPUT)
SCK
CS
MSB
SI (INPUT)
MSB
HIGH IMPEDANCE
Don’t Care
1 Don’t Care
Bits
X X
CMD
Bit
X X X XX X X X
X X X X X X X X X X X X X X
CMD
8 bits
Page Address
(PA12 - PA0)
Page Address
8 bits
(A21 - A9)
8 bits
X X X X
8 bits
8 bits
X X X X
(A8 - A0/BFA8 - BFA0)
8 bits
Byte/Buffer Address
(BA9 - BA0/BFA9 - BFA0)
X X X X X X X X
Byte/Buffer Address
X X X X X X X X
t RST
t REC
HIGH IMPEDANCE
AT45DB321D
LSB
LSB
t CSS
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