AT45DB321D-TU Atmel, AT45DB321D-TU Datasheet - Page 38

• 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
38
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)
AT45DB321D [Preliminary]
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
LSB
LSB
t CSS
3597H–DFLASH–02/07