AT45DB642D-CNU Atmel, AT45DB642D-CNU Datasheet - Page 43

• Manufacturer Part Number: AT45DB642D-CNU
• Description: IC FLASH 64MBIT 66MHZ 8CASON
• Manufacturer: Atmel

Specifications of AT45DB642D-CNU

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 64M (8192 pages x 1056 bytes)
• Speed: 66MHz
• Interface: Parallel/Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 8-CASON
• Package: 8CASON
• Density: 64 Mb
• Architecture: Sectored
• Block Organization: Symmetrical
• Typical Operating Supply Voltage: 3.3 V
• Sector Size: 256KByte x 32
• Timing Type: Synchronous
• Interface Type: Parallel|Serial-SPI
• Data Bus Width: 8 bit
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Current: 15 mA
• Mounting Style: SMD/SMT
• Organization: 256 KB x 32
• Ic Interface Type: Parallel, Serial
• Clock Frequency: 66MHz
• Supply Voltage Range: 2.7V To 3.6V
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

23.1
23.2
23.3
3542K–DFLASH–04/09
SO or I/O7 - I/O0
SI or I/O7 - I/O0
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
Buffer Read
SO or IO
SO or I/O7 - I/O0
SI or IO
SI or I/O7 - I/O0
(OUTPUT)
(INPUT)
(OUTPUT)
(INPUT)
CS
7
7
- IO
- IO
CS
CS
0
0
Each transition
represents 8 bits
CMD
CMD
CMD
PA12-5, PA4-0
ADDRESS FOR BINARY PAGE SIZE
A22-A16
14 DON'T CARE + BFA9-BFA0
X
A15-A8
BA10-8
BINARY PAGE SIZE
X..X, BFA10-8
PA12-5
A7-A0
A22-A10 + 10 DON'T CARE BITS
BA7-0
BINARY PAGE SIZE
BFA7- 0
19 Dummy Bytes for Parallel
4 Dummy Bytes for Serial
PA4-0, XXX
X
Starts reading page data into buffer
No Dummy Byte (Serial, opcodes D1H and D3H)
1 Dummy Byte (Serial, opcodes D4H and D6H)
2 Dummy Bytes (Parallel)
X
X
XXXX XXXX
n
n
n+1
n+1
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