AT45DB642D-CNU SL954 Atmel, AT45DB642D-CNU SL954 Datasheet - Page 43

• Manufacturer Part Number: AT45DB642D-CNU SL954
• Manufacturer: Atmel

Specifications of AT45DB642D-CNU SL954

• Density: 64Mb
• Access Time (max): 6ns
• Interface Type: Parallel/Serial-SPI
• Address Bus: 1/8Bit
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Package Type: CASON
• 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
• Word Size: 8b
• Number Of Words: 8M
• Supply Current: 15mA
• Mounting: Surface Mount
• Pin Count: 8
• Lead Free Status / Rohs Status: 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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