AT45DB161D-TU Atmel, AT45DB161D-TU Datasheet - Page 40

• Manufacturer Part Number: AT45DB161D-TU
• Description: IC FLASH 16MBIT 66MHZ 28TSOP
• Manufacturer: Atmel

Specifications of AT45DB161D-TU

• Format - Memory: FLASH
• Memory Type: DataFLASH
• Memory Size: 16M (4096 pages x 528 bytes)
• Speed: 66MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-TSOP
• Memory Configuration: 4096 Pages X 528 Bytes
• Interface Type: Serial, SPI
• Clock Frequency: 66MHz
• Supply Voltage Range: 2.5V To 3.6V, 2.7V To 3.6V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

23. Read Operations
The following block diagram and waveforms illustrate the various read sequences available.
23.1
23.2
40
SO (OUTPUT)
Main Memory Page Read
Main Memory Page to Buffer Transfer (Data from Flash Page Read into Buffer)
SI (INPUT)
AT45DB161D
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
A20-A16
PA11-6
, PA5-0, BA9-8
FLASH MEMORY ARRAY
A15-A8
I/O INTERFACE
PA11-6
SO
A7-A0
BA7-0
MAIN MEMORY
PAGE READ
A20-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
n+1
3500I–DFLASH–8/07