AT45DB161D-TU Atmel, AT45DB161D-TU Datasheet - Page 36

• 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

22.1
22.2
23.
36
Buffer Write
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
Read Operations
The following block diagram and waveforms illustrate the various read sequences available.
SI (INPUT)
Atmel AT45DB161D
SI (INPUT)
BUFFER 1 (512-/528-BYTES)
MAIN MEMORY
PAGE (512-/528-BYTES)
CS
BUFFER 1
BUFFER 1
PAGE TO
CS
READ
represents eight bits
Each transition
FLASH MEMORY ARRAY
CMD
I/O INTERFACE
CMD
SO
MAIN MEMORY
PAGE READ
X
15 DON'T CARE + BFA8-BFA0
BINARY PAGE SIZE
X···X, BFA9-8
PA11-6
BUFFER 2 (512-/528-BYTES)
Starts self-timed erase/program operation
A20-A9 + 9 DON'T CARE BITS
BINARY PAGE SIZE
BFA7-0
MAIN MEMORY
PAGE TO
BUFFER 2
BUFFER 2
READ
PA5-0, XX
n
XXXX XX
Completes writing into selected buffer
n+1
n = 1st byte read
n+1 = 2nd byte read
Last Byte
3500N–DFLASH–05/10