参数资料
型号: AT45DB161-TI
厂商: ATMEL CORP
元件分类: DRAM
英文描述: 16-Megabit 2.7-volt Only Serial DataFlash
中文描述: 16M X 1 FLASH 2.7V PROM, PDSO28
封装: PLASTIC, TSOP1-28
文件页数: 11/20页
文件大小: 224K
代理商: AT45DB161-TI
AT45DB161
11
Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
Main Memory Page Program through Buffers
Buffer Write
Buffer to Main Memory Page Program
(Data from Buffer Programmed into Flash Page)
FLASH MEMORY ARRAY
PAGE (528 BYTES)
BUFFER 2 (528 BYTES)
BUFFER 1 (528 BYTES)
I/O INTERFACE
SI
BUFFER 1 TO
MAIN MEMORY
PAGE PROGRAM
MAIN MEMORY
PAGE PROGRAM
THROUGH BUFFER 2
BUFFER 2 TO
MAIN MEMORY
PAGE PROGRAM
MAIN MEMORY PAGE
PROGRAM THROUGH
BUFFER 1
BUFFER 1
WRITE
BUFFER 2
WRITE
SI
CMD
n
n+1
Last Byte
· Completes writing into selected buffer
· Starts self-timed erase/program operation
CS
r r , PA11-6
PA5-0, BFA9-8
BFA7-0
SI
CMD
X
X···X, BFA9-8
BFA7-0
n
n+1
Last Byte
· Completes writing into selected buffer
CS
SI
CMD
PA5-0, XX
X
CS
Starts self-timed erase/program operation
r r , PA11-6
n = 1st byte written
n+1 = 2nd byte written
Each transition represents
8 bits and 8 clock cycles
相关PDF资料
PDF描述
AT45DB161B 16 MEGABIT 2.5-VOLT ONLY OR 2.7-VOLT ONLY DATAFLASH
AT45DB161B-CNC-2.5 16 MEGABIT 2.5-VOLT ONLY OR 2.7-VOLT ONLY DATAFLASH
AT45DB161B-CC 16 MEGABIT 2.5-VOLT ONLY OR 2.7-VOLT ONLY DATAFLASH
AT45DB161B-CC-2.5 16 MEGABIT 2.5-VOLT ONLY OR 2.7-VOLT ONLY DATAFLASH
AT45DB161B-CI 16 MEGABIT 2.5-VOLT ONLY OR 2.7-VOLT ONLY DATAFLASH
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