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参数资料
| 型号： | AT45D081-RI |
| 厂商： | ATMEL CORP |
| 元件分类： | DRAM |
| 英文描述： | 8-Megabit 5-volt Only Serial DataFlash |
| 中文描述： | 1M X 8 FLASH 5V PROM, PDSO28 |
| 封装： | 0.330 INCH, PLASTIC, SOIC-28 |
| 文件页数： | 8/16页 |
| 文件大小： | 115K |
| 代理商： | AT45D081-RI |
AT45D081
8
Main Memory Page Program through Buffers
SI
CMD
n
n+1
Last Byte
· Completes writing into selected buffer
· Starts self-timed erase/program operation
CS
r r r, PA11-7
PA6-0, BFA8
BFA7-0
Buffer Write
SI
CMD
X
X···X, BFA8
BFA7-0
n
n+1
Last Byte
· Completes writing into selected buffer
CS
Buffer to Main Memory Page Program (Data from Buffer Programmed into Flash Page)
SI
CMD
PA6-0, X
CS
Starts self-timed erase/program operation
r r r, PA11-7
Each transition represents
8 bits and 8 clock cycles
Write Operations
The following block diagram and waveforms illustrate the various write sequences available.
FLASH MEMORY ARRAY
PAGE (264 BYTES)
BUFFER 2 (264 BYTES)
BUFFER 1 (264 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
n = 1st byte written
n+1 = 2nd byte written
相关PDF资料 |
PDF描述 |
|---|---|
| AT45D081-TC | 8-Megabit 5-volt Only Serial DataFlash |
| AT45D081-TI | 8-Megabit 5-volt Only Serial DataFlash |
| AT45D161-JC | 16-Megabit 5-volt Only Serial DataFlash |
| AT45D161-JI | 16-Megabit 5-volt Only Serial DataFlash |
| AT45D161-RC | 16-Megabit 5-volt Only Serial DataFlash |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT45D081-TC | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Megabit 5-volt Only Serial DataFlash |
| AT45D081-TI | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Megabit 5-volt Only Serial DataFlash |
| AT45D161 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:16-megabit 5-volt Only Serial DataFlasH |
| AT45D161_01 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:16-megabit 5-volt Only Serial DataFlasH |
| AT45D161-JC | 功能描述:闪存 16M bit RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel |
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