3. Block Diagram
CONTROL AND
I/O BUFFERS
CS
SCK
INTERFACE
PROTECTION LOGIC
AND LATCHES
SRAM
DATA BUFFER
SI
SO
CONTROL
AND
LOGIC
Y-DECODER
Y-GATING
FLASH
WP
X-DECODER
MEMORY
ARRAY
HOLD
4. Memory Array
To provide the greatest flexibility, the memory array of the AT26DF161A can be erased in four
levels of granularity including a full chip erase. In addition, the array has been divided into phys-
ical sectors of various sizes, of which each sector can be individually protected from program
and erase operations. The sizes of the physical sectors are optimized for both code and data
storage applications, allowing both code and data segments to reside in their own isolated
regions. Figure 4-1 on page 5 illustrates the breakdown of each erase level as well as the break-
down of each physical sector.
4
AT26DF161A
3640D–DFLASH–8/09
相关PDF资料
AT26DF321-SU IC FLASH 32MBIT 66MHZ 8SOIC
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AT27BV020-90JU IC OTP 2MBIT 90NS 32PLCC
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相关代理商/技术参数
AT26DF161A-SSU 功能描述:闪存 16M SERIAL FLASH - IND TEMP 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
AT26DF161A-SU 功能描述:闪存 16M SERIAL FLASH - IND TEMP 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
AT26DF161-MU 功能描述:闪存 16M SERIAL FLASH - IND TEMP 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
AT26DF161-SU 功能描述:闪存 16M 8 I/O Pins SPI 256B 2.7V-3.6V 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
AT26DF321 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:32-megabit 2.7-volt Only Serial Firmware DataFlash Memory
AT26DF321_06 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:32-megabit 2.7-volt Only Serial Firmware DataFlash Memory
AT26DF321_07 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:32-megabit 2.7-volt Only Serial Firmware DataFlash Memory
AT26DF321-S3U 功能描述:闪存 32M SERIAL FLASH - IND TEMP 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