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存储器介绍

存储器(Memory)是用来存放程序和数据,是现代信息技术中用于保存信息的记忆设备。其概念很广,有很多层次,在数字系统中,只要能保存二进制数据的都可以是存储器;在集成电路中,一个没有实物形式的具有存储功能的电路也叫存储器,如RAM、FIFO等;在系统中,具有实物形式的存储设备也叫存储器,如内存条、TF卡等。计算机中全部信息,包括输入的原始数据、计算机程序、中间运行结果和最终运行结果都保存在存储器中。存储器的主要功能是存储程序和各种数据,并能在计算机运行过程中高速、自动地完成程序或数据的存取。用来存放当前正

方案关键器件表:

型号 品牌 产品描述 类型
W25Q64BV Winbond 64M-bit Serial Flash Memory with uniform 4KB sectors and Dual/Quad SP 内存
W25Q64CV Winbond 64M-bit Serial Flash Memory with uniform 4KB sectors and Dual/Quad SP 内存
W25Q64DW Winbond 64M-bit 1.8V Serial Flash Memory with uniform 4KB sectors and Dual/Quad SPI and QP 内存
W25Q128BV Winbond 128M-bit Serial Flash Memory with uniform 4KB sectors and Dual/Quad SP 内存
W25Q256FV Winbond 256M-bit Serial Flash Memory with uniform 4KB sectors and Dual/Quad SP 内存
W971GG6JB Winbond The W971GG6JB is a 1G bits DDR2 SDRAM, and speed involving -18, -25, 25L, 25I, 25A, 25K?and -3. 显示型动态随机存取内存
GD25LQ128 Gigadevice 128Mb*串行FLASH 串行Flash
GD25LQ16 Gigadevice 16Mb*串行FLASH 串行Flash
GD25LQ256 Gigadevice 256Mb*串行FLASH 串行Flash
GD25LQ32 Gigadevice 32Mb*串行FLASH 串行Flash
GD25LQ40 Gigadevice 4Mb*串行FLASH 串行Flash
GD25LQ64B Gigadevice 64Mb*串行FLASH 串行Flash
GD25LQ80 Gigadevice 8Mb*串行FLASH 串行Flash
GD25Q20B Gigadevice 2Mb串行FLASH 串行Flash
GD25Q40B Gigadevice 4Mb串行FLASH 串行Flash
W19B160B Winbond The W19B160B is a 16Mbit, 2.7~3.6 volt CMOS flash memory organized as 2M?x 8 or 1M?x 16 bits. For flexible erase capability, the 16Mbits of data are divided into one 16Kbyte, two 8Kbyte, one 32Kbyte, and thirty-one 64Kbyte sectors. The word-wide (x 16) da 并行FLASH
W19B320A Winbond The W19B320AT/B is a 32Mbit, 2.7~3.6-volt flexible bank CMOS flash memory organized as 4M x 8 or 2M × 16 bits. The word-wide (× 16) data appears on DQ15-DQ0, and byte-wide (x 8) data appears on DQ7-DQ0. The device can be programmed and erased in-system wi 并行FLASH
W19B320B Winbond The W19B320BT/B is a 32Mbit, 2.7~3.6-volt single bank CMOS flash memory organized as 4M x 8 or 2M? x 16 bits. The word-wide ( x 16) data appears on DQ15-DQ0, and byte-wide (x 8) data appears on DQ7-DQ0. The device can be programmed and erased in-system wi 并行FLASH
W25Q128FV Winbond 128M-bit Serial Flash Memory with uniform 4KB sectors and Dual/Quad SPI and QP 串行Flash
W25Q20BW Winbond 2M-bit 1.8V Serial Flash Memory with uniform 4KB sectors and Dual/Quad SP 串行Flash

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