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DRAM Chip

Dynamic random-access memory (DRAM) is a type of random-access memory that stores each bit of data in a separate capacitor within an integrated circuit. The capacitor can be either charged or discharged; these two states are taken to represent the two values of a bit, conventionally called 0 and 1. Since even "nonconducting" transistors always leak a small amount, the capacitors will slowly discharge, and the information eventually fades unless the capacitor charge is refreshed periodically. Because of this refresh requirement, it is a dynamic memory as opposed to SRAM and other static memory. The main memory (the "RAM") in personal computers is dynamic RAM (DRAM). It is the RAM in desktops, laptops and workstation computers as well as some of the RAM of video game consoles. The advantage of DRAM is its structural simplicity: only one transistor and a capacitor are required per bit, compared to four or six transistors in SRAM. This allows DRAM to reach very high densities. Unlike flash memory, DRAM is volatile memory (vs. non-volatile memory), since it loses its data quickly when power is removed. The transistors and capacitors used are extremely small; billions can fit on a single memory chip.

Memory > RAM > DRAM Chip

型号	DS	厂牌	批号	数量	地区	采购
K4B4G0846D-BYK0		Samsung	201531+	91	中国	要求报价
K4B4G0846D-BYK0		Samsung	201531+	136	中国	要求报价
K4B4G0846D-BYK0		Samsung	201531+	146	波兰	要求报价
K4B4G0846D-BYK0		Samsung	201531+	136	日本	要求报价
K4B4G0846D-BYK0		Samsung	201531+	3588	中国	要求报价
K4B4G0846D-BYK0		Samsung	-	15239	中国	要求报价
K4B4G0846D-BYK0		Samsung	201531+	136	香港	要求报价
K4B4G0846D-BYK0		Samsung	201531+	149	香港	要求报价
K4B4G0846D-BYK0		Samsung	201531+	136	中国	要求报价
K4B4G0846D-BYK0		Samsung	2023+	1500	中国	要求报价
K4B4G0846D-BYK0		Samsung	201531+	136	中国	要求报价
K4B4G0846D-BYK0		Samsung	201404	20	以色列	要求报价

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