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    • 3. 发明公开
    • 메모리 회로, 동적 랜덤 액세스 메모리 회로, 메모리 셀을 구비하는 메모리
    • 存储器电路,动态随机存取存储器,包含存储器和浮点单元的系统以及存储数字数据的方法
    • KR1020080023651A
    • 2008-03-14
    • KR1020070091482
    • 2007-09-10
    • 키몬다 아게
    • 메이어피터스피어클볼프강발브마르쿠스빌게르크리스토프브록스마틴헤인토마스리치터마이클
    • G11C11/40
    • G11C7/16G11C7/1006G11C7/1051G11C7/1069G11C7/1078G11C7/1096G11C11/4085G11C11/4096
    • A memory circuit, a dynamic random access memory, a system comprising a memory and a floating point unit and a method for storing digital data are provided to store data in the memory as reducing request for storage capacity. According to a memory circuit, a memory controller comprises an input/output circuit connected to a memory array comprising a plurality of memory cells. An address circuit(6) selects at least one of the memory cells for write or read operation. A read circuit(11) and a write circuit(12) are connected to the input/output circuit. The write circuit stores digital data in the selected memory cell, and the read circuit reads digital data from the selected memory cell. A digital-analog(D/A) converter is connected to the input/output circuit and the write circuit. The D/A converter converts digital data with at least two digital bits received from the input/output circuit into one analog value and transfers the analog value to the write circuit, and the digital data is at least a part of a floating point number, and the write circuit writes the analog value in the selected memory cell. An analog-digital(A/D) converter is connected to the read circuit and the input/output circuit. The read circuit reads the analog value from the selected memory cell and transfers the analog value to the A/D converter, and the A/D converter converts the analog value into digital data, and the A/D converter transfers the digital data to the input/output circuit.
    • 提供存储器电路,动态随机存取存储器,包括存储器和浮点单元的系统以及用于存储数字数据的方法,以将存储器中的数据存储为存储容量的减少请求。 根据存储器电路,存储器控制器包括连接到包括多个存储器单元的存储器阵列的输入/输出电路。 地址电路(6)选择用于写入或读取操作的至少一个存储单元。 读取电路(11)和写入电路(12)连接到输入/输出电路。 写入电路将数字数据存储在所选存储单元中,并且读取电路从所选存储单元读取数字数据。 数字模拟(D / A)转换器连接到输入/输出电路和写入电路。 D / A转换器将从输入/输出电路接收的至少两个数字位的数字数据转换为一个模拟值,并将模拟值传送到写入电路,数字数据至少是浮点数的一部分, 并且写电路将模拟值写入所选存储单元。 模拟数字(A / D)转换器连接到读取电路和输入/输出电路。 读取电路从所选存储单元读取模拟值,并将模拟值传送给A / D转换器,A / D转换器将模拟值转换为数字数据,A / D转换器将数字数据传输到 输入/输出电路。