发明授权
- 专利标题: Read only memory and method of reading same
- 专利标题(中): 只读存储器和读取相同的方法
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申请号: US12687847申请日: 2010-01-14
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公开(公告)号: US08116153B2公开(公告)日: 2012-02-14
- 发明人: Manmohan Rana , Bikas Maiti , Ashish Sharma
- 申请人: Manmohan Rana , Bikas Maiti , Ashish Sharma
- 申请人地址: US TX Austin
- 专利权人: Freescale Semiconductor, Inc.
- 当前专利权人: Freescale Semiconductor, Inc.
- 当前专利权人地址: US TX Austin
- 代理商 Charles Bergere
- 优先权: IN304/DEL/2009 20090217
- 主分类号: G11C7/00
- IPC分类号: G11C7/00
摘要:
A Read Only Memory (ROM) device includes a ROM array, a row address decoder, a column address decoder, a column multiplexer, and a control circuit. Data is stored in bit cells in the ROM array. The control circuit generates control signals for reading the ROM. The row address decoder selects a word line. The column address decoder enables a bit line. The data is sensed from a bit cell corresponding to the selected word line and the enabled bit line by a corresponding sense amplifier and delivered on a data output pin of the ROM. The control signals for enabling the bit line and the sense amplifier operate at a higher voltage than supply voltage of the ROM. This reduces the ROM read time.
公开/授权文献
- US20100208506A1 READ ONLY MEMORY AND METHOD OF READING SAME 公开/授权日:2010-08-19
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