发明授权
- 专利标题: Method and apparatus for a configurable latch
- 专利标题(中): 用于可配置锁存器的方法和装置
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申请号: US11158523申请日: 2005-06-22
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公开(公告)号: US07233184B1公开(公告)日: 2007-06-19
- 发明人: Andy T. Nguyen
- 申请人: Andy T. Nguyen
- 申请人地址: US CA San Jose
- 专利权人: Xilinx, Inc.
- 当前专利权人: Xilinx, Inc.
- 当前专利权人地址: US CA San Jose
- 代理商 LeRoy D. Maunu; Lois D. Cartier
- 主分类号: H03K3/12
- IPC分类号: H03K3/12
摘要:
A configurable latch comprises a dual master stages arranged in parallel to share a single output node. The configurable latch provides a single slave stage at the single output node to be shared between the two master stages. Pass gates controlled by various phases of an input clock, controls access to the slave stage by the two master stages. Additional control is added to configure the latch for positive edge triggered and negative edge triggered flip-flop functionality as well as level sensitive functionality. Chip enable, set, and reset are also provided for additional control.
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