Programmable logic device
    1.
    发明公开
    Programmable logic device 失效
    可编程逻辑器件

    公开(公告)号:EP0585119A1

    公开(公告)日:1994-03-02

    申请号:EP93306760.5

    申请日:1993-08-25

    IPC分类号: H03K19/173

    摘要: A programmable logic device includes a data bus for receiving input data and a serial shift register (30) adapted to receive programming data in the form of a binary serial bit stream (33). Outputs of the shift register (30) control the charges on capacitors (C1,C2) which are connected to inputs of logic gates (1,2) to control the functions implemented by the logic gates. In this manner, selected input variables can be combined in accordance with the charges stored on the capacitors (C1,C2) to enable the logic device to provide a desired Booleon function. The logic device can be readily reprogrammed by changing the programming binary serial bit stream.

    摘要翻译: 可编程逻辑器件包括用于接收输入数据的数据总线和适于接收二进制串行比特流(33)形式的编程数据的串行移位寄存器(30)。 移位寄存器(30)的输出控制连接到逻辑门(1,2)的输入的电容器(C1,C2)上的电荷,以控制由逻辑门实现的功能。 以这种方式,可以根据存储在电容器(C1,C2)上的电荷来组合所选择的输入变量,以使得逻辑器件能够提供期望的布尔函数。 逻辑器件可以通过更改编程二进制串行比特流轻松重新编程。