发明名称 |
Reduced product term carry chain |
摘要 |
A programmable logic device comprising one or more macrocells and a product term array. The macrocells may comprise logic that may be configured to (i) generate and propagate a carry signal and (ii) generate a sum bit. The product term array may comprise two product terms per macrocell.
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申请公布号 |
US6708190(B1) |
申请公布日期 |
2004.03.16 |
申请号 |
US20000587708 |
申请日期 |
2000.06.05 |
申请人 |
CYPRESS SEMICONDUCTOR CORP. |
发明人 |
JONES CHRISTOPHER W.;BETTMAN ROGER |
分类号 |
G06F7/38;G06F7/544;H03K19/177;(IPC1-7):G06F7/38 |
主分类号 |
G06F7/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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