发明名称 |
CMOS Schmitt trigger with independently biased high/low threshold circuits |
摘要 |
A Schmitt trigger circuit with independently biased threshold sections includes a drive disabling switch for blocking one of the threshold sections from driving a logic node toward a predetermined logic state. The drive disabling switch is selectively operated so that unidirectional sensitivity to the crossing of a threshold level belonging to its corresponding one threshold section is obtained.
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申请公布号 |
US4859873(A) |
申请公布日期 |
1989.08.22 |
申请号 |
US19870074905 |
申请日期 |
1987.07.17 |
申请人 |
WESTERN DIGITAL CORPORATION |
发明人 |
O'SHAUGHNESSY, TIMOTHY G.;HULL, RICHARD W. |
分类号 |
H03K3/037;H03K3/3565 |
主分类号 |
H03K3/037 |
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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