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公开(公告)号:US07157895B2
公开(公告)日:2007-01-02
申请号:US10700919
申请日:2003-11-04
IPC分类号: G05F3/16
摘要: Systems and methods are provided for generating a current. A first current source generates a first current based on a first current selection signal, and a second current source generates a second current that is a multiple of the first current in response to selection of the first current.
摘要翻译: 提供了用于产生电流的系统和方法。 第一电流源基于第一电流选择信号产生第一电流,并且响应于第一电流的选择,第二电流源产生作为第一电流的倍数的第二电流。
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公开(公告)号:US5444400A
公开(公告)日:1995-08-22
申请号:US146254
申请日:1993-11-02
申请人: Steven G. Hall , Lawrence N. Taugher , Kerry J. Monroe , Christian J. Warling , Thomas L. Bloom , William P. Repasky , Erik R. Habbinga
发明人: Steven G. Hall , Lawrence N. Taugher , Kerry J. Monroe , Christian J. Warling , Thomas L. Bloom , William P. Repasky , Erik R. Habbinga
IPC分类号: H03K19/003 , H03K19/013 , H03K17/04
CPC分类号: H03K19/00353 , H03K19/0136
摘要: A digital line driver circuit with active pull-down, high transient pull-up current, and limited steady-state pull-up current. Steady-state pull-up current is provided through a pull-up resistor. Transient pull-up current is provided by a capacitively coupled active pull-up circuit.
摘要翻译: 具有有源下拉,高瞬态上拉电流和有限稳态上拉电流的数字线路驱动电路。 通过上拉电阻提供稳态上拉电流。 瞬态上拉电流由电容耦合的有源上拉电路提供。
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