Electronic digital logic circuitry – Function of and – or – nand – nor – or not – Bipolar transistor
Patent
1994-10-18
1996-05-07
Hudspeth, David R.
Electronic digital logic circuitry
Function of and, or, nand, nor, or not
Bipolar transistor
326 18, 326127, H03K 19013
Patent
active
055149847
ABSTRACT:
In an active pull down ECL apparatus including a current switch formed by an input transistor and a reference transistor, an emitter follower controlled by a collector voltage of the input transistor or the reference transistor, and an active pull down circuit connected to the emitter follower, a resistor is connected to an emitter of the input transistor or the reference transistor.
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"A 23ps/2.1mW ECL Gate", Toh et al., IEEE International Solid-State Circuits Conference, pp. 224-225, 1989.
Hudspeth David R.
NEC Corporation
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