TTL compatible input buffer

Details TTL compatible input buffer TTL compatible input buffer

1991-11-25

1994-01-04

Westin, Edward P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307475, 3072966, H03K 1902, H03K 301

Patent

active

052763617

ABSTRACT:
In general, a comparator compares the magnitude of a signal to a reference voltage, and changes its output when the latter exceeds the former. The invention concerns a reference voltage for the comparator. The reference voltage remains stable, even when the power supply voltage changes, thus keeping the switching point of the comparator constant. This constant switching point is useful in TTL logic circuits.

REFERENCES:
patent: 4607177 (1986-08-01), Lechner
patent: 4697109 (1987-09-01), Honma et al.
patent: 4698527 (1987-10-01), Matsumoto
patent: 4724343 (1988-02-01), Roux et al.
patent: 4748350 (1988-05-01), Emori
patent: 4779016 (1988-10-01), Sugiyama et al.
patent: 4782251 (1988-11-01), Tsugaru et al.
patent: 4833342 (1989-05-01), Kiryu et al.
patent: 4843257 (1989-06-01), Ohsawa
patent: 4902915 (1990-02-01), Tran
patent: 4945263 (1990-07-01), Estrada

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