TTL compatible input buffer

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

Patent

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Details

307443, 307448, 307450, H03K 19092, H03K 1716, H03K 19094

Patent

active

047913223

ABSTRACT:
This invention discloses a TTL compatible input buffer which includes means for preventing appreciable current flow into the buffer circuit upon input voltage being supplied to the input signal lead which is substantially above the voltages supplied to the voltage supply terminals of the circuit.

REFERENCES:
patent: 4450369 (1984-05-01), Schuermeyer
patent: 4698527 (1987-10-01), Matsumoto
patent: 4701643 (1987-10-01), Laude et al.
patent: 4701646 (1987-10-01), Richardson
patent: 4712023 (1987-12-01), Otsuki et al.

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