ECL-TTL level converter

Details ECL-TTL level converter ECL-TTL level converter

1988-10-31

1989-11-28

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307475, 307455, 307544, 307264, H03K 19092, H03K 19086, H03K 1710, H03K 1714

Patent

active

048839906

ABSTRACT:
An ECL-TTL level converter having a three-state output level is disclosed. A circuit provided in the converter for forming the three-state output level includes a function for protecting IC's connected to the output terminal of the converter when an negative power voltage applied to the converter is an abnormal condition.

REFERENCES:
patent: 4339676 (1982-07-01), Ramsey
patent: 4623803 (1986-11-01), Thompson et al.
patent: 4629913 (1986-12-01), Lechner
patent: 4644194 (1987-02-01), Birrittella et al.
patent: 4684831 (1987-08-01), Kruest
patent: 4700087 (1987-10-01), Stroberger

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