Buffer with high and low speed input buffers

Details Buffer with high and low speed input buffers Buffer with high and low speed input buffers

1993-12-22

1995-11-28

Westin, Edward P.

Electronic digital logic circuitry

Interface

Current driving

326 27, 326121, H03K 1920

Patent

active

054711509

ABSTRACT:
An input buffer includes a low-speed input buffer for buffering an input signal at the time of low-speed operation, a high-speed input buffer being controlled by the low-speed input buffer, for adjusting the high-level and low-level logic of an input signal at the time of high-speed operation and an output driver for outputting high-level or low-level logic by inputting the output signal of the high-speed input buffer. Therefore, there is no direct current present, the operational speed is increased and noise can be reduced.

REFERENCES:
patent: 4638187 (1987-01-01), Boler
patent: 4961010 (1990-10-01), Davis
patent: 5036222 (1991-07-01), Davis
patent: 5122690 (1992-06-01), Bianchi
patent: 5315172 (1994-05-01), Reddy

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