Input signal level converter for an MOS digital circuit

Details Input signal level converter for an MOS digital circuit Input signal level converter for an MOS digital circuit

1984-05-04

1986-05-06

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307475, 307578, 307270, H03K 458, H03K 1710, H03K 17687, H03K 19094

Patent

active

045874476

ABSTRACT:
An input signal level converter for applying a TTL signal to an actual input of an MOS circuit is required for n-MOS digital circuits controlled with TTL signals. This circuit forms a Schmitt trigger and comprises five MOS field effect transistors and a bootstrap capacitor. The transistors are preferably of the n-channel type and are self-inhibiting. This circuit is improved by means of two further transistors connected such that a quiescent current consumption of the level converter is considerably reduced. Favorable dynamic behavior is achieved without having unfavorable current usage.

REFERENCES:
patent: 4071783 (1978-01-01), Knepper
patent: 4071784 (1978-01-01), Maeder et al.
patent: 4256974 (1981-03-01), Padgett et al.
patent: 4346310 (1982-08-01), Carter
patent: 4443715 (1984-04-01), Fox
patent: 4471240 (1984-09-01), Novosel
patent: 4500799 (1985-02-01), Sud et al.
patent: 4540898 (1985-09-01), Pumo et al.

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