Sensing amplifier including symmetrical and asymmetrical load ci

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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307355, 307497, 365208, H03K 17693

Patent

active

047243449

ABSTRACT:
A sensing amplifier for a random access memory (RAM) having a first differential amplifying circuit formed of a first pair of transistors having their sources connected together, their gates supplied with differential input signals, and their drains connected with symmetrical type active loads; and a second differential amplifying circuit of a current mirror type formed of a pair of transistors which is connected in series with the first differential amplifying circuit.

REFERENCES:
patent: 4223394 (1980-09-01), Pathak et al.
patent: 4375039 (1983-02-01), Yamauchi
patent: 4471244 (1984-09-01), Maples
patent: 4479202 (1984-10-01), Uchida
patent: 4509147 (1985-04-01), Tanimura et al.
patent: 4539494 (1985-09-01), Kurafuji
patent: 4598215 (1986-07-01), Schechtman et al.
patent: 4604533 (1986-08-01), Miyamoto et al.

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