CMOS sense amplifier with N-channel sensing

Details CMOS sense amplifier with N-channel sensing CMOS sense amplifier with N-channel sensing

1984-08-02

1986-08-26

Moffitt, James W.

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

365203, G11C 700

Patent

active

046086706

ABSTRACT:
A CMOS sense amplifier for a dynamic read/write memory employs a latch circuit with cross-coupled N-channel transistors and cross-coupled P-channel transistors, returned to the voltage supply and ground through P and N channel transistors selectively activated by sense clocks. Differential inputs of the sense amplifier are connected to the bit lines. The N-channel transistors are employed for initial sensing, and then both N-channel and P-channel transistors in sequential order for amplification and restoring the 1-level. This results in better balance, and smaller N and P channel latch transistors may be used, saving area, saving power and increasing speed.

REFERENCES:
patent: 4195357 (1980-03-01), Kuo et al.
IBM Technical Disclosure Bulletin-vol. 25, No. 10, Mar. 1983, pp. 5088-5091.

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