Writable analog reference voltage storage device

Details Writable analog reference voltage storage device Writable analog reference voltage storage device

1991-05-09

1992-11-24

James, Andrew J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072961, 365182, 365185, 257316, 257323, H03K 1921

Patent

active

051665620

ABSTRACT:
A circuit for generating N analog voltage signals for reference or bias use employs N analog floating gate storage devices. Electron injection circuitry is provided for injecting electrons on to and a tunneling structure is provided for removing electrons from the floating gate of each floating gate storage device. A follower amplifier is connected to each floating gate storage device and drives an analog output voltage bus. A capacitor is connected to each analog output storage bus. An analog pass gate is connected between each analog output voltage bus and a common monitor/dynamic load bus. Each analog pass gate is driven by a strobe signal.

REFERENCES:
patent: 4725984 (1988-02-01), Ip et al.
patent: 4953928 (1990-09-01), Anderson et al.
patent: 4999812 (1991-03-01), Amin
patent: 5021999 (1991-06-01), Kohda et al.
patent: 5028810 (1991-07-01), Castro et al.
patent: 5033023 (1991-07-01), Hsia et al.

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