Monolithically integrated generator of a plurality of voltage va

Details Monolithically integrated generator of a plurality of voltage va Monolithically integrated generator of a plurality of voltage va

1998-09-10

2000-11-07

Zarabian, A.

Static information storage and retrieval

Read/write circuit

Including reference or bias voltage generator

365226, G11C 700

Patent

active

061445886

ABSTRACT:
A generator for generating a plurality of predetermined voltage values for non-volatile memories. The generator includes an input node, a plurality of circuit branches, and an output terminal. The input node has a reference voltage and is connected to at least one of the circuit branches. Each of the circuit branches has at least one active element to selectively and independently turn on and turn off each of the circuit branches by a voltage applied to a control terminal of each active element. The output terminal connects to at least one of the circuit branches and supplies a voltage level based on the reference voltage and a voltage drop across each activated circuit branch. Alternatively, the output terminal supplies a floating voltage level in the event of one or more of the active elements along each of the circuit branches being turned off so as to isolate the input node from the output terminal.

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patent: 5361001 (1994-11-01), Stolfa
Patent Abstracts of Japan, vol. 7, No. 220 (P-226) [1365], Sep. 30, 1983 "Prom Data Writing Circuit", Shimamura, 58-111189.
Patent Abstracts of Japan, vol. 7 No. 57 (P-181) [1202], Mar. 9, 1983 "Semiconductor Storage Device", Nishiuchi, 57-203286.
Patent Abstracts of Japan, vol. 15, No. 148 (E-1056) Apr. 15, 1991, "High Voltage Generating Circuit", Toshiaki, JP 3022860.

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