Semiconductor device

Details Semiconductor device Semiconductor device

1994-09-16

1996-04-02

Nguyen, Tan T.

Static information storage and retrieval

Floating gate

Data security

36518505, 36518526, 36518514, 257316, G11C 1134, G11C 700

Patent

active

055047076

ABSTRACT:
The present invention provides a semiconductor device in which an EEPROM and an OTPROM are mounted on the same chip, a single power supply system is used, and both ROMS can be effectively used. Such a semiconductor device has the EEPROM region and the OTPROM region arranged on the same chip, and a control device which makes only the prescribed cell in either region of both regions EEPROM and OTPROM regions active.

REFERENCES:
patent: 4964078 (1990-10-01), Jandu et al.
patent: 4998223 (1991-03-01), Akaogi
patent: 5172342 (1992-12-01), Gochi
patent: 5280451 (1994-01-01), Akaogi

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