Device with programmable memory and method of programming

Details Device with programmable memory and method of programming Device with programmable memory and method of programming

1998-02-02

2000-03-21

Nelms, David

Static information storage and retrieval

Read/write circuit

Having fuse element

36518521, 365226, G11C 700

Patent

active

060410078

ABSTRACT:
A device, preferably an electronically calibrated sensor (100) includes a sensing element (102) with an output coupled to a calibration circuit (104). The calibration circuit (104) includes an electronically erasable programmable read only memory (EEPROM) (114). An EEPROM fuse (204) is employed in association with the EEPROM (114) which in a programming-disable logical state disables the write/erase program logic (208). The EEPROM fuse (204) may only be erased upon a valid fuse override signal (232) the input for which (224) in a final packaged device is inaccessible.

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