Semiconductor read-only memory

Details Semiconductor read-only memory Semiconductor read-only memory

1976-03-12

1978-02-14

Canney, Vincent P.

Static information storage and retrieval

Read only systems

Semiconductive

G11C 1140, G11C 1300

Patent

active

040742385

ABSTRACT:
A read-only memory of lateral type comprising a plurality of information memory circuits connected in parallel with one another across a first line and a second line. In each of the information memory circuits, a first insulated-gate field effect transistor of either the depletion mode or the enhancement mode, selected depending on the information to be stored, is connected in series with a second insulated-gate field effect transistor of enhancement mode. The read-only memory further comprises reading means for reading the mode of the first insulated-gate field effect transistor in each information memory circuits, so that an output signal according to the mode of the first insulated-gate field effect transistor can be read out from the memory by the reading means.

REFERENCES:
patent: 3846768 (1974-11-01), Krick
patent: 3949382 (1976-04-01), Yasui
patent: 3953839 (1976-04-01), Denninson et al.

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