Decoder for a prom

Details Decoder for a prom Decoder for a prom

1978-12-26

1980-03-25

Hecker, Stuart N.

Static information storage and retrieval

Addressing

307215, 307238, 365 96, G11C 800, G11C 1700

Patent

active

041953584

ABSTRACT:
Circuitry for programming a read-only memory comprising a plurality of decoding transistors of low current density for selecting the row of the programmable matrix and which function to operate a high current density control transistor through a large voltage swing for controlling an output transistor of the circuitry connected directly to the array. The decoding transistors are operable through a CML voltage swing in a non-saturated mode with minimum current to operate the control transistor of high current density from cut-off to saturation to turn the output transistor ON or OFF which in turn directs the high voltage from a high voltage source to the programmable memory.

REFERENCES:
patent: 3259761 (1966-07-01), Narud et al.
patent: 3535546 (1970-10-01), Davis
patent: 3787737 (1974-01-01), Mukai

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