Output buffer circuit for a low voltage EPROM

Details Output buffer circuit for a low voltage EPROM Output buffer circuit for a low voltage EPROM

1993-06-17

1994-11-22

LaRoche, Eugene R.

Electronic digital logic circuitry

Signal sensitivity or transmission integrity

Output switching noise reduction

36518905, 326 21, 326122, H03K 1716

Patent

active

053672062

ABSTRACT:
An output buffer circuit is disclosed that operates in low voltage applications but can be programmed using standard programmers at high voltage. The output buffer circuit provides for detecting a program verify logic signal from the programmer and slowing the output driver transistors when that signal is detected. In so doing, the noise problems associated with the higher voltages of programming a EPROM device are eliminated while at the same time allowing the output buffer circuit to operate at the required performance levels during normal operation.

REFERENCES:
patent: 4972100 (1990-11-01), Lim
patent: 4972101 (1990-11-01), Partovi
patent: 4975599 (1990-12-01), Petrovick
patent: 5013940 (1991-05-01), Ansel
patent: 5034629 (1991-07-01), Kinugasa
patent: 5067109 (1991-11-01), Kim
patent: 5216293 (1993-06-01), Sei
patent: 5218247 (1993-06-01), Ito
patent: 5239211 (1993-08-01), Jinbo
patent: 5248906 (1993-09-01), Mahmood

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