Data output buffer for use in semiconductor device

Details Data output buffer for use in semiconductor device Data output buffer for use in semiconductor device

1988-12-30

1991-01-08

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307448, 307451, 307480, 307481, 307270, H03K 1716, H03K 1996

Patent

active

049838601

ABSTRACT:
A data output buffer being capable of precharging a data bus without increasing its current consumption and without having great dependency upon the process variation, whereby a READ access time of a semiconductor device is considerably reduced and the noise of source supplying voltages (Vcc, Vss) is also controlled to its least possible level in a semiconductor chip. The buffer includes means for minimizing the DC current consumption of a data bus precharge driver by feeding back an electric potential of an I/O port to an input of the precharging driver, and means for making the precharge driver operate during a specified period of time prior to providing the actual data by using an ATD pulse.

REFERENCES:
patent: 4570091 (1986-02-01), Yasuda et al.
patent: 4612466 (1986-09-01), Stewart
patent: 4700086 (1987-10-01), Ling et al.

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