Data output buffer for use in a semiconductor memory device

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

1996-06-17

1998-07-28

Santamauro, Jan

Electronic digital logic circuitry

Interface

Current driving

326 17, 326 68, 36518905, H03K 190185, H03K 19017

Patent

active

057867119

ABSTRACT:
A data output buffer of a semiconductor memory device having a data output driver comprised of a pull-up transistor and a pull-down transistor includes a precharging circuit for precharging a gate terminal of the pull-up transistor of the data output driver to a power supply voltage level. Precharging the output driver reduces the load on the pumping voltage generator. This feature, together with precharging the pumping voltage generator itself, allow clocking the pumping voltage generator at a reduced clock rate to reduce power consumption without compromising operating speed of the memory device.

REFERENCES:
patent: 5128560 (1992-07-01), Chern et al.
patent: 5144165 (1992-09-01), Dhong et al.
patent: 5444396 (1995-08-01), Soneda
patent: 5473268 (1995-12-01), Declercq et al.
patent: 5638023 (1997-06-01), Kim
patent: 5666070 (1997-09-01), Merritt et al.

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