Programmable impedance output buffer drivers, semiconductor devi

Details Programmable impedance output buffer drivers, semiconductor devi Programmable impedance output buffer drivers, semiconductor devi

1999-12-14

2000-12-19

Fears, Terrell W.

Static information storage and retrieval

Addressing

Particular decoder or driver circuit

36518905, G11C 1300

Patent

active

061634999

ABSTRACT:
A semiconductor device is equipped with an improved programmable impedance output buffer driver which makes it possible to adjust the impedance of the output buffer of the semiconductor device to the impedance of the bus lines of the system bus in a normal operation mode and to adjust the impedance of the output buffer of the semiconductor device to a predetermined fixed impedance in a test mode. It is therefore possible to effectively and accurately conduct tests of the semiconductor device.

REFERENCES:
patent: 5631873 (1997-05-01), Furutani
"A 300MHz,3.3V 1Mb SRAM Fabricated in a 0.5.mu.m CMOS Process," ISSCC Digest of Technical Papers, pp. 148-149, Feb. 1996.

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