Combined full speed and high speed driver

Details Combined full speed and high speed driver Combined full speed and high speed driver

2011-03-08

2011-03-08

Tran, Anh Q (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S030000, C326S034000, C326S083000

Reexamination Certificate

active

07902874

ABSTRACT:
The separate high speed and full speed drivers used in a Universal Serial Bus 2.0 application can be combined into one driver which functions both as full speed/high speed driver and as a result provides output impedance for the full speed/high speed modes which is less process dependent.

REFERENCES:
patent: 6566911 (2003-05-01), Moyer
patent: 2007/0049235 (2007-03-01), Kyung
Sim, et al., “A 1-Gb/s Bidirectional I/O Buffer Using the Current-Mode Scheme”, IEEE Journal of Solid-State Circuits, Apr. 1999, pp. 529-535, vol. 34, No. 4.

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