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Personalizable Multi-Power Driver Circuit

IP.com Disclosure Number: IPCOM000041305D
Original Publication Date: 1984-Jan-01
Included in the Prior Art Database: 2005-Feb-02

Publishing Venue

IBM

Related People

Authors:
Balyoz, J Cavaliere, JR Denis, BA Ho, BK [+details]

Abstract

An adaptable driver circuit is disclosed. Its configuration can be altered by metal personalization to operate at selectable speed/power levels. The figure shows a basic driver circuit which can be operated either as a medium power driver (MPD) or as a high power driver (HPD). When the connections marked with 1 are made, the circuit operates as an MPD. In this operation, the transistor Q3 and resistor R1 are not connected as part of the circuit. When the connections marked with 2 are made, the circuit operates as an HPD. In this case, the resistors R2 and R3 are not connected as part of the circuit, yet transistor Q3 and resistor R1 are connected. The transistor Q1, LSBD D1, resistors R4 and R5 form the predriver circuit which is used for DTL internal circuit interfacing, as shown in the figure.