btasmall.blogg.se - Totem pole output driver

H03K19/0826- Multistate logic one of the states being the high impedance or floating state.

having at least two inputs acting on one output Inverting circuits using specified components using semiconductor devices using bipolar transistors having at least two inputs acting on one output Inverting circuits using specified components using semiconductor devices having at least two inputs acting on one output Inverting circuits using specified components having at least two inputs acting on one output Inverting circuits Assignors: KUNG, DAVID Application filed by National Semiconductor Corp filed Critical National Semiconductor Corp Priority to US06/412,638 priority Critical patent/US4490631A/en Application granted granted Critical Publication of US4490631A publication Critical patent/US4490631A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links

OF DE reassignment NATIONAL SEMICONDUCTOR CORPORATION, A CORP. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Assigned to NATIONAL SEMICONDUCTOR CORPORATION, A CORP. Original Assignee National Semiconductor Corp Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/412,638 Inventor David Kung Current Assignee (The listed assignees may be inaccurate. Google Patents Totem pole/open collector selectable output circuitĭownload PDF Info Publication number US4490631A US4490631A US06/412,638 US41263882A US4490631A US 4490631 A US4490631 A US 4490631A US 41263882 A US41263882 A US 41263882A US 4490631 A US4490631 A US 4490631A Authority US United States Prior art keywords transistor means transistor base terminal coupled Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4490631A - Totem pole/open collector selectable output circuit

US4490631A - Totem pole/open collector selectable output circuit