OUTPUT CIRCUIT

OUTPUT CIRCUIT

PURPOSE:To reduce the power consumption by preparing plural number of resistors of a phase split stage of a TTL output circuit used for a gate array and selecting a resistor optionally by the same process as the internal wiring process. CONSTITUTION:A resistor connected between a collector of a phas...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: TAKAGAKI TAKASHI
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
PULSE TECHNIQUE
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:PURPOSE:To reduce the power consumption by preparing plural number of resistors of a phase split stage of a TTL output circuit used for a gate array and selecting a resistor optionally by the same process as the internal wiring process. CONSTITUTION:A resistor connected between a collector of a phase split transistor(TR) and a power supply Vcc in the title circuit is not fixed but three resistors R7, R8 and R9, an optimum resistor is selected according to a required output drive current, and one of them is connected to the collector of the TR Q3. The selective connection of the resistors is executed in the normal wiring process. In selecting the resistance values as R7