Inventors:
Benjamin J. Sloan - Richardson TX
Assignee:
Texas Instruments Incorporated - Dallas TX
International Classification:
H03K 1908
Abstract:
An input buffer gate for integrated injection logic (I. sup. 2 L) circuits, including a multiple-collector transistor wherein a first collector is electrically common with the base thereof, a second (Schottky) collector is connected to receive an input signal, and a third collector which drives internal I. sup. 2 L gates. The buffer has a high input breakdown voltage, virtually no input capacitance, power-up/power-down capability at logic "1" and virtually no input current at logic "0", very low storage time, and an input "1" threshold of about 0. 5 volts.