Voltage-mode logic circuitry with improved input/output characteristics
- IBM
coupling of signals between Large Scale Integrated Circuit chips is facilitated by provision of an emitter follower output stage for the chip. Special input circuits are also provided. The logic circuits may be DTL or Schottky TTL. The special input circuit may be a DTL type or a CTL (complementary transistor logic) type. Pull down resistors may be employed with the emitter follower output driver and the special DTL input circuit.
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Description
Patent History
Patent number: T957007
Type: Grant
Filed: Jul 30, 1976
Date of Patent: Apr 5, 1977
Assignee: International Business Machines Corporation (Armonk, NY)
Inventors: Paul V. Jordan (Poughkeepsie, NY), Robert F. Sechler (Wappingers Falls, NY)
Application Number: 5/710,764
Type: Grant
Filed: Jul 30, 1976
Date of Patent: Apr 5, 1977
Assignee: International Business Machines Corporation (Armonk, NY)
Inventors: Paul V. Jordan (Poughkeepsie, NY), Robert F. Sechler (Wappingers Falls, NY)
Application Number: 5/710,764
Classifications
Current U.S. Class:
307/213;
307/215;
307/270;
307/317A;
Data Transmitted Over Power Lines (307/DIG1)
International Classification: H03K 1908; H01L 2700;
International Classification: H03K 1908; H01L 2700;
