Semiconductor integrated circuit with selective interfacing on d

Details Semiconductor integrated circuit with selective interfacing on d Semiconductor integrated circuit with selective interfacing on d

1992-10-22

1994-07-19

Westin, Edward P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307465, 36518911, H03K 190175, H03K 19173

Patent

active

053312198

ABSTRACT:
A semiconductor integrated circuit such as an LSI circuit for use as a semiconductor static memory is fabricated on one chip and can handle signals on different interface levels. The semiconductor integrated circuit has ECL and CMOS input buffers which can be selected or simultaneously connected by a selector switch and ECL and CMOS output buffers which can be selected or simultaneously connected by a selector switch. The semiconductor integrated circuit with the selectively usable input and output buffers serves as either one of integrated circuits of different interface types. When the ECL input buffer and the CMOS output buffer are selected, an ECL-to-CMOS level converter and a sense amplifier may be implemented by one circuit block.

REFERENCES:
patent: 4472647 (1984-09-01), Algood
patent: 4527079 (1985-07-01), Thompson
patent: 4975602 (1990-12-01), Nhu
1992 IEEE International Solid-State Circuits Conference (Feb. 21, 1992).
1990 The Institute Electronics, Information and Communication Engineers Spring Conference Paper C-699.

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