Bipolar programmable logic array

Details Bipolar programmable logic array Bipolar programmable logic array

1987-05-06

1989-07-18

Hecker, Stuart N.

Static information storage and retrieval

Read only systems

Fusible

365189, 365211, 307466, 323313, G11C 1700, G03K 19082, G05F 316

Patent

active

048499331

ABSTRACT:
A bipolar programmable logic array for producing a substantially constant current to a common sense line (16) includes a bandgap circuit portion (14) for generating a temperature-dependent reference voltage and a current source (IS) responsive to the temperature-dependent reference voltage for providing a switching current to the common sense line which is substantially constant over a wide range of temperature variations.

REFERENCES:
patent: 4215282 (1980-07-01), Brown et al.
patent: 4277739 (1981-07-01), Priel
patent: 4514650 (1985-04-01), Yum
patent: 4644249 (1987-02-01), Chang
patent: 4742488 (1980-05-01), Wong
Cavlan et al., "Field PLAs Simplify Logic Design", Electronic Design, Sep. 1, 1975, pp. 84-90.

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