Function-differentiated temperature compensated crystal oscillat

Details Function-differentiated temperature compensated crystal oscillat Function-differentiated temperature compensated crystal oscillat

1995-10-10

1997-03-04

Mis, David

Oscillators

With outer casing or housing

331108D, 331158, 331177R, 29 2535, 257666, 361813, H01L 23495, H03B 536, H05K 502, H05K 718

Patent

active

056083599

ABSTRACT:
A function-differentiated temperature compensated crystal oscillator (10) is disclosed having an integrated circuit (12), at least one capacitor (14) and a piezoelectric element (16) being electrically coupled to a leadframe (18), and being encapsulated in a molded package body (36). The leadframe (18) includes two groups of leads (20, 26), each group accessing different functionalities of the temperature compensated crystal oscillator (10). In one application, the first group of leads (20) may be excised preventing user access to internal functions of the oscillator (10). In another application, the second group of leads (26) may be excised allowing user access to the internal functions of the oscillator (10). This configuration enables a single package to be used for different user applications and functions.

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