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ID = 53233
United States of America (USA)
Brand: Fairchild Semiconductor Inc., South Portland/Maine
Tube type:  IC - Integrated Circuit   Indication 
Identical to FCM7001
Similar Tubes
Normally replaceable-slightly different:

Base SPECIAL TUBEBASE in general
Filament Solid State
Description Aufbau/internal: IC DMOS;
Form/Case: DIP-28;
Type: Digital Clock, 28/30/31 Day Calendar, 12/24 hour clock, 24 hour alarm,Snooze, 50/60 Hz, 6 digits display (very large digits), clock radio features, ...;
Daten/ Vdd max: -10 V, Idd: 10 mA; Drivers for fluorescent tubes, gas discharge displays and 7 segment LEDs.
Dimensions (WHD)
incl. pins / tip
36 x 7 x 16 mm / 1.42 x 0.28 x 0.63 inch
Weight 2 g / 0.07 oz
Information source - - Manufacturers Literature   
FCM7001: Cal-Tex
Günther Stabe † 19.8.20


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