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MM74C90

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ID = 51974
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  IC - Integrated Circuit   Universal 
Identical to MM74C90
Similar Tubes
Other class quality (otherwise equal):
  SN7490
Base SPECIAL TUBEBASE in general
Description Aufbau/internal: IC (Logik-TTL Digital) 4-Bit Decade Counter - 4-Bit Binary Counter;
Form/Case: DIP-14;
Daten/electr.data: Vcc: 3...15 V; Pd: 700 mW; t op: -40...+85 °C;
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Dimensions (WHD)
incl. pins / tip		 19 x 8 x 8 mm / 0.75 x 0.31 x 0.31 inch
Weight 1 g / 0.04 oz
Information source - - -   
- - Manufacturers Literature   National Semiconductor Corp.(USA)
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mm74c90_umgeb1.png
MM74C90
Günther Stabe † 19.8.20
mm74c90_s.png MM74C90
Günther Stabe † 19.8.20
mm74c90_logdiag.png
MM74C90: National Semiconductor
Günther Stabe † 19.8.20
Usage in Models 1= 1978 ; 1= 1980??
Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
 
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