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MM5457

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ID = 75680
       
Country:
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  IC - Integrated Circuit   Indication 
Identical to MM5457

Base SPECIAL TUBEBASE in general
Description

Aufbau/internal: IC (__ Trans., __ Widerst., __ Dioden, __ Kond.);
Form/Case/Outline: DIP-22 (MM5457[A]);
Type/Application: IC Clock incl. LED Display Driver, 13 Outputs = 24 hour s;
Daten/electr.data: Vdd: __ V; Idd: __ mA; Pd: __ mW, t op: -__...+__ °C;
Variant: MM5456 = 12 hours (12 outputs).
Manufactured by National Semiconductor Corp. (USA)
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Dimensions (WHD)
incl. pins / tip
28 x 7 x 8 mm / 1.10 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz

Usage in Models 2= 1980?? ; 1= 1983?? ; 1= 1985??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):4
 

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