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SN74LS90

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ID = 79585
       
Country:
Worldwide
Brand: Common type Worldwide tube/semicond.
Tube type:  IC - Integrated Circuit   Universal 
Identical to SN74LS90
Similar Tubes
Normally replaceable-slightly different:
  DL090D
Other class quality (otherwise equal):
  SN7490

Base SPECIAL TUBEBASE in general
Description

TTL: asynchroneous decade counter with BCD out.
-

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
19 x 7 x 8 mm / 0.75 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz

sn7490_s~~1.gif SN74LS90: Elektor 1977
Günther Stabe † 19.8.20

Usage in Models 1= 1978 ; 1= 1980?? ; 1= 1982? ; 1= 1985??

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

Collection of

 
sn7490_1.jpg

SN74LS90
 

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