Antique radios, Old Time Radios
SN74LS20
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Country:
Worldwide
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| Identical to |
SN74LS20
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| Similar
Tubes |
Normally replaceable-slightly different:
D220D
Other class quality (otherwise equal):
SN7420
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| Base |
SPECIAL TUBEBASE in general
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| Description |
TTL: dual 4-input NAND gates, fan-out 10.
-
Text in other
languages (may
differ)
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Dimensions (WHD)
incl. pins / tip |
18 x 7 x 8 mm / 0.71 x 0.28 x 0.31 inch |
| Weight |
1 g / 0.04 oz |
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SN74LS20: Pro Electron 1975
Günther Stabe † 19.8.20
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):2
Collection of
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