Antique radios, Old Time Radios
SN74F257
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Country:
Worldwide
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| Identical to |
SN74F257
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| Similar
Tubes |
Normally replaceable-slightly different:
SN74LS257
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| Base |
SPECIAL TUBEBASE in general
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| Description |
Aufbau/internal: IC (Logik-TTL Digital) quadr. 2-line-to-1-line data selectors / multiplexers with 3-state output;
Form/Case/Outline: DIP-16 | SOP-16;
Daten/electr.data: Ub: 5 V; tmin: (-40) 0 °C; tmax: 85 °C;.
Austauschtyp: ______ (Siemens, D).
Kurzbezeichnung (allgemein): 74257; unterschiedliche Qualitäten als (S/MC/N/DM)74(ALS/AS/F/HCT/LS)257(A/N); LS=low power Schottky -
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Dimensions (WHD)
incl. pins / tip |
20 x 7 x 8 mm / 0.79 x 0.28 x 0.31 inch |
| Weight |
2 g / 0.07 oz |
| Information source |
- - Manufacturers Literature Texas Instruments
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SN74F257: Texas Instruments
Günther Stabe † 19.8.20
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SN74F257: Texas Instruments
Günther Stabe † 19.8.20
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