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Manufacture Part Number Description PDF
Hitachi Semiconductor
Hitachi Semiconductor
HD74LS257 Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs)
19.20 20.00 Max 16 9 7.40 Max 6.30

Unit: mm

1 1.3
1.11 Max

8

0.51 Min

2.54 Min 5.06 Max

7.62

2.54 ± 0.25

0.48 ± 0.10

0.25 – 0.05 0° – 15°
Hitachi Code JEDEC EIAJ Weight (reference val
HD74LS257 pdf
Renesas
Renesas
HD74LS257 Quadruple 2-line-to-1-line Data Selectors / Multiplexers
HD74LS257

Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs)
REJ03D0469–0300 Rev.3.00
Jul.15.2005

This multiplexer features three-state outputs that can i
HD74LS257 pdf





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