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74HC257 Datasheet(PDF) 2 Page - Hitachi Semiconductor |
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74HC257 Datasheet(HTML) 2 Page - Hitachi Semiconductor |
2 / 9 page HD74HC257 2 Pin Arrangement 1 2 3 4 5 6 7 8 Select 1A 1B 1Y 2A 2B 2Y GND 1A 1B 1Y 2A 2B 2Y OC 4A 4B 4Y 3A 3B VCC 4A 4B 4Y 3A 3B 3Y 16 15 14 13 12 11 10 9 Output control (Top view) 3Y S Absolute Maximum Ratings Item Symbol Rating Unit Supply voltage range V CC –0.5 to +7.0 V Input voltage V IN –0.5 to V CC + 0.5 V Output voltage V OUT –0.5 to V CC + 0.5 V DC current drain per pin I OUT ±35 mA DC current drain per V CC, GND I CC, IGND ±75 mA DC input diode current I IK ±20 mA DC output diode current I OK ±20 mA Power dissipation per package P T 500 mW Storage temperature Tstg –65 to +150 °C |
Número de pieza similar - 74HC257 |
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Descripción similar - 74HC257 |
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