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74HC_HCT257 Arkusz danych(PDF) 5 Page - NXP Semiconductors |
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74HC_HCT257 Arkusz danych(HTML) 5 Page - NXP Semiconductors |
5 / 18 page 74HC_HCT257 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 6 — 26 January 2015 5 of 18 NXP Semiconductors 74HC257; 74HCT257 Quad 2-input multiplexer; 3-state 7. Limiting values [1] For DIP16 packages: above 70 C, P tot derates linearly with 12 mW/K. [2] For SO16 packages: above 70 C, P tot derates linearly with 8 mW/K. [3] For SSOP16 and TSSOP16 packages: above 60 C, P tot derates linearly with 5.5 mW/K. 8. Recommended operating conditions Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Max Unit VCC supply voltage 0.5 +7 V IIK input clamping current VI < 0.5 V or VI >VCC + 0.5 V - 20 mA IOK output clamping current VO < 0.5 V or VO >VCC +0.5 V - 20 mA IO output current VO = 0.5 V to VCC +0.5 V - 35 mA ICC supply current - +70 mA IGND ground current - 70 mA Tstg storage temperature 65 +150 C Ptot total power dissipation DIP16 package [1] - 750 mW SO16 package [2] - 500 mW SSOP16 package [3] - 500 mW TSSOP16 package [3] - 500 mW Table 5. Recommended operating conditions Symbol Parameter Conditions Min Typ Max Unit 74HC257 VCC supply voltage 2.0 5.0 6.0 V VI input voltage 0 - VCC V VO output voltage 0 - VCC V t/V input transition rise and fall rates VCC = 2.0 V - - 625 ns VCC = 4.5 V - 1.67 139 ns VCC = 6.0 V - - 83 ns Tamb ambient temperature 40 - +125 C 74HCT257 VCC supply voltage 4.5 5.0 5.5 V VI input voltage 0 - VCC V VO output voltage 0 - VCC V t/V input transition rise and fall rates VCC = 4.5 V - 1.67 139 ns Tamb ambient temperature 40 - +125 C |
Podobny numer części - 74HC_HCT257_15 |
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Podobny opis - 74HC_HCT257_15 |
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