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74AHC_AHCT257 Scheda tecnica(PDF) 7 Page - NXP Semiconductors |
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74AHC_AHCT257 Scheda tecnica(HTML) 7 Page - NXP Semiconductors |
7 / 16 page 74AHC_AHCT257_2 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 02 — 9 May 2008 7 of 16 NXP Semiconductors 74AHC257; 74AHCT257 Quad 2-input multiplexer; 3-state II input leakage current VI = 5.5 V or GND; VCC =0Vto5.5 V - - 0.1 - 1.0 - 2.0 µA IOZ OFF-state output current VI =VIH or VIL; VO =VCC or GND; VCC = 5.5 V -- ±0.25 - ±2.5 - ±10.0 µA ICC supply current VI =VCC or GND; IO = 0 A; VCC = 5.5 V - - 4.0 - 40 - 80 µA CI input capacitance VI =VCC or GND - 3 10 - 10 - 10 pF CO output capacitance -4 - - - - - pF 74AHCT257 VIH HIGH-level input voltage VCC = 4.5 V to 5.5 V 2.0 - - 2.0 - 2.0 - V VIL LOW-level input voltage VCC = 4.5 V to 5.5 V - - 0.8 - 0.8 - 0.8 V VOH HIGH-level output voltage VI = VIH or VIL; VCC = 4.5 V IO = −50 µA 4.4 4.5 - 4.4 - 4.4 - V IO = −8.0 mA 3.94 - - 3.80 - 3.70 - V VOL LOW-level output voltage VI = VIH or VIL; VCC = 4.5 V IO = 50 µA - 0 0.1 - 0.1 - 0.1 V IO = 8.0 mA - - 0.36 - 0.44 - 0.55 V II input leakage current VI = 5.5 V or GND; VCC =0Vto5.5 V - - 0.1 - 1.0 - 2.0 µA IOZ OFF-state output current VI =VIH or VIL; VO =VCC or GND per input pin; other inputs at VCC or GND; IO =0A; VCC = 5.5 V -- ±0.25 - ±2.5 - ±10.0 µA ICC supply current VI =VCC or GND; IO = 0 A; VCC = 5.5 V - - 4.0 - 40 - 80 µA ∆ICC additional supply current per input pin; VI =VCC − 2.1 V; other pins at VCC or GND; IO = 0 A; VCC = 4.5 V to 5.5 V - - 1.35 - 1.5 - 1.5 mA CI input capacitance VI =VCC or GND - 3 10 - 10 - 10 pF CO output capacitance -4 - - - - - pF Table 6. Static characteristics …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max Min Max |
Codice articolo simile - 74AHC_AHCT257_15 |
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Descrizione simile - 74AHC_AHCT257_15 |
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