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74AVCH8T245 Datasheet(PDF) 5 Page - NXP Semiconductors |
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74AVCH8T245 Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 24 page 74AVCH8T245_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 28 April 2009 5 of 24 NXP Semiconductors 74AVCH8T245 8-bit dual supply translating transceiver; 3-state [1] The minimum input voltage ratings and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] VCCO is the supply voltage associated with the output port. [3] VCCO + 0.5 V should not exceed 4.6 V. [4] For TSSOP24 package: Ptot derates linearly at 5.5 mW/K above 60 °C. For DHVQFN24 package: Ptot derates linearly at 4.5 mW/K above 60 °C. 8. Recommended operating conditions [1] VCCO is the supply voltage associated with the output port. [2] VCCI is the supply voltage associated with the input port. 9. Static characteristics IGND ground current −100 - mA Tstg storage temperature −65 +150 °C Ptot total power dissipation Tamb = −40 °C to +125 °C [4] - 500 mW Table 4. Limiting values …continued In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Max Unit Table 5. Recommended operating conditions Symbol Parameter Conditions Min Max Unit VCC(A) supply voltage A 0.8 3.6 V VCC(B) supply voltage B 0.8 3.6 V VI input voltage 0 3.6 V VO output voltage Active mode [1] 0VCCO V Suspend or 3-state mode 0 3.6 V Tamb ambient temperature −40 +125 °C ∆t/∆V input transition rise and fall rate VCCI = 0.8 V to 3.6 V [2] - 5 ns/V Table 6. Typical static characteristics at Tamb = 25 °C[1][2] At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Typ Max Unit VOH HIGH-level output voltage VI = VIH or VIL IO = −1.5 mA; VCC(A) =VCC(B) = 0.8 V - 0.69 - V VOL LOW-level output voltage VI = VIH or VIL IO = 1.5 mA; VCC(A) =VCC(B) = 0.8 V - 0.07 - V II input leakage current DIR, OE input; VI = 0 V or 3.6 V; VCC(A) =VCC(B) = 0.8 V to 3.6 V - ±0.025 ±0.25 µA IBHL bus hold LOW current A or B port; VI = 0.42 V; VCC(A) =VCC(B) = 1.2 V [3] -26 - µA IBHH bus hold HIGH current A or B port; VI = 0.78 V; VCC(A) =VCC(B) = 1.2 V [4] - −24 - µA IBHLO bus hold LOW overdrive current A or B port; VCC(A) = VCC(B) = 1.2 V [5] -27 - µA IBHHO bus hold HIGH overdrive current A or B port; VCC(A) = VCC(B) = 1.2 V [6] - −26 - µA |
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