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74AVC2T45DC 数据表(PDF) 8 Page - NXP Semiconductors |
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74AVC2T45DC 数据表(HTML) 8 Page - NXP Semiconductors |
8 / 32 page 74AVC2T45_4 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 04 — 5 May 2009 8 of 32 NXP Semiconductors 74AVC2T45 Dual-bit, dual-supply voltage level translator/transceiver; 3-state Tamb = −40 °C to +125 °C VIH HIGH-level input voltage data input [2] VCCI = 0.8 V 0.7VCCI -- V VCCI = 1.1 V to 1.95 V 0.65VCCI -- V VCCI = 2.3 V to 2.7 V 1.6 - - V VCCI = 3.0 V to 3.6 V 2.0 - - V DIR input [2] VCCI = 0.8 V 0.7VCC(A) -- V VCCI = 1.1 V to 1.95 V 0.65VCC(A) -- V VCCI = 2.3 V to 2.7 V 1.6 - - V VCCI = 3.0 V to 3.6 V 2.0 - - V VIL LOW-level input voltage data input [2] VCCI = 0.8 V - - 0.3VCCI V VCCI = 1.1 V to 1.95 V - - 0.35VCCI V VCCI = 2.3 V to 2.7 V - - 0.7 V VCCI = 3.0 V to 3.6 V - - 0.9 V DIR input [2] VCCI = 0.8 V - - 0.3VCC(A) V VCCI = 1.1 V to 1.95 V - - 0.35VCC(A) V VCCI = 2.3 V to 2.7 V - - 0.7 V VCCI = 3.0 V to 3.6 V - - 0.9 V VOH HIGH-level output voltage VI = VIH IO = −100 µA; VCC(A) =VCC(B) = 0.8 V to 3.6 V [1] VCCO − 0.1 - - V IO = −3 mA; VCC(A) = VCC(B) = 1.1 V 0.85 - - V IO = −6 mA; VCC(A) = VCC(B) = 1.4 V 1.05 - - V IO = −8 mA; VCC(A) = VCC(B) = 1.65 V 1.2 - - V IO = −9 mA; VCC(A) = VCC(B) = 2.3 V 1.75 - - V IO = −12 mA; VCC(A) = VCC(B) = 3.0 V 2.3 - - V VOL LOW-level output voltage VI = VIL IO = 100 µA; VCC(A) =VCC(B) = 0.8 V to 3.6 V - - 0.1 V IO = 3 mA; VCC(A) = VCC(B) = 1.1 V - - 0.25 V IO = 6 mA; VCC(A) = VCC(B) = 1.4 V - - 0.35 V IO = 8 mA; VCC(A) = VCC(B) = 1.65 V - - 0.45 V IO = 9 mA; VCC(A) = VCC(B) = 2.3 V - - 0.55 V IO = 12 mA; VCC(A) = VCC(B) = 3.0 V - - 0.7 V II input leakage current DIR input; VI = GND to VCC(A); VCC(A) =VCC(B) = 0.8 V to 3.6 V -- ±1.5 µA Table 7. Static characteristics …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). All unused data inputs of the device must be held at VCCI or GND to ensure proper device operation. Symbol Parameter Conditions Min Typ Max Unit |
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