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74LVCH2T45GF 데이터시트(PDF) 6 Page - NXP Semiconductors |
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6 / 36 page 74LVC_LVCH2T45 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 4 — 20 August 2010 6 of 36 NXP Semiconductors 74LVC2T45; 74LVCH2T45 Dual supply translating transceiver; 3-state 10. Static characteristics [1] VCCO is the supply voltage associated with the output port. [2] VCCI is the supply voltage associated with the data input port. [3] To guarantee the node switches, an external driver must source/sink at least IBHLO/IBHHO when the input is in the range VIL to VIH. Table 7. Typical static characteristics at Tamb = 25 °C 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 = −3 mA; VCCO =1.2 V [1] -1.09 - V VOL LOW-level output voltage VI = VIH or VIL IO = 3 mA; VCCO =1.2 V [1] -0.07 - V II input leakage current DIR input; VI = 0 V to 5.5 V; VCCI = 1.2 V to 5.5 V [2] -- ±1 μA IBHL bus hold LOW current A or B port; VI =0.42V; VCCI =1.2 V [2] -19 - μA IBHH bus hold HIGH current A or B port; VI =0.78V; VCCI =1.2 V [2] - −19 - μA IBHLO bus hold LOW overdrive current A or B port; VCCI = 1.2 V [2][3] -19 - μA IBHHO bus hold HIGH overdrive current A or B port; VCCI = 1.2 V [2][3] - −19 - μA IOZ OFF-state output current A or B port; VO =0 V or VCCO; VCCO = 1.2 V to 5.5 V [1] -- ±1 μA IOFF power-off leakage current A port; VI or VO = 0 V to 5.5 V; VCC(A) =0V; VCC(B) = 1.2 V to 5.5 V -- ±1 μA B port; VI or VO = 0 V to 5.5 V; VCC(B) =0V; VCC(A) = 1.2 V to 5.5 V -- ±1 μA CI input capacitance DIR input; VI = 0 V or 3.3 V; VCC(A) =VCC(B) =3.3 V -2.2 -pF CI/O input/output capacitance A and B port; suspend mode; VO =3.3 V or0 V; VCC(A) =VCC(B) =3.3 V -6.0 -pF |
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