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74AVCH1T45GW 데이터시트(PDF) 9 Page - NXP Semiconductors |
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74AVCH1T45GW 데이터시트(HTML) 9 Page - NXP Semiconductors |
9 / 22 page 74AVCH1T45_1 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 01 — 25 October 2007 9 of 22 NXP Semiconductors 74AVCH1T45 Dual supply translating transceiver; 3-state [1] In order 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. [2] VCCO is the supply voltage associated with the output port. [3] VCCI is the supply voltage associated with the data input port. IBHLO bus hold LOW overdrive current A or B port [1] VCC(A) = VCC(B) = 1.6 V 125 - - µA VCC(A) = VCC(B) = 1.95 V 200 - - µA VCC(A) = VCC(B) = 2.7 V 300 - - µA VCC(A) = VCC(B) = 3.6 V 500 - - µA IBHHO bus hold HIGH overdrive current A or B port [1] VCC(A) = VCC(B) = 1.6 V −125 - - µA VCC(A) = VCC(B) = 1.95 V −200 - - µA VCC(A) = VCC(B) = 2.7 V −300 - - µA VCC(A) = VCC(B) = 3.6 V −500 - - µA IOZ OFF-state output current A or B port; VO = 0 V or VCCO; VCC(A) =VCC(B) = 0.8 V to 3.6 V [2] -- ±7.5 µA IOFF power-off leakage current A port; VI or VO = 0 V to 3.6 V; VCC(B) =0V;VCC(A) = 0.8 V to 3.6 V -- ±35 µA B port; VI or VO = 0 V to 3.6 V; VCC(B) =0V;VCC(A) = 0.8 V to 3.6 V -- ±35 µA ICC supply current A port; VI = 0 V or VCCI; IO = 0 A [3] VCC(A) = VCC(B) = 0.8 V to 3.6 V - - 12 µA VCC(A) = 3.6 V; VCC(B) = 0 V - - 12 µA VCC(A) = 0 V; VCC(B) = 3.6 V −80 - µA B port; VI = 0 V or VCCI; IO = 0 A VCC(A) = VCC(B) = 0.8 V to 3.6 V - - 12 µA VCC(A) = 3.6 V; VCC(B) = 0 V −80 - µA VCC(A) = 0 V; VCC(B) = 3.6 V - - 12 µA A plus B port (ICC(A) + ICC(B)); IO = 0 A; VI = 0 V or VCCI; VCC(A) =VCC(B) = 0.8 V to 3.6 V -- 24 µA Table 7. Static characteristics …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Typ Max Unit |
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