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74LVCH8T245BQ データシート(PDF) 9 Page - NXP Semiconductors |
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74LVCH8T245BQ データシート(HTML) 9 Page - NXP Semiconductors |
9 / 28 page 74LVC_LVCH8T245 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 3 — 12 December 2011 9 of 28 NXP Semiconductors 74LVC8T245; 74LVCH8T245 8-bit dual supply translating transceiver; 3-state [1] VCCI is the supply voltage associated with the data input port. [2] VCCO is the supply voltage associated with the output 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. [4] For non bus hold parts only (74LVC8T245). ICC supply current A port; VI = 0 V or VCCI; IO = 0 A [1] VCC(A), VCC(B) = 1.2 V to 5.5 V - 15 - 20 A VCC(A) = 5.5 V; VCC(B) = 0 V - 15 - 20 A VCC(A) = 0 V; VCC(B) = 5.5 V 2- 4- A B port; VI = 0 V or VCCI; IO = 0 A VCC(A), VCC(B) = 1.2 V to 5.5 V - 15 - 20 A VCC(B) = 0 V; VCC(A) = 5.5 V 2- 4- A VCC(B) = 5.5 V; VCC(A) = 0 V - 15 - 20 A A plus B port (ICC(A) + ICC(B)); IO =0A; VI =0 V or VCCI VCC(A), VCC(B) = 1.2 V to 5.5 V - 25 - 30 A I CC additional supply current per input; VCC(A),VCC(B) = 3.0 V to 5.5 V DIR and OE input; DIR or OE input at VCC(A) 0.6 V; Aport atVCC(A) or GND; B port = open -50 - 75 A A port; A port at VCC(A) 0.6 V; DIR at VCC(A); B port = open [4] -50 - 75 A B port; B port at VCC(B) 0.6 V; DIR at GND; A port = open [4] -50 - 75 A Table 7. Static characteristics …continued At recommended operating conditions; voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit Min Max Min Max |
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