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74AVCH4T245 데이터시트(PDF) 11 Page - NXP Semiconductors |
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11 / 29 page 74AVCH4T245 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 4 — 14 December 2011 11 of 29 NXP Semiconductors 74AVCH4T245 4-bit dual supply translating transceiver; 3-state [1] VCCO is the supply voltage associated with the output port. [2] VCCI is the supply voltage associated with the data input port. [3] The bus hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VI to GND and then raising it to VIL max. [4] The bus hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VI to VCC and then lowering it to VIH min. [5] An external driver must source at least IBHLO to switch this node from LOW to HIGH. [6] An external driver must sink at least IBHHO to switch this node from HIGH to LOW. [7] For I/O ports, the parameter IOZ includes the input leakage current. ICC supply current A port; VI = 0 V or VCCI; IO = 0 A VCC(A) = 0.8 V to 3.6 V; VCC(B) = 0.8 V to 3.6 V -10 - 55 A VCC(A) = 1.1 V to 3.6 V; VCC(B) = 1.1 V to 3.6 V -8 - 50 A VCC(A) = 3.6 V; VCC(B) = 0 V - 8 - 50 A VCC(A) = 0 V; VCC(B) = 3.6 V 2- 12 - A B port; VI = 0 V or VCCI; IO = 0 A VCC(A) = 0.8 V to 3.6 V; VCC(B) = 0.8 V to 3.6 V -10 - 55 A VCC(A) = 1.1 V to 3.6 V; VCC(B) = 1.1 V to 3.6 V -8 - 50 A VCC(A) = 3.6 V; VCC(B) = 0 V 2- 12 - A VCC(A) = 0 V; VCC(B) = 3.6 V - 8 - 50 A A plus B port (ICC(A) + ICC(B)); IO =0A; VI =0 V or VCCI; VCC(A) = 0.8 V to 3.6 V; VCC(B) = 0.8 V to 3.6 V -20 - 70 A A plus B port (ICC(A) + ICC(B)); IO =0A; VI =0 V or VCCI; VCC(A) = 1.1 V to 3.6 V; VCC(B) = 1.1 V to 3.6 V -16 - 65 A Table 8. Static characteristics …continued[1][2] 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 Table 9. Typical total supply current (ICC(A) + ICC(B)) VCC(A) VCC(B) Unit 0 V 0.8 V 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V 0 V 0 0.1 0.1 0.1 0.1 0.1 0.1 A 0.8 V 0.1 0.1 0.1 0.1 0.1 0.3 1.6 A 1.2 V 0.1 0.1 0.1 0.1 0.1 0.1 0.8 A 1.5 V 0.1 0.1 0.1 0.1 0.1 0.1 0.4 A 1.8 V 0.1 0.1 0.1 0.1 0.1 0.1 0.2 A 2.5 V 0.1 0.3 0.1 0.1 0.1 0.1 0.1 A 3.3 V 0.1 1.6 0.8 0.4 0.2 0.1 0.1 A |
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