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74AVCH2T45DCURG4 데이터시트(PDF) 7 Page - Texas Instruments |
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74AVCH2T45DCURG4 데이터시트(HTML) 7 Page - Texas Instruments |
7 / 31 page SN74AVCH2T45 www.ti.com SCES582H – JULY 2004 – REVISED APRIL 2015 7.4 Thermal Information SN74AVCH2T45 THERMAL METRIC(1) DCT (SSOP) DCU (VSSOP) YZP (DSBGA) UNIT 8 PINS 8 PINS 8 PINS RθJA Junction-to-ambient thermal resistance 194.4 199.3 105.8 RθJC(top) Junction-to-case (top) thermal resistance 124.7 76.2 1.6 RθJB Junction-to-board thermal resistance 106.8 80.6 10.8 °C/W ψJT Junction-to-top characterization parameter 49.8 7.1 3.1 ψJB Junction-to-board characterization parameter 105.8 80.1 10.8 (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 7.5 Electrical Characteristics over recommended operating free-air temperature range (unless otherwise noted) (1) (2) TA = 25°C –40°C to 85°C PARAMETER TEST CONDITIONS VCCA VCCB UNIT MIN TYP MAX MIN TYP MAX IOH = –100 μA 1.2 V to 3.6 V 1.2 V to 3.6 V VCCO – 0.2 IOH = –3 mA 1.2 V 1.2 V 0.95 IOH = –6 mA 1.4 V 1.4 V 1.05 VOH (3) VI = VIH V IOH = –8 mA 1.65 V 1.65 V 1.2 IOH = –9 mA 2.3 V 2.3 V 1.75 IOH = –12 mA 3 V 3 V 2.3 IOL = 100 μA 1.2 V to 3.6 V 1.2 V to 3.6 V 0.2 IOL = 3 mA 1.2 V 1.2 V 0.15 IOL = 6 mA 1.4 V 1.4 V 0.35 VOL (3) VI = VIL V IOL = 8 mA 1.65 V 1.65 V 0.45 IOL = 9 mA 2.3 V 2.3 V 0.55 IOL = 12 mA 3 V 3 V 0.7 II (3) DIR input VI = VCCA or GND 1.2 V to 3.6 V 1.2 V to 3.6 V ±0.025 ±0.25 ±1 μA VI = 0.42 V 1.2 V 1.2 V 25 VI = 0.49 V 1.4 V 1.4 V 15 IBHL (4) VI = 0.58 V 1.65 V 1.65 V 25 μA VI = 0.7 V 2.3 V 2.3 V 45 VI = 0.8 V 3.3 V 3.3 V 100 VI = 0.78 V 1.2 V 1.2 V –25 VI = 0.91 V 1.4 V 1.4 V –15 IBHH (5) VI = 1.07 V 1.65 V 1.65 V –25 μA VI = 1.6 V 2.3 V 2.3 V –45 VI = 2 V 3.3 V 3.3 V –100 1.2 V 1.2 V 50 1.6 V 1.6 V 125 IBHLO (6) VI = 0 to VCC 1.95 V 1.95 V 200 μA 2.7 V 2.7 V 300 3.6 V 3.6 V 500 (1) VCCO is the voltage associated with the output port supply VCCA or VCCB. (2) VCCI is the voltage associated with the input port supply VCCA or VCCB. (3) VOH: Output High Voltage; VOL: Output Low Voltage; II: Control Input Current. (4) The bus-hold circuit can sink at least the minimum low sustaining current at VIL maximum. IBHL should be measured after lowering VIN to GND and then raising it to VIL maximum. (5) The bus-hold circuit can source at least the minimum high sustaining current at VIH mininum. IBHH should be measured after raising VIN to VCC and then lowering it to VIH minimum. (6) An external driver must source at least IBHLO to switch this node from low to high. Copyright © 2004–2015, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: SN74AVCH2T45 |
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