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SN74AHC594NSRE4 数据表(PDF) 5 Page - Texas Instruments |
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SN74AHC594NSRE4 数据表(HTML) 5 Page - Texas Instruments |
5 / 27 page SN54AHC594, SN74AHC594 www.ti.com SCLS423G – JUNE 1998 – REVISED JULY 2014 6.4 Thermal Information SN74AHC594 THERMAL METRIC(1) D DB N NS PW UNIT 16 PINS RθJA Junction-to-ambient thermal resistance 80.2 97.5 47.5 79.1 105.7 RθJC(top) Junction-to-case (top) thermal resistance 39.1 47.7 34.9 35.4 40.4 RθJB Junction-to-board thermal resistance 27.7 48.1 27.5 39.9 50.7 ψJT Junction-to-top characterization parameter 9.9 9.8 19.8 5.4 3.7 °C/W Junction-to-board characterization ψJB 37.4 47.6 27.4 39.5 50.1 parameter Junction-to-case (bottom) thermal RθJC(bot) n/a n/a n/a n/a n/a resistance (1) For more information about traditional and new thermal metrics, see the TI application report IC Package Thermal Metrics (SPRA953). 6.5 Electrical Characteristics over recommended operating free-air temperature range (unless otherwise noted) TA = 25°C SN54AHC594(1) SN74AHC594 PARAMETER TEST CONDITIONS VCC UNIT MIN TYP MAX MIN MAX MIN MAX 2 V 1.9 2 1.9 1.9 IOH = –50 µA 3 V 2.9 3 2.9 2.9 4.5 V 4.4 4.5 4.4 4.4 VOH V IOH = –4 mA 3 V 2.58 2.48 2.48 IOH = –8 mA 3.94 3.8 3.8 4.5 V QA – QH IOH = –8 mA 3.94 3.8 3.8 2 V 0.1 0.1 0.1 IOL = 50 µA 3 V 0.1 0.1 0.1 4.5 V 0.1 0.1 0.1 VOL V IOL = 4 mA 3 V 0.36 0.5 0.44 IOL = 8 mA 0.36 0.5 0.44 4.5 V 0.36 0.5 0.44 0 to 5.5 II VI = 5.5 V or GND ±0.1 ±1(2) ±1 µA V VI = VCC or ICC IO = 0 5.5 V 4 40 40 µA GND Ci VI = VCC or GND 5 V 2 10 10 pF (1) Product Preview (2) On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V. Copyright © 1998–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: SN54AHC594 SN74AHC594 |
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