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SN74AHCT240N Fiches technique(PDF) 5 Page - Texas Instruments |
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SN74AHCT240N Fiches technique(HTML) 5 Page - Texas Instruments |
5 / 28 page 5 SN54AHCT240, SN74AHCT240 www.ti.com SCLS252M – OCTOBER 1995 – REVISED APRIL 2016 Product Folder Links: SN54AHCT240 SN74AHCT240 Submit Documentation Feedback Copyright © 1995–2016, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report (SPRA953). 7.4 Thermal Information THERMAL METRIC(1) SN74AHCT240 UNIT DW DB DGV N NS PW 20 PINS 20 PINS 20 PINS 20 PINS 20 PINS 20 PINS RθJA Junction-to-ambient thermal resistance 83.0 99.9 119.2 54.9 80.4 105.4 °C/W RθJC(top) Junction-to-case (top) thermal resistance 48.9 61.7 34.5 41.7 46.9 39.5 RθJB Junction-to-board thermal resistance 50.5 55.2 60.7 35.8 47.9 56.4 ψJT Junction-to-top characterization parameter 21.1 22.6 1.2 27.9 19.9 3.1 ψJB Junction-to-board characterization parameter 50.1 54.8 60.0 35.7 47.5 55.8 (1) On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V. (2) This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC. 7.5 Electrical Characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54AHCT240 –40°C to 85°C SN74AHCT240 –40°C to 125°C SN74AHCT240 UNIT MIN TYP MAX MIN MAX MIN MAX MIN MAX VOH IOH = –50 µA 4.5 V 4.4 4.5 4.4 4.4 4.4 V IOH = –8 mA 3.94 3.8 3.8 3.8 VOL IOL = 50 µA 4.5 V 0.1 0.1 0.1 0.1 V IOL = 8 mA 0.36 0.44 0.44 0.44 IOZ VO = VCC or GND 5.5 V ±0.25 ±2.5 ±2.5 ±2.5 µA II VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1(1) ±1 ±1 µA ICC VI = VCC or GND, IO = 0 5.5 V 4 40 40 40 µA ΔICC (2) One input at 3.4 V, Other inputs at VCC or GND 5.5 V 1.35 1.5 1.5 1.5 mA Ci VI = VCC or GND 5 V 2.5 10 10 10 pF Co VO = VCC or GND 5 V 3 pF |
Numéro de pièce similaire - SN74AHCT240N |
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Description similaire - SN74AHCT240N |
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