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74AHCT1G125DRLRG4 데이터시트(PDF) 5 Page - Texas Instruments |
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74AHCT1G125DRLRG4 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 22 page 5 SN74AHCT1G125 www.ti.com SCLS378N – AUGUST 1997 – REVISED JANUARY 2016 Product Folder Links: SN74AHCT1G125 Submit Documentation Feedback Copyright © 1997–2016, 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) SN74AHCT1G125 UNIT DBV DCK DRL 5 PINS RθJA Junction-to-ambient thermal resistance 231.3 287.6 328.7 °C/W RθJC(top) Junction-to-case (top) thermal resistance 119.9 97.7 105.1 RθJB Junction-to-board thermal resistance 60.6 65. 150.3 ψJT Junction-to-top characterization parameter 17.8 2.0 6.9 ψJB Junction-to-board characterization parameter 60.1 64.2 148.4 (1) 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 –40°C to 85°C –40°C to 125°C UNIT MIN TYP MAX MIN MAX MIN MAX VOH IOH = –50 µA 4.5 V 4.4 4.5 4.4 4.4 V IOH = –8 mA 3.94 3.8 3.8 VOL IOL = 50 µA 4.5 V 0.1 0.1 0.1 V IOL = 8 mA 0.36 0.44 0.44 II VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1 ±1 µA IOZ VO = VCC or GND 5.5 V ±0.25 ±2.5 ±2.5 µA ICC VI = VCC or GND, IO = 0 5.5 V 1 10 10 µA ∆ICC (1) One input at 3.4 V, Other input at VCC or GND 5.5 V 1.35 1.5 1.5 mA Ci VI = VCC or GND 5 V 4 10 10 10 pF Co VO = VCC or GND 5 V 10 pF 7.6 Switching Characteristics over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 2) PARAMETER FROM (INPUT) TO (OUTPUT) LOAD CAPACITANCE TA = 25°C –40°C to 85°C –40°C to 125°C UNIT MIN TYP MAX MIN MAX MIN MAX tPLH A Y CL = 15 pF 3.8 5.5 1 6.5 1 7 ns tPHL 3.8 5.5 1 6.5 1 7 tPZH OE Y CL = 15 pF 3.6 5.1 1 6 1 6.5 ns tPZL 3.6 5.1 1 6 1 6.5 tPHZ OE Y CL = 15 pF 4.6 6.8 1 8 1 8.5 ns tPLZ 4.6 6.8 1 8 1 8.5 tPLH A Y CL = 50 pF 5.3 7.5 1 8.5 1 9.5 ns tPHL 5.3 7.5 1 8.5 1 9.5 tPZH OE Y CL = 50 pF 5.1 7.1 1 8 1 9 ns tPZL 5.1 7.1 1 8 1 9 tPHZ OE Y CL = 50 pF 6.1 8.8 1 10 1 11 ns tPLZ 6.1 8.8 1 10 1 11 |
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