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SN74AHCT14PWR датащи(PDF) 5 Page - Texas Instruments |
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SN74AHCT14PWR датащи(HTML) 5 Page - Texas Instruments |
5 / 33 page SN54AHCT14, SN74AHCT14 www.ti.com SCLS246Q – OCTOBER 1995 – REVISED JULY 2014 7.4 Thermal Information SN74AHCT595 THERMAL METRIC(1) D DGV DB N NS PW RGY UNIT 14 PINS Junction-to-ambient thermal RθJA 101.2 138.7 113.1 61.1 98.6 129.9 63.7 resistance Junction-to-case (top) thermal RθJC(top) 62.3 60.6 65.6 48.0 54.1 58.3 77.6 resistance Junction-to-board thermal RθJB 55.5 71.8 60.4 41.0 57.4 71.8 39.7 resistance °C/W Junction-to-top characterization ψJT 25.5 10.6 25.5 32.4 19.6 10.2 5.7 parameter Junction-to-board characterization ψJB 55.2 71.1 59.9 40.9 57.0 71.2 39.9 parameter Junction-to-case (bottom) thermal RθJC(bot) n/a n/a n/a n/a n/a n/a 19.9 resistance (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, (SPRA953). 7.5 Electrical Characteristics over operating free-air temperature range (unless otherwise noted) TA = 25°C SN54AHCT14 SN74AHCT14 PARAMETER TEST CONDITIONS VCC UNIT MIN TYP MAX MIN MAX MIN MAX VT+ 4.5 V 0.9 1.9 0.9 1.9 0.9 1.9 Positive-going V input threshold 5.5 V 1 2.1 1 2.1 1 2.1 voltage VT– 4.5 V 0.5 1.5 0.5 1.5 0.5 1.5 Negative-going V input threshold 5.5 V 0.6 1.7 0.6 1.7 0.6 1.7 voltage ΔVT 4.5 V 0.4 1.4 0.4 1.4 0.4 1.4 Hysteresis V 5.5 V 0.4 1.5 0.4 1.5 0.4 1.5 ( VT+ – VT– ) IOH = –50 µA 4.4 4.5 4.4 4.4 VOH 4.5 V V IOH = –8 mA 3.94 3.8 3.8 IOL = 50 µA 0.1 0.1 0.1 VOL 4.5 V V IOL = 8 mA 0.36 0.44 0.44 0 V to II VI = 5.5 V or GND ±0.1 ±1(1) ±1 µA 5.5 V ICC VI = VCC or GND IO = 0 5.5 V 2 20 20 µA One input at 3.4 V, ΔICC (2) 5.5 V 1.35 1.5 1.5 mA Other inputs at VCC or GND Ci VI = VCC or GND 5 V 2 10 10 pF (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. 7.6 Switching Characteristics over operating free-air temperature range (unless otherwise noted) FROM TO TA = 25°C SN54AHCT14 SN74AHCT14 LOAD PARAMETER UNIT (INPUT) (OUTPUT) CAPACITANCE MIN TYP MAX MIN MAX MIN MAX tPLH 4(1) 7(1) 1(1) 8(1) 1 8 A Y CL = 15 pF ns tPHL 4(1) 7(1) 1(1) 8(1) 1 8 tPLH 5.5 8 1 9 1 9 A Y CL = 50 pF ns tPHL 5.5 8 1 9 1 9 (1) On products compliant to MIL-PRF-38535, this parameter is not production tested. Copyright © 1995–2014, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: SN54AHCT14 SN74AHCT14 |
Аналогичный номер детали - SN74AHCT14PWR |
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Аналогичное описание - SN74AHCT14PWR |
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