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84099012A Datasheet(PDF) 5 Page - Texas Instruments |
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84099012A Datasheet(HTML) 5 Page - Texas Instruments |
5 / 32 page 5 SN54HC273, SN74HC273 www.ti.com SCLS136E – DECEMBER 1982 – REVISED JULY 2016 Product Folder Links: SN54HC273 SN74HC273 Submit Documentation Feedback Copyright © 1982–2016, Texas Instruments Incorporated (1) For more information about traditional and new thermal metrics, see Semiconductor and IC Package Thermal Metrics. (2) The package thermal impedance is calculated in accordance with JESD 51-7. 6.4 Thermal Information THERMAL METRIC(1) SN74HC273 UNIT DB (SSOP) DW (SOIC) N (PDIP) NS (SO) PW (TSSOP) 20 PINS 20 PINS 20 PINS 20 PINS 20 PINS RθJA Junction-to-ambient thermal resistance(2) 90.3 77.4 45.1 72.6 98.3 °C/W RθJC(top) Junction-to-case (top) thermal resistance 51.7 42.8 31.1 38.9 33.3 °C/W RθJB Junction-to-board thermal resistance 45.5 45.2 26 40.1 49.3 °C/W ψJT Junction-to-top characterization parameter 17.7 16.7 16.6 15.7 2 °C/W ψJB Junction-to-board characterization parameter 45.1 44.7 25.9 39.7 48.7 °C/W 6.5 Electrical Characteristics TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH VI = VIH or VIL IOH = –20 µA VCC = 2 V 1.9 1.998 V VCC = 4.5 V 4.4 4.499 VCC = 6 V 5.9 5.999 IOH = –4 mA, VCC = 4.5 V 3.98 4.3 IOH = –5.2 mA, VCC = 6 V 5.48 5.8 VOL VI = VIH or VIL IOL = 20 µA VCC = 2 V 0.002 0.1 V VCC = 4.5 V 0.001 0.1 VCC = 6 V 0.001 0.1 IOL = 4 mA, VCC = 4.5 V 0.17 0.26 IOL = 5.2 mA, VCC = 6 V 0.15 0.26 II VI = VCC or 0, VCC = 6 V ±0.1 ±100 nA ICC VI = VCC or 0, IO = 0, VCC = 6 V 8 µA Ci VCC = 2 V to 6 V 3 10 pF 6.6 Electrical Characteristics – SN54HC273 over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH VI = VIH or VIL IOH = –20 µA VCC = 2 V 1.9 V VCC = 4.5 V 4.4 VCC = 6 V 5.9 IOH = –4 mA, VCC = 4.5 V 3.7 IOH = –5.2 mA, VCC = 6 V 5.2 VOL VI = VIH or VIL IOL = 20 µA VCC = 2 V 0.1 V VCC = 4.5 V 0.1 VCC = 6 V 0.1 IOL = 4 mA, VCC = 4.5 V 0.4 IOL = 5.2 mA, VCC = V 0.4 II VI = VCC or 0, VCC = 6 V ±1000 nA ICC VI = VCC or 0, IO = 0, VCC = 6 V 160 µA Ci VCC = 2 V to 6 V 10 pF |
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