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SN74HC244DB 数据表(PDF) 6 Page - Texas Instruments |
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SN74HC244DB 数据表(HTML) 6 Page - Texas Instruments |
6 / 32 page 6 SN54HC244, SN74HC244 SCLS130E – DECEMBER 1982 – REVISED MAY 2016 www.ti.com Product Folder Links: SN54HC244 SN74HC244 Submit Documentation Feedback Copyright © 1982–2016, Texas Instruments Incorporated 6.7 Electrical Characteristics – SN74HC244 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 = –6 mA, VCC = 4.5 V 3.84 IOH = –7.8 mA, VCC = 6 V 5.34 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 = 6 mA, VCC = 4.5 V 0.33 IOL = 7.8 mA, VCC = 6 V 0.33 II VI = VCC or 0, VCC = 6 V ±1000 nA IOZ VO = VCC or 0, VI = VIH or VIL, VCC = 6 V ±5 µA ICC VI = VCC or 0, IO = 0, VCC = 6 V 80 µA Ci VCC = 2 V to 6 V 10 pF 6.8 Switching Characteristics TA = 25°C (unless otherwise noted; see Figure 2) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tpd From A (input) to Y (output) VCC = 2 V CL = 50 pF 40 115 ns CL = 150 pF 56 165 VCC = 4.5 V CL = 50 pF 13 23 CL = 150 pF 18 33 VCC = 6 V CL = 50 pF 11 20 CL = 150 pF 15 28 ten From OE (input) to Y (output) VCC = 2 V CL = 50 pF 75 150 ns CL = 150 pF 100 200 VCC = 4.5 V CL = 50 pF 15 30 CL = 150 pF 20 40 VCC = 6 V CL = 50 pF 13 26 CL = 150 pF 17 34 tdis From OE (input) to Y (output) VCC = 2 V CL = 50 pF 75 150 ns VCC = 4.5 V CL = 50 pF 15 30 VCC = 6 V CL = 50 pF 13 26 tt To Y (output) VCC = 2 V CL = 50 pF 28 60 ns CL = 150 pF 45 210 VCC = 4.5 V CL = 50 pF 8 12 CL = 150 pF 17 42 VCC = 6 V CL = 50 pF 6 10 CL = 150 pF 13 36 |
类似零件编号 - SN74HC244DB |
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类似说明 - SN74HC244DB |
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