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SN74HC244DWRG4 Datasheet(PDF) 7 Page - Texas Instruments |
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SN74HC244DWRG4 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 32 page 7 SN54HC244, SN74HC244 www.ti.com SCLS130E – DECEMBER 1982 – REVISED MAY 2016 Product Folder Links: SN54HC244 SN74HC244 Submit Documentation Feedback Copyright © 1982–2016, Texas Instruments Incorporated 6.9 Switching Characteristics – CL = 50 pF over recommended operating free-air temperature range (unless otherwise noted; see Figure 2) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tpd From A (input) to Y (output) VCC = 2 V SN54HC244 170 ns SN74HC244 145 VCC = 4.5 V SN54HC244 34 SN74HC244 29 VCC = 6 V SN54HC244 29 SN74HC244 25 ten From OE (input) to Y (output) VCC = 2 V SN54HC244 225 ns SN74HC244 190 VCC = 4.5 V SN54HC244 45 SN74HC244 38 VCC = 6 V SN54HC244 38 SN74HC244 32 tdis From OE (input) to Y (output) VCC = 2 V SN54HC244 225 ns SN74HC244 190 VCC = 4.5 V SN54HC244 45 SN74HC244 38 VCC = 6 V SN54HC244 38 SN74HC244 32 tt To Y (output) VCC = 2 V SN54HC244 90 ns SN74HC244 75 VCC = 4.5 V SN54HC244 18 SN74HC244 15 VCC = 6 V SN54HC244 15 SN74HC244 13 6.10 Switching Characteristics – CL = 150 pF over recommended operating free-air temperature range (unless otherwise noted; see Figure 2) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tpd From A (input) to Y (output) VCC = 2 V SN54HC244 245 ns SN74HC244 210 VCC = 4.5 V SN54HC244 49 SN74HC244 42 VCC = 6 V SN54HC244 42 SN74HC244 35 ten From OE (input) to Y (output) VCC = 2 V SN54HC244 300 ns SN74HC244 250 VCC = 4.5 V SN54HC244 60 SN74HC244 50 VCC = 6 V SN54HC244 51 SN74HC244 43 tt To Y (output) VCC = 2 V SN54HC244 315 ns SN74HC244 265 VCC = 4.5 V SN54HC244 63 SN74HC244 53 VCC = 6 V SN54HC244 53 SN74HC244 45 |
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