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SN74HCT125N Datasheet(PDF) 3 Page - Texas Instruments |
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SN74HCT125N Datasheet(HTML) 3 Page - Texas Instruments |
3 / 12 page SN54HCT125, SN74HCT125 QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS SCLS069E – NOVEMBER 1988 – REVISED AUGUST 2003 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54HCT125 SN74HCT125 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT VOH VI = VIH or VIL IOH = –20 µA 4.5 V 4.4 4.499 4.4 4.4 V VOH VI = VIH or VIL IOH = –6 mA 4.5 V 3.98 4.3 3.7 3.84 V VOL VI = VIH or VIL IOL = 20 µA 4.5 V 0.001 0.1 0.1 0.1 V VOL VI = VIH or VIL IOL = 6 mA 4.5 V 0.17 0.26 0.4 0.33 V II VI = VCC or 0 5.5 V ±0.1 ±100 ±1000 ±1000 nA IOZ VO = VCC or 0, VI = VIH or VIL 5.5 V ±0.01 ±0.5 ±10 ±5 µA ICC VI = VCC or 0, IO = 0 5.5 V 8 160 80 µA ∆ICC† One input at 0.5 V or 2.4 V, Other inputs at 0 or VCC 5.5 V 1.4 2.4 3 2.9 mA Ci 4.5 V to 5.5 V 3 10 10* 10 pF * On products compliant to MIL-PRF-38535, this parameter is not production tested. † This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC. switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HCT125 SN74HCT125 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT tpd A Y 4.5 V 15 26 39 33 ns tpd A Y 5.5 V 12 23 35 30 ns ten OE Y 4.5 V 18 28 42 35 ns ten OE Y 5.5 V 15 25 38 31 ns tdis OE Y 4.5 V 15 26 39 33 ns tdis OE Y 5.5 V 13 23 35 30 ns tt Any 4.5 V 8 15 22 19 ns tt Any 5.5 V 7 14 21 17 ns switching characteristics over recommended operating free-air temperature range, CL = 150 pF (unless otherwise noted) (see Figure 1) PARAMETER FROM TO VCC TA = 25°C SN54HCT125 SN74HCT125 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) VCC MIN TYP MAX MIN MAX MIN MAX UNIT tpd A Y 4.5 V 19 36 58 46 ns tpd A Y 5.5 V 16 32 48 42 ns ten OE Y 4.5 V 25 40 60 50 ns ten OE Y 5.5 V 21 35 53 43 ns tt Any 4.5 V 17 42 63 53 ns tt Any 5.5 V 14 38 57 48 ns operating characteristics, TA = 25°C PARAMETER TEST CONDITIONS TYP UNIT Cpd Power dissipation capacitance No load 35 pF PRODUCT PREVIEW information concerns products in the formative or design phase of development. Characteristic data and other specifications are design goals. Texas Instruments reserves the right to change or discontinue these products without notice. |
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