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SN74HCT126DR Scheda tecnica(PDF) 2 Page - Texas Instruments |
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SN74HCT126DR Scheda tecnica(HTML) 2 Page - Texas Instruments |
2 / 5 page SN54HCT126, SN74HCT126 QUADRUPLE BUS BUFFER GATES WITH 3STATE OUTPUTS SCLS070A − NOVEMBER 1988 − REVISED NOVEMBER 1990 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 absolute maximum ratings over operating free-air temperature range† Supply voltage range, VCC −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0 or VI > VCC) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0 or VO > VCC) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO (VO = 0 to VCC) ±35 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND pins ±70 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 in) from case for 60 s: FK or J package 300 °C . . . . . . . . . . . . . . . . . . . . . . . . Lead temperature 1,6 mm (1/16 in) from case for 10 s: DW or N package 260 °C . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. recommended operating conditions SN54HCT126 SN74HCT126 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage VCC = 4.5 V to 5.5 V 2 2 V VIL Low-level input voltage VCC = 4.5 V to 5.5 V 0 0.8 0 0.8 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V tt Input transition (rise and fall) time 0 500 0 500 ns TA Operating free-air temperature −55 125 −40 85 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C SN54HCT126 SN74HCT126 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-STD-883C, Class B, 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. 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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