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SN74HC125DB 数据表(PDF) 2 Page - Texas Instruments |
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SN74HC125DB 数据表(HTML) 2 Page - Texas Instruments |
2 / 6 page SN54HC125, SN74HC125 QUADRUPLE BUS BUFFER GATES WITH 3-STATE OUTPUTS SCLS104B – MARCH 1984 – REVISED MAY 1997 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 logic diagram (positive logic) 1 1OE 2 1A 1Y 3 4 2OE 5 2A 2Y 6 10 3OE 9 3A 3Y 8 13 4OE 12 4A 4Y 11 Pin numbers shown are for the D, DB, J, N, and W packages. 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) (see Note 1) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO (VO = 0 to VCC) ±35 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND ±70 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 2): D package 127 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DB package 158 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N package 78 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –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. NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace length of zero. recommended operating conditions SN54HC125 SN74HC125 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 2 5 6 2 5 6 V VCC = 2 V 1.5 1.5 VIH High-level input voltage VCC = 4.5 V 3.15 3.15 V VCC = 6 V 4.2 4.2 VCC = 2 V 0 0.5 0 0.5 VIL Low-level input voltage VCC = 4.5 V 0 1.35 0 1.35 V VCC = 6 V 0 1.8 0 1.8 VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V VCC = 2 V 0 1000 0 1000 tt Input transition (rise and fall) time VCC = 4.5 V 0 500 0 500 ns VCC = 6 V 0 400 0 400 TA Operating free-air temperature –55 125 –40 85 °C |
类似零件编号 - SN74HC125DB |
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类似说明 - SN74HC125DB |
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