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SN74AHC123APWRE4 数据表(PDF) 4 Page - Texas Instruments |
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SN74AHC123APWRE4 数据表(HTML) 4 Page - Texas Instruments |
4 / 23 page SN54AHC123A, SN74AHC123A DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATORS SCLS352H − JULY 1997 − REVISED OCTOBER 2005 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltage range, VCC (see Note 1) −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, VI (see Note 2) −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output voltage range in high or low state, VO (see Note 1) −0.5 V to VCC + 0.5 V . . . . . . . . . . . . . . . . . . . . . . . Output voltage range in power-off state, VO (see Note 1) −0.5 V to 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input clamp current, IIK (VI < 0) −20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Output clamp current, IOK (VO < 0 or VO > VCC) ±20 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous output current, IO (VO = 0 to VCC) ±25 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous current through VCC or GND ±50 mA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Package thermal impedance, θJA (see Note 3): D package 73 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DB package 82 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DGV package 120 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N package 67 °C/W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PW package 108 °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. Voltage values are with respect to the network ground terminal. 2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed. 3. The package thermal impedance is calculated in accordance with JESD 51-7. recommended operating conditions (see Note 4) SN54AHC123A SN74AHC123A UNIT MIN MAX MIN MAX UNIT VCC Supply voltage 2 5.5 2 5.5 V VCC = 2 V 1.5 1.5 VIH High-level input voltage VCC = 3 V 2.1 2.1 V VIH High-level input voltage VCC = 5.5 V 3.85 3.85 V VCC = 2 V 0.5 0.5 VIL Low-level input voltage VCC = 3 V 0.9 0.9 V VIL Low-level input voltage VCC = 5.5 V 1.65 1.65 V VI Input voltage 0 5.5 0 5.5 V VO Output voltage 0 VCC 0 VCC V VCC = 2 V −50 −50 mA IOH High-level output current VCC = 3.3 V ± 0.3 V −4 −4 mA IOH High-level output current VCC = 5 V ± 0.5 V −8 −8 mA VCC = 2 V 50 50 mA IOL Low-level output current VCC = 3.3 V ± 0.3 V 4 4 mA IOL Low-level output current VCC = 5 V ± 0.5 V 8 8 mA Rext External timing resistance VCC = 2 V 5k 5k Ω Rext External timing resistance VCC > 3 V 1k 1k Ω ∆t/∆VCC Power-up ramp rate 1 1 ms/V TA Operating free-air temperature −55 125 −40 85 °C NOTE 4: Unused Rext/Cext terminals should be left unconnected. All remaining unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004. |
类似零件编号 - SN74AHC123APWRE4 |
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类似说明 - SN74AHC123APWRE4 |
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