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SN74AHC157DBLE Folha de dados(PDF) 3 Page - Texas Instruments |
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SN74AHC157DBLE Folha de dados(HTML) 3 Page - Texas Instruments |
3 / 27 page SN54AHC157 SN74AHC157 www.ti.com SCLS345J – MAY 1996 – REVISED JUNE 2013 ABSOLUTE MAXIMUM RATINGS over operating free-air temperature range (unless otherwise noted) (1) VALUE UNIT Supply voltage range, VCC –0.5 to 7 V Input voltage range, VI (2) –0.5 to 7 V Output voltage range, VO (2) –0.5 to VCC + 0.5 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 D package(3) 73 DB package(3) 82 DGV package(3) 120 Package thermal impedance, θJA N package(3) 67 °C/W NS package(3) 64 PW package(3) 108 RGY package(4) 39 Storage temperature range, Tstg –65 to 150 °C (1) 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. (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. (4) The package thermal impedance is calculated in accordance with JESD 51-5. RECOMMENDED OPERATING CONDITIONS (1) SN54AHC157 SN74AHC157 UNIT MIN MAX MIN MAX VCC Supply voltage 2 5.5 2 5.5 V VCC= 2 V 1.5 1.5 VIH High-level input voltage VCC= 3V 2.1 2.1 V VCC= 5.5 V 3.85 3.85 VCC= 2 V 0.5 0.5 VIL Low-level Input voltage VCC= 3 V 0.9 0.9 V VCC= 5.5 V 1.65 1.65 VI Input voltage 0 5.5 0 5.5 V VO Output voltage 0 VCC 0 VCC V VCC= 2 V –50 –50 IOH High-level output current VCC= 3.3 V ± 0.3 V –4 –4 mA VCC= 5 V ± 0.5 V –8 –8 VCC= 2 V 50 50 IOL Low-level output current VCC= 3.3 V ± 0.3 V 4 4 mA VCC= 5 V ± 0.5 V 8 8 VCC= 3.3 V ± 0.3 V 100 100 Δt/Δv Input Transition rise or fall rate ns/V VCC= 5 V ± 0.5 V 20 20 TA Operating free-air temperature –55 125 –40 125 °C (1) All 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. Copyright © 1996–2013, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: SN54AHC157 SN74AHC157 |
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