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SN74AHCT08PWG4 bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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4 / 31 page SN54AHCT08, SN74AHCT08 SCLS237N – OCTOBER 1995 – REVISED SEPTEMBER 2015 www.ti.com 7 Specifications 7.1 Absolute Maximum Ratings over operating free-air temperature range (unless otherwise noted) (1) MIN MAX UNIT VCC Supply voltage range –0.5 7 V VI Input voltage range(2) –0.5 7 V VO Output voltage range(2) –0.5 VCC + 0.5 V IIK Input clamp current VI < 0 –20 mA IOK Output clamp current VO < 0 or VO > VCC ±20 mA IO Continuous output current VO = 0 to VCC ±25 mA Continuous current through VCC or GND ±50 mA Tstg Storage temperature range –65 150 °C TJ Junction temperature 150 °C (1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. 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. 7.2 ESD Ratings VALUE UNIT Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V(ESD) Electrostatic discharge V Charged-device model (CDM), per JEDEC specification JESD22- ±1000 C101(2) (1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process. Manufacturing with less than 500-V HBM is possible with the necessary precautions. (2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process. Manufacturing with less than 250-V CDM is possible with the necessary precautions. 7.3 Recommended Operating Conditions over operating free-air temperature range (unless otherwise noted) (1) SN54AHCT08 SN74AHCT08 UNIT MIN MAX MIN MAX VCC Supply voltage 4.5 5.5 4.5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VI Input voltage 0 5.5 0 5.5 V VO Output voltage 0 VCC 0 VCC V IOH High-level output current –8 –8 mA IOL Low-level output current 8 8 mA Δt/Δv Input transition rise or fall rate 20 20 ns/V 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, (SCBA004). 4 Submit Documentation Feedback Copyright © 1995–2015, Texas Instruments Incorporated Product Folder Links: SN54AHCT08 SN74AHCT08 |
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