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SN74AHC1G126DRLR データシート(PDF) 9 Page - Texas Instruments |
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SN74AHC1G126DRLR データシート(HTML) 9 Page - Texas Instruments |
9 / 22 page OE V GND A Y 5-V system CC µC or System Logic µC System Logic LEDs 5-V regulated SN74AHC1G126 www.ti.com SCLS379K – AUGUST 1997 – REVISED DECEMBER 2014 10 Application and Implementation NOTE Information in the following applications sections is not part of the TI component specification, and TI does not warrant its accuracy or completeness. TI’s customers are responsible for determining suitability of components for their purposes. Customers should validate and test their design implementation to confirm system functionality. 10.1 Application Information The SN74AHC1G126 is a low-drive CMOS device that can be used for a multitude of bus interface type applications where output ringing is a concern. The low drive and slow edge rates will minimize overshoot and undershoot on the outputs. The inputs are 5.5-V tolerant at any valid VCC, making it Ideal for translating down to VCC. 10.2 Typical Application Figure 5. Typical Application Schematic 10.2.1 Design Requirements This device uses CMOS technology and has balanced output drive. Care should be taken to avoid bus contention because it can drive currents that would exceed maximum limits. The high drive will also create fast edges into light loads, so routing and load conditions should be considered to prevent ringing. 10.2.2 Detailed Design Procedure 1. Recommended Input Conditions – For rise time and fall time specifications, see Δt/ΔV in the Recommended Operating Conditions table. – For specified High and low levels, see VIH and VIL in the Recommended Operating Conditions table. 2. Recommend Output Conditions – Load currents should not exceed 25 mA per output and 50 mA total for the part. – Outputs should not be pulled above VCC. Copyright © 1997–2014, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: SN74AHC1G126 |
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同様の説明 - SN74AHC1G126DRLR |
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