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SN7407D 数据表(PDF) 9 Page - Texas Instruments |
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SN7407D 数据表(HTML) 9 Page - Texas Instruments |
9 / 25 page 9 SN5407, SN5417, SN7407, SN7417 www.ti.com SDLS032H – DECEMBER 1983 – REVISED SEPTEMBER 2016 Product Folder Links: SN5407 SN5417 SN7407 SN7417 Submit Documentation Feedback Copyright © 1983–2016, Texas Instruments Incorporated 9 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. 9.1 Application Information The SN74x7 device is a high-drive, open-collector device that is used for multiple buffer-type functions. The device produces 30 mA of drive current. Therefore, this device is ideal for driving multiple inputs and for high- speed applications up to 100 MHz. The outputs are high voltage tolerant up to 30 V for the SNx407. 9.2 Typical Application Figure 4. Typical Application Diagram 9.2.1 Design Requirements Avoid bus contention because it can drive currents that would exceed maximum limits. The high drive also creates fast edges into light loads; therefore, routing and load conditions must be considered to prevent ringing. 9.2.2 Detailed Design Procedure 1. Recommended Input Conditions – Rise time and fall time specs: See tPHL and tPLH in Switching Characteristics. – Specified high and low levels: See VIH and VIL in Recommended Operating Conditions. 2. Recommend Output Conditions – Load currents must not exceed 30 mA. – Outputs must not be pulled above 30 V for the SNx407 device. |
类似零件编号 - SN7407D |
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类似说明 - SN7407D |
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