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SN74HCS125-Q1 bảng dữ liệu(PDF) 10 Page - Texas Instruments |
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SN74HCS125-Q1 bảng dữ liệu(HTML) 10 Page - Texas Instruments |
10 / 16 page Data OE A Y Output System Controller 10 SN74HCS125-Q1 SCLS752 – APRIL 2020 www.ti.com Product Folder Links: SN74HCS125-Q1 Submit Documentation Feedback Copyright © 2020, 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 In this application, a buffer with a 3-state output is used to disable a data signal as shown in Figure 9. The remaining three buffers can be used for signal conditioning in other places in the system, or the inputs can be grounded and the channels left unused. 9.2 Typical Application Figure 9. Typical application block diagram 9.2.1 Design Requirements 9.2.1.1 Power Considerations Ensure the desired supply voltage is within the range specified in the Recommended Operating Conditions. The supply voltage sets the device's electrical characteristics as described in the Electrical Characteristics. The supply must be capable of sourcing current equal to the total current to be sourced by all outputs of the SN74HCS125-Q1 plus the maximum supply current, ICC, listed in the Electrical Characteristics. The logic device can only source or sink as much current as it is provided at the supply and ground pins, respectively. Be sure not to exceed the maximum total current through GND or VCC listed in the Absolute Maximum Ratings. Total power consumption can be calculated using the information provided in CMOS Power Consumption and Cpd Calculation. Thermal increase can be calculated using the information provided in Thermal Characteristics of Standard Linear and Logic (SLL) Packages and Devices. CAUTION The maximum junction temperature, TJ(max) listed in the Absolute Maximum Ratings, is an additional limitation to prevent damage to the device. Do not violate any values listed in the Absolute Maximum Ratings. These limits are provided to prevent damage to the device. 9.2.1.2 Input Considerations Input signals must cross Vt-(min) to be considered a logic LOW, and Vt+(max) to be considered a logic HIGH. Do not exceed the maximum input voltage range found in the Absolute Maximum Ratings. |
Số phần tương tự - SN74HCS125-Q1 |
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Mô tả tương tự - SN74HCS125-Q1 |
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