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- Stock & Prices $ Price & Stock for SN74AS157N
- Part Number SN74AS157N
- Manufacturer Texas Instruments
- Pin Count 16
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - N (R-PDIP-T)
- Released Date May 27, 2022
- Last Modified Date Nov 30, 2023 6:26 AM UTC
- Pinout / Pin List Click Here (Member Only)
SN74AS157N Details
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Manufacturer Part Number:
SN74AS157N
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Brand Name:
Texas Instruments
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Part Package Code:
DIP
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Pin Count:
16
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Country Of Origin:
Malaysia, Mexico
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.90
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Manufacturer:
Texas Instruments
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YTEOL:
15
SN74AS157N Frequently Asked Questions (FAQs)
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The maximum frequency of operation for the SN74AS157N is typically around 100 MHz, but it can vary depending on the specific application and operating conditions. It's recommended to check the datasheet and perform simulations or testing to determine the maximum frequency for a specific design.
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To ensure proper signal integrity when using the SN74AS157N, it's essential to follow proper PCB design practices, such as using controlled impedance traces, minimizing signal routing distances, and using termination resistors as needed. Additionally, ensure that the power supply is clean and stable, and that the device is operated within its recommended operating conditions.
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Yes, the SN74AS157N can be used as a demultiplexer by simply reversing the input and output connections. However, keep in mind that the device is optimized for multiplexing applications, and demultiplexing may require additional circuitry or signal conditioning.
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The power consumption of the SN74AS157N depends on the operating frequency, input signal levels, and output load. According to the datasheet, the typical quiescent current is around 20 mA, and the dynamic power consumption is around 100 mW/MHz. However, it's recommended to perform power analysis and simulation to determine the exact power consumption for a specific design.
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The SN74AS157N is designed to operate with 5V logic levels, but it can also be used with 3.3V logic levels with some limitations. The device's input threshold voltage is around 2.5V, so it may not function correctly with 3.3V logic levels. However, it's possible to use level translators or voltage dividers to interface the SN74AS157N with 3.3V logic levels.
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SN74AS157N Overview
Use the download button to access the SN74AS157N schematic symbol, PCB footprint, and 3D model.
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.