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74VHC153MX Specifications
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TypeParameter
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Supplier Device Package16-SOIC
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Package / Case16-SOIC (0.154", 3.90mm Width)
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Mounting TypeSurface Mount
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Operating Temperature-40°C ~ 85°C
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Voltage - Supply2V ~ 5.5V
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Voltage Supply SourceSingle Supply
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Current - Output High, Low8mA, 8mA
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Independent Circuits1
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Circuit2 x 4:1
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TypeMultiplexer
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PackagingCut Tape (CT)
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PackagingTape & Reel (TR)
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Product StatusObsolete
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Series74VHC
The MM74C923N is a 9-key encoder integrated circuit chip manufactured by National Semiconductor, now owned by Texas Instruments. It has several advantages and application scenarios, including:1. Advantages:- Compact Design: The MM74C923N chip integrates multiple components into a single chip, reducing the space required on a PCB.- Cost-Effective: Its integration helps reduce the number of additional components required in a circuit, resulting in cost savings.- Low Power Consumption: The chip operates using low power, making it suitable for battery-powered applications.- Versatility: The chip can be used in different application scenarios and with various switches and keypads.2. Application Scenarios:- Keyboard Encoder: The MM74C923N chip is commonly used as a keyboard encoder in applications that require user input, such as calculators, industrial controls, and electronic appliances. It converts keypresses into binary or BCD (Binary-Coded Decimal) output signals.- Data Entry Systems: The chip can be employed in data entry systems where quick and reliable key input is necessary, such as point-of-sale (POS) terminals, ticket vending machines, or industrial control panels.- Automation Systems: The MM74C923N can be utilized in automation systems that require human-machine interaction, such as home automation systems, security systems, or equipment control panels.- Gaming Consoles: It can be used in gaming consoles or arcade machines to decode key inputs from various buttons and switches.- Mobile Devices: The chip can be integrated into mobile devices, such as smartphones or tablets, to facilitate touch keypad or button input.Overall, the MM74C923N integrated circuit chip offers the advantages of compactness, cost-effectiveness, low power consumption, and versatility. Its application scenarios range from keyboards and data entry systems to automation, gaming, and mobile devices.
74VHC153MX Relevant information