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Home Product 7442 BCD-to-Decimal Decoder IC, SN74 Series, Texas Instruments, Logic Circuit Component
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7442 BCD-to-Decimal Decoder IC, SN74 Series, Texas Instruments, Logic Circuit Component

SN7442
BCD Decoder IC
7442 TTL IC
7442
SN7442 BCD Decoder IC converts 4-bit BCD input to 10-line decimal outputs, designed for high-speed TTL logic integration. The 7442 TTL IC features active-low outputs and reliable performance in digital decoding applications.
Categories:Office Supplies
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Product Description

The SN7442 is a BCD Decoder IC designed to convert 4-bit binary-coded decimal (BCD) inputs into 10 active-low outputs, making it ideal for driving decimal displays or selector circuits. This 7442 TTL IC operates on a standard 5V power supply and supports a temperature range of 0°C to 70°C, suitable for industrial control systems and digital instrumentation. With 4 input lines and 10 decoded outputs, it interfaces directly with TTL-compatible devices and logic circuits. Key advantages include low propagation delay and robust noise immunity, though it lacks built-in output drive capability, requiring external components for higher current loads. While not applicable for battery-powered or display-based applications, its compact 16-pin design and reliability make it a staple in automation and legacy computing systems.
Parameter Specification
Technology TTL (SN7442)
Supply Voltage 4.75V to 5.25V
Input Type BCD (4-bit)
Output Type Active Low (10 outputs)
Power Dissipation 100mW (max)
Propagation Delay 22ns (max)
Input Current 1.6mA (max)
Output Current 16mA (sink)
Operating Temperature 0°C to +70°C
Package 16-pin DIP
Logic Function BCD-to-Decimal Decoder
Output Enable No internal enable input
Noise Margin 400mV (min)
question:How is after-sales handled if a refurbished product malfunctions?
answer:We will inspect, repair, or replace it per warranty terms.
question:Can I self-schedule official courier pickup?
answer:Please contact our support team to arrange pickup.
question:Can I self-schedule official courier pickup?
answer:Please contact our support team to arrange pickup.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:How is after-sales handled if a refurbished product malfunctions?
answer:We will inspect, repair, or replace it per warranty terms.
question:Can I self-schedule official courier pickup?
answer:Please contact our support team to arrange pickup.
question:Can I self-schedule official courier pickup?
answer:Please contact our support team to arrange pickup.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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