SN74HC42N Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
SN74HC42N is a high-speed CMOS 4-line to 10-line BCD-to-decimal decoder IC. Features 16-pin DIP package, 50 pF load capacitance, and 5.2 mA output current. From $0.30, in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN74HC42N Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3000(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74HC42N?
- 4-line BCD to 10-line decimal decoder with full binary decoding of all 16 input states
- High-speed HC CMOS logic with 50 pF load capacitance for reliable signal integrity
- Standard 16-pin DIP package (R-PDIP-T16) for easy through-hole PCB integration
- Low output sink current of 5.2 mA suitable for driving LEDs and logic loads
- Wide voltage operation compatible with standard 5V CMOS logic families
What is SN74HC42N used for?
The SN74HC42N is widely used in digital systems requiring BCD-to-decimal conversion, such as display drivers, keyboard encoders, and data multiplexing circuits. It is well-suited for industrial control panels, numeric display systems, and embedded systems where decoded decimal outputs drive relays, LEDs, or segment drivers. Its standard DIP packaging makes it ideal for prototyping and through-hole PCB designs in telecommunications and instrumentation equipment.
What are the specifications of SN74HC42N?
| YTEOL | 15 |
| Family | HC/UH |
| Input Conditioning | STANDARD |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | DECIMAL DECODER/DRIVER |
| Max I(ol) | 0.0052A |
| Number of Bits | 10 |
| Number of Functions | 1 |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 38ns |
| Propagation Delay (tpd) | 190ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia, Mexico |
Where can I find the SN74HC42N datasheet?
SN74HC42N Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74HC42N?
Compatible alternatives and drop-in replacements for SN74HC42N:
Frequently Asked Questions
What is the SN74HC42N and what does it do?
The SN74HC42N is a 4-line to 10-line BCD-to-decimal decoder from Texas Instruments. It accepts a 4-bit BCD input and activates one of 10 output lines corresponding to the decimal value, with a maximum load capacitance of 50 pF and output sink current of 5.2 mA.
What package type does the SN74HC42N come in?
The SN74HC42N is available in a 16-pin Dual-In-Line Package (DIP), designated as R-PDIP-T16. This through-hole package is ideal for breadboard prototyping and traditional PCB assembly, with a standard 0.1-inch pin pitch.
What are typical applications for the SN74HC42N?
Typical applications include BCD-to-decimal decoding in digital displays, keyboard matrix scanning, data demultiplexing, and industrial control panels. It is also used in instrumentation equipment and embedded systems where decimal-decoded outputs are needed to drive LEDs, relays, or segment display drivers.
What are the alternatives to the SN74HC42N?
Compatible alternatives include the CD74HC42E (Texas Instruments), MM74HC42N (Fairchild), and 74HC42 variants from NXP and ON Semiconductor. These share the same BCD-to-decimal decoding function, 16-pin DIP packaging, and HC CMOS logic family compatibility.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.3000 | $0.30 |
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