SN7402N8 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The Texas Instruments SN7402N8 is a quad 2-input NOR gate IC from the TTL/H/L logic family, providing four independent NOR gate functions in a standard 14-pin plastic DIP package. Each gate operates with a 15 pF load capacitance rating and delivers robust TTL-compatible output levels for reliable digital logic design. Fully RoHS-compliant and widely available for worldwide shipping at competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN7402N8 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Quad 2-input NOR gate with four independent functions in a single 14-pin PDIP package, maximizing logic density for glue logic, address decoding, and combinational circuit designs
- TTL/H/L family logic levels providing direct compatibility with a wide range of 5 V TTL and LSTTL devices, simplifying integration into legacy and mixed-logic digital systems
- Plastic DIP (PDIP-14) through-hole package enabling straightforward breadboarding, socketed prototyping, and easy field replacement in industrial and educational applications
Applications
The SN7402N8 is a classic building block for combinational and sequential digital logic circuits, used in address decoding, signal inversion, and Boolean function implementation across industrial control, consumer electronics, and educational design projects. Its quad 2-input NOR gate configuration allows efficient implementation of any logic function using De Morgan's law, making it a versatile glue logic component in microprocessor interface and bus control designs. The robust TTL family output levels also make it suitable for driving logic inputs and indicator LEDs in legacy 5 V system maintenance and retrofit applications.
Specifications
| YTEOL | 0 |
| Family | TTL/H/L |
| JESD-30 Code | R-PDIP-T14 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 15pF |
| Logic IC Type | NOR GATE |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 27mA |
| Propagation Delay (tpd) | 22ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.25V |
| Supply Voltage-Min (Vsup) | 4.75V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN7402N8:
Frequently Asked Questions
How many NOR gates are in the SN7402N8 and how many inputs does each have?
The SN7402N8 contains four independent 2-input NOR gates in a single 14-pin PDIP package, providing a compact and cost-effective solution for implementing multiple NOR logic functions in a single device without requiring additional chips.
What logic family does the SN7402N8 belong to?
The SN7402N8 belongs to the TTL/H/L logic family, operating at standard 5 V TTL supply voltage and providing output levels directly compatible with other TTL, LSTTL, and CMOS logic devices used in 5 V digital systems.
What is the package type of the SN7402N8?
The SN7402N8 is packaged in a 14-pin Plastic Dual Inline Package (PDIP-14, JESD-30 code R-PDIP-T14), a through-hole format that is easy to insert into breadboards, sockets, and through-hole PCBs for prototyping and production use.
Is the SN7402N8 RoHS compliant?
Yes, the SN7402N8 carries a JESD-609 code of e4, confirming it meets RoHS lead-free requirements and is suitable for use in environmentally compliant products sold in regulated markets including the European Union and China.
What are typical applications for the SN7402N8?
Typical applications include glue logic circuits, address decoding in microprocessor systems, signal gating, combinational Boolean logic implementation, and any digital design requiring quad 2-input NOR functionality at 5 V TTL logic levels in a through-hole DIP package.
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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.
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