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
What are the key features of SN7402N8?
- 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
What is SN7402N8 used for?
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.
What are the specifications of SN7402N8?
| 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 |
Where can I find the SN7402N8 datasheet?
SN7402N8 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN7402N8?
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.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 2026
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
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit