SN74121N3 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
PDIP. N. 14. TBD. Call TI. Call TI. SN74121NSR. ACTIVE. SO. NS. 14. 2000. Pb-Free. (RoHS). CU NIPDAU. Level-2-260C-1 YEAR/
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74121N3 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 SN74121N3?
- Integrated Circuit from Texas Instruments identified by manufacturer part number SN74121N3
- Documented technical context includes 74121NS for engineering comparison
- Package or mechanical reference recorded as Dual-In-Line Packages for footprint checks
- Suitable for BOM sourcing, alternate review, repair stocking, and production procurement workflows
- Datasheet-backed context should be matched against voltage, current, timing, package, and lifecycle requirements before approval
What is SN74121N3 used for?
SN74121N3 is typically sourced for embedded electronics, industrial controls, communications equipment, and production BOM maintenance where buyers need a manufacturer-traceable integrated circuit with verifiable datasheet context. It is suitable for engineering replacement reviews, prototype builds, and production purchasing workflows that must confirm package fit, lifecycle risk, and key ratings such as 74121NS.
What are the specifications of SN74121N3?
| Pbfree Code | No |
| YTEOL | 0 |
| Family | 74121 |
| JESD-30 Code | R-PDIP-T14 |
| Logic IC Type | MONOSTABLE MULTIVIBRATOR |
| Number of Data/Clock Inputs | 3 |
| Number of Functions | 1 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Propagation Delay (tpd) | 80ns |
| 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 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 SN74121N3 datasheet?
SN74121N3 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74121N3?
Compatible alternatives and drop-in replacements for SN74121N3:
Frequently Asked Questions
Which design checks should buyers confirm before selecting SN74121N3?
Buyers should verify the integrated circuit role, package fit, lifecycle status, and datasheet ratings before approving this part. The fetched technical context includes 74121NS, which should be matched against the target circuit and sourcing documentation.
How does the recorded package information affect sourcing SN74121N3?
The recorded package reference is Dual-In-Line Packages, so purchasers should confirm footprint compatibility, assembly handling, and approved manufacturer documentation. Include 74121NS in the engineering review so procurement does not substitute a part with mismatched limits.
When comparing alternates for SN74121N3, which parameters matter most?
Start with manufacturer, component category, package style, lifecycle status, and the electrical or mechanical ratings shown in the datasheet. Because the available context includes 74121NS, any alternate should match that requirement before release.
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