SN74ALS280DG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74ALS280DG4 is a 9-bit odd/even parity generator and checker from Texas Instruments in the ALS logic family. It provides both odd and even parity outputs simultaneously in a 14-Pin SOIC package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- SN74ALS280DG4 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
- 9-bit parity generator and checker with simultaneous odd and even parity outputs for versatile error detection
- ALS logic family delivers low power consumption with high-speed performance for data integrity circuits
- Single-function 14-Pin SOIC package enables compact PCB layout in communication and storage systems
- Compatible with standard TTL logic levels for straightforward integration into existing digital designs
Applications
The SN74ALS280DG4 is used in digital communication and data storage systems where error detection through parity checking is required, such as memory bus parity checking, UART data verification, and serial communication link integrity monitoring. Its simultaneous odd and even parity outputs make it flexible for use in both odd-parity and even-parity protocol systems without additional logic. It is commonly found in industrial data acquisition systems, legacy computing hardware, and telecommunications equipment requiring single-bit error detection.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | ODD/EVEN PARITY GENERATOR |
| Family | ALS |
| JESD-30 Code | R-PDSO-G14 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | PARITY GENERATOR/CHECKER |
| Number of Bits | 9 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Power Supply Current-Max (ICC) | 16mA |
| Propagation Delay (tpd) | 22ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | TTL |
| Temperature Grade | COMMERCIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline 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 SN74ALS280DG4:
Parity Generator/Checker, ALS Series, 9-Bit, Complementary Output, TTL, PDSO14
Frequently Asked Questions
What does the SN74ALS280DG4 do?
The SN74ALS280DG4 is a 9-bit parity generator and checker that computes odd and even parity across up to 9 input bits simultaneously, enabling single-bit error detection in data buses, memory interfaces, and serial communication systems.
Does the SN74ALS280DG4 provide both odd and even parity outputs?
Yes, the SN74ALS280DG4 provides both odd and even parity outputs simultaneously, allowing it to be used in systems requiring either parity convention without additional logic gates or multiplexing.
What logic family does the SN74ALS280DG4 belong to?
The SN74ALS280DG4 belongs to the ALS (Advanced Low-power Schottky) logic family, which offers improved speed and lower power consumption compared to the original LS family while maintaining TTL-compatible logic levels.
What package is the SN74ALS280DG4 available in?
The SN74ALS280DG4 is available in a 14-Pin SOIC (Small Outline Integrated Circuit) surface-mount package, which is compact and suitable for automated PCB assembly in space-constrained digital circuit designs.
What applications is the SN74ALS280DG4 used in?
The SN74ALS280DG4 is used in memory bus parity checking, UART data validation, serial communication link integrity verification, and legacy computing systems where 9-bit parity generation and checking is needed for single-bit error detection.
Related Guides
SN74LVC14APWR Hex Schmitt-Trigger Inverter: Application Note and Design Guide
Complete design guide for the SN74LVC14APWR hex Schmitt-trigger inverter: thresholds, decoupling, oscillator design, package selection, and common pitfalls.
May 21, 2026
TPS62841DGRR Buck Converter Selection Guide: Ultra-Low 60 nA IQ for Battery-Powered IoT
How to choose the right TPS62841 variant for IoT, wearables, and wireless sensors: quiescent current, voltage range, package, and application examples.
May 21, 2026
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 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.”