CD54HCT280F3A Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
Texas Instruments CD54HCT280 is a high-speed CMOS 9-bit odd/even parity generator and checker in the HCT logic family. Key specs: 4.5V to 5.5V supply, -55°C to 125°C range, 14-pin ceramic DIP package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- CD54HCT280F3A Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of CD54HCT280F3A?
- 9-bit parity generation and checking in a single IC enables real-time error detection for data integrity verification in digital systems
- Dual odd/even parity outputs allow flexible use as either a parity generator or checker without external inversion logic
- HCT logic family with TTL-compatible inputs enables direct interfacing with legacy 5V TTL data buses and processors
What is CD54HCT280F3A used for?
The CD54HCT280F3A is designed for data integrity checking in memory systems, data communication interfaces, and digital computing equipment where error detection is critical. Its 9-bit parity capability supports standard 8-bit data byte plus parity bit implementations used in DRAM, SRAM, and serial communication protocols. The ceramic DIP package and wide -55°C to 125°C operating range make it ideal for military, aerospace, and ruggedized industrial equipment.
What are the specifications of CD54HCT280F3A?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | HCT |
| JESD-30 Code | R-GDIP-T14 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | PARITY GENERATOR/CHECKER |
| Max I(ol) | 0.004A |
| Number of Bits | 9 |
| Number of Functions | 1 |
| Output Polarity | COMPLEMENTARY |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP14,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.08mA |
| Prop. Delay@Nom-Sup | 56ns |
| Propagation Delay (tpd) | 68ns |
| Qualification Status | Not Qualified |
| Screening Level | 38535Q/M;38534H;883B |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 4.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the CD54HCT280F3A datasheet?
CD54HCT280F3A Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD54HCT280F3A?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does the CD54HCT280 do?
The CD54HCT280 is a 9-bit odd/even parity generator and checker that computes the parity of 9 input bits and provides separate odd and even parity output signals, enabling error detection in digital data transmission and memory applications.
How does the CD54HCT280 support both odd and even parity?
The CD54HCT280 provides two complementary outputs: one for odd parity and one for even parity, allowing system designers to select the appropriate parity convention without additional external logic gates or inverters.
What temperature range does the CD54HCT280F3A support?
The CD54HCT280F3A supports a military-grade operating temperature range of -55°C to +125°C, ensuring reliable parity checking performance in aerospace, defense, and industrial systems exposed to extreme temperature conditions.
What package does the CD54HCT280F3A use?
The CD54HCT280F3A is packaged in a 14-pin ceramic DIP (R-GDIP-T14), providing excellent hermetic sealing and mechanical reliability for high-reliability applications in military and aerospace environments.
What are common applications for the CD54HCT280 parity checker?
Common applications include memory parity error detection in DRAM and SRAM systems, data bus integrity checking, error detection in serial communication lines, and ECC memory subsystems in ruggedized computing equipment and industrial controllers.
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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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