CD74HCT251EIn StockTexas Instruments
CD74HCT251E is an 8-input multiplexer with 3-state output from Texas Instruments, operating at 2V-6V, with -40C to 85C range. In stock from $0.44/10pcs, global shipping.
- Manufacturer
- Texas Instruments
- Package
- PDIP-16
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74HCT251E Datasheet PDF
- Category
- logic-ics
- Price
- From $0.2621(MOQ 10)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Applications
Used in data routing, bus switching, and signal selection circuits in industrial control systems, communications equipment, and embedded systems where TTL-to-CMOS level shifting is required.
Specifications
| supplyVoltage | 2V to 6V |
| operatingTemperature | -40C to 85C |
| packageType | PDIP-16 |
| pinCount | 16 |
| logicFamily | HCT |
| outputType | 3-State |
| numberOfInputs | 8 |
| Package | PDIP-16 |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the CD74HCT251E used for?
The CD74HCT251E is an 8-input multiplexer (data selector) with 3-state output. It selects one of eight data inputs based on three select lines and routes it to the output. It is widely used in data routing, bus switching, and signal multiplexing applications in digital circuits.
What supply voltage does the CD74HCT251E require?
The CD74HCT251E operates from a supply voltage of 2V to 6V (VCC). It belongs to the HCT logic family, designed for compatibility with both TTL and CMOS logic levels, making it ideal for mixed-voltage systems.
What is the operating temperature range of CD74HCT251E?
The CD74HCT251E is rated for industrial temperature range from -40C to +85C, making it suitable for industrial control systems, automotive support circuits, and outdoor equipment.
What package does the CD74HCT251E come in?
The CD74HCT251E comes in a 16-pin PDIP package. The E suffix denotes PDIP. Texas Instruments also offers this device in SOIC (D suffix) and TSSOP (PW suffix) packages for space-constrained PCB designs.
Is the CD74HCT251E RoHS compliant?
Yes, the CD74HCT251E is RoHS compliant and lead-free, meeting EU Directive 2011/65/EU restrictions on hazardous substances, suitable for products requiring environmental compliance certifications.
Related Guides
BOM Optimization: How to Reduce Electronic Component Costs Without Sacrificing Quality
Practical strategies for reducing BOM costs by 15-30% through smart component selection, supplier diversification, and procurement optimization.
Apr 9, 2026
Top 10 Microcontrollers in 2025: A Comprehensive Comparison Guide
Detailed comparison of the most popular MCUs in 2025 — STM32, ESP32, RP2040, nRF52, and more. Specs, pricing, ecosystem, and use-case recommendations.
Apr 9, 2026
How to Read an IC Datasheet: A Practical Guide for Engineers
Master the art of reading IC datasheets. Learn what every section means, which specs matter most, and how to extract the information you need for your design.
Apr 9, 2026
Understanding the 2025 Chip Shortage: Which Components Are Affected and What to Do
Analysis of the current semiconductor supply landscape, which components face extended lead times, and strategies for engineers and procurement teams.
Apr 9, 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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 10+ | $0.4370 | $4.37 |
| 19+ | $0.3087 | $5.87 |
| 100000+ | $0.2621 | $26210.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”