CD54HCT158F3A Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The CD54HCT158F3A is a quad 2-to-1 data selector/multiplexer from Texas Instruments in the HCT logic family, housed in a 16-pin ceramic DIP package. It features four independent 2-input multiplexer channels with inverted outputs, a 50 pF load capacitance, and TTL-compatible input thresholds. Available with worldwide shipping from authorized distributors.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD54HCT158F3A 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
Key Features
- Quad 2-to-1 multiplexer with inverted outputs enabling four independent data selection channels in a single 16-pin ceramic DIP package
- HCT logic family with TTL-compatible input thresholds allows direct interfacing with TTL systems while maintaining CMOS low-power output drive
- Ceramic DIP packaging (JESD-30 R-GDIP-T16) with e0 RoHS compliance provides robust construction for high-reliability and extended-temperature environments
Applications
The CD54HCT158F3A is used in digital data routing, bus multiplexing, and logic interface circuits where TTL and CMOS logic families must interoperate. Its four-channel 2-to-1 structure makes it ideal for selecting between two data buses or signal sources in memory interfaces, data path switching, and address multiplexing in embedded systems. The ceramic package makes it particularly well-suited for military, aerospace, and industrial applications requiring extended thermal performance.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | HCT |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | MULTIPLEXER |
| Max I(ol) | 0.004A |
| Number of Bits | 2 |
| Number of Functions | 4 |
| Number of Inputs | 2 |
| Number of Outputs | 1 |
| Output Polarity | INVERTED |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Packing Method | TUBE |
| Power Supply Current-Max (ICC) | 0.16mA |
| Prop. Delay@Nom-Sup | 13ns |
| Propagation Delay (tpd) | 210ns |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD54HCT158F3A:
Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, CDIP16
Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, Inverted Output, CMOS, CDIP16
Multiplexer, HCT Series, 4-Func, 2 Line Input, 1 Line Output, True Output, CMOS, CDIP16
Frequently Asked Questions
What does the CD54HCT158F3A do and how many channels does it have?
The CD54HCT158F3A is a quad 2-to-1 data selector/multiplexer with four independent selection channels. Each channel selects one of two input data lines and presents the inverted output, supporting 2-bit wide selection across all four channels simultaneously. It uses the HCT logic family with TTL-compatible inputs and 50 pF load capacitance.
What package does the CD54HCT158F3A use?
The CD54HCT158F3A is housed in a 16-pin ceramic dual-in-line package (CDIP), identified by JESD-30 code R-GDIP-T16. The ceramic package construction offers superior moisture resistance and thermal stability compared to plastic DIP, making it suitable for military-grade and high-reliability industrial applications.
Can the CD54HCT158F3A interface directly with TTL logic?
Yes, the CD54HCT158F3A belongs to the HCT logic family, which is specifically designed with TTL-compatible input thresholds. This allows it to be driven directly by TTL output levels while providing CMOS-level output drive, making it ideal as a bridge device between TTL and CMOS logic systems in mixed-technology designs.
Is the CD54HCT158F3A RoHS compliant and available for high-reliability use?
Yes, the CD54HCT158F3A carries JESD-609 code e0 and a Pb-free code of Yes, confirming RoHS compliance and lead-free construction. Its ceramic DIP package and YTEOL rating of 15 years indicate long-term availability, making it a reliable choice for military, aerospace, and industrial designs with extended lifecycle requirements.
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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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