CD54HCT259F3A Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
CD54HCT259F3A is an 8-bit addressable latch with 1-of-8 demultiplexer by Texas Instruments in a 16-pin ceramic DIP package. Key specs: HCT CMOS family, 4.5V-5.5V supply, 50pF load capacitance, TTL-compatible inputs. From $2.50, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD54HCT259F3A 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
- 8-bit addressable latch with integrated 1:8 demultiplexer reduces external component count for output expansion
- HCT family TTL-compatible inputs allow direct interfacing with 5V TTL logic without level-shifting circuitry
- Individual latch control enables selective bit storage for flexible port expansion in microcontroller systems
- 16-pin ceramic DIP package provides enhanced reliability in high-temperature and harsh environment applications
Applications
The CD54HCT259F3A is used for output port expansion in microcontroller and microprocessor systems, enabling control of up to 8 independent output lines through a 3-bit address bus. Its addressable latch architecture suits LED display drivers, relay control panels, and industrial I/O expansion where minimizing control signal count is essential. The ceramic package variant is particularly valued in military, aerospace, and high-reliability industrial applications requiring extended temperature performance.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Additional Feature | 1:8 DMUX FOLLOWED BY LATCH |
| Family | HCT |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | D LATCH |
| Max I(ol) | 0.004A |
| Number of Bits | 8 |
| Number of Functions | 8 |
| Output Polarity | TRUE |
| 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) | 0.08mA |
| Prop. Delay@Nom-Sup | 49ns |
| Propagation Delay (tpd) | 57ns |
| Qualification Status | Not Qualified |
| Schmitt Trigger | NO |
| 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 |
| Trigger Type | LOW LEVEL |
| 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
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the function of the CD54HCT259F3A?
The CD54HCT259F3A combines an 8-bit D-type latch with a 1-of-8 demultiplexer, allowing data to be written to any one of 8 addressable latch outputs using a 3-bit address bus, effectively providing 8 individually controlled output bits from a single data input.
What supply voltage does the CD54HCT259F3A require?
The CD54HCT259F3A operates from a 4.5V to 5.5V supply voltage with TTL-compatible input thresholds, making it directly compatible with 5V TTL and CMOS logic systems without the need for additional level translation circuitry.
What package does the CD54HCT259F3A use and why is it significant?
The CD54HCT259F3A is housed in a 16-pin ceramic DIP package, which offers superior thermal performance and moisture resistance compared to plastic packages, making it suitable for military-grade, aerospace, and high-reliability industrial applications with extended temperature requirements.
What are typical applications for the CD54HCT259F3A?
Typical applications include microcontroller output port expansion, LED and relay driver control, industrial I/O multiplexing, programmable logic control panels, and serial-to-parallel data conversion in TTL-compatible digital systems requiring addressable latching functionality.
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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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