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
What are the key features of CD54HCT259F3A?
- 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
What is CD54HCT259F3A used for?
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.
What are the specifications of CD54HCT259F3A?
| 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 |
Where can I find the CD54HCT259F3A datasheet?
CD54HCT259F3A Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD54HCT259F3A?
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.
Related Guides
STM32H725IGT3 Selection Guide: Memory, Package, Temperature, and Supply
Choose the right STM32H725 variant by comparing Flash, package, pin count, temperature grade, connectivity, and production requirements.
Aug 1, 2026
STM32H725IGT3 High-Performance MCU Design Guide
Design STM32H725IGT3 systems for reliable 550 MHz operation with practical power, clock, cache, DMA, PCB, ADC, and recovery guidance.
Jul 31, 2026
150141VS73100 Violet SMD LED Selection Guide: Color, Drive, and Sourcing
Select the 150141VS73100 by wavelength, brightness, drive current, 3528 fit, reliability, and traceable sourcing requirements.
Jul 31, 2026
STEF05SGR 5 V eFuse Protection Design Guide
Design a reliable 5 V STEF05SGR eFuse stage with current-limit math, capacitor sizing, thermal analysis, fault recovery, and PCB layout guidance.
Jul 30, 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
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit