CD74HC173EE4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
The CD74HC173EE4 is a 4-bit D-type bus interface flip-flop from Texas Instruments in the HC CMOS family, featuring 3-state outputs with dual output enable and a wide 2V to 6V supply range for flexible logic interfacing. It operates in a 16-pin PDIP package and is RoHS compliant for use in modern embedded designs. Available from $0.45 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC173EE4 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 CD74HC173EE4?
- Dual output enable control allows independent control of output tristating, enabling efficient bus sharing between multiple sources on a common data bus
- Wide 2V to 6V supply range provides compatibility with both 3.3V and 5V logic systems without level-shifting components
- HC CMOS family with 3-state outputs and 50 pF load capacitance support delivers reliable bus interface performance in high-capacitance PCB environments
What is CD74HC173EE4 used for?
The CD74HC173EE4 is used as a data bus register and latch in microprocessor interfacing, memory bus buffering, and digital I/O expansion circuits where 4-bit parallel data needs to be captured and held with tristatable outputs. It is also employed in FPGA prototyping, educational platforms, and legacy system maintenance where a through-hole 16-pin DIP component is required for easy breadboard or socket-based assembly.
What are the specifications of CD74HC173EE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | WITH DUAL OUTPUT ENABLE |
| Family | HC/UH |
| JESD-30 Code | R-PDIP-T16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | BUS DRIVER |
| Max I(ol) | 0.006A |
| Number of Bits | 4 |
| Number of Functions | 1 |
| Output Characteristics | 3-STATE |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Propagation Delay (tpd) | 300ns |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 4.5V |
| Surface Mount | NO |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Trigger Type | POSITIVE EDGE |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.60 |
Where can I find the CD74HC173EE4 datasheet?
CD74HC173EE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC173EE4?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What does the dual output enable feature of the CD74HC173EE4 do?
The dual output enable on the CD74HC173EE4 allows the 4-bit data outputs to be independently tristated using two separate enable inputs, giving designers flexible control over when the device drives the bus versus when it enters high-impedance mode to avoid bus contention.
What supply voltage range does the CD74HC173EE4 support?
The CD74HC173EE4 operates from 2V to 6V supply voltage, making it compatible with 3.3V CMOS systems, standard 5V TTL-level logic, and older 6V CMOS designs, providing broad interoperability across different digital logic families and voltage domains.
How many bits does the CD74HC173EE4 register?
The CD74HC173EE4 is a 4-bit register, capable of storing and driving 4 parallel data bits simultaneously, which is suitable for nibble-wide bus interfaces, BCD data handling, and 4-bit parallel data transfer in microprocessor-based systems.
What package is the CD74HC173EE4 available in?
The CD74HC173EE4 is available in a 16-pin PDIP (Plastic Dual In-Line Package) through-hole package, making it ideal for breadboard prototyping, through-hole PCB assembly, socket-based designs, and educational electronics projects.
Is the CD74HC173EE4 RoHS compliant?
Yes, the CD74HC173EE4 is RoHS compliant with a Pb-free designation, making it suitable for use in consumer electronics, industrial equipment, and any application requiring compliance with European Union and global environmental regulations restricting hazardous substances.
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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.
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