CD54HC297F3A Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
Texas Instruments CD54HC297F3A is a high-speed CMOS HC-family digital phase-locked loop in a 16-pin ceramic glass-sealed DIP package. It provides precision clock synchronization with 5.2 mA output sink current and RoHS-compliant construction for reliable logic timing applications. Available for global sourcing with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD54HC297F3A Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $47.1206(MOQ 1)
- 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 CD54HC297F3A?
- HC/UH CMOS family provides high-speed digital PLL operation compatible with standard 5 V CMOS logic levels
- 16-pin ceramic glass-sealed DIP package offers superior hermeticity and thermal stability for military and high-reliability applications
- RoHS-compliant (e0) lead-free construction supports modern environmental compliance requirements
What is CD54HC297F3A used for?
CD54HC297F3A is used in clock recovery circuits, frequency synthesis, and digital communications equipment where a high-speed CMOS phase-locked loop is needed to synchronize or lock a reference clock to an incoming digital signal. The ceramic 16-pin DIP package makes it suitable for military avionics, radar timing subsystems, and industrial instrumentation requiring long-term hermeticity and resistance to temperature extremes.
What are the specifications of CD54HC297F3A?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Family | HC/UH |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Logic IC Type | LOGIC CIRCUIT |
| Max I(ol) | 0.0052A |
| Number of Bits | 1 |
| Number of Functions | 1 |
| 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 | 43ns |
| Propagation Delay (tpd) | 43ns |
| 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 | 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 |
Where can I find the CD54HC297F3A datasheet?
CD54HC297F3A Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD54HC297F3A?
Compatible alternatives and drop-in replacements for CD54HC297F3A:
Frequently Asked Questions
How does the ceramic DIP package of CD54HC297F3A benefit high-reliability timing circuit designs?
The 16-pin ceramic glass-sealed DIP package provides hermetic protection against moisture and contaminants, which is critical in military, avionics, and space applications where plastic-encapsulated ICs would degrade over time at elevated temperatures or humidity. Ceramic packages maintain stable electrical characteristics across a much wider temperature range than standard plastic DIP parts, supporting reliable digital PLL operation in demanding environments.
What output drive capability does CD54HC297F3A provide and how does it affect fan-out in CMOS logic systems?
CD54HC297F3A has a maximum output sink current (I_OL) of 5.2 mA, which is consistent with the HC logic family drive strength. At a 5 V supply, this allows the PLL output to drive multiple CMOS logic inputs with standard HC fan-out, typically supporting 10 or more HC gate inputs on the output before the voltage drop exceeds the guaranteed logic-low threshold of 0.33 V.
For a clock synchronization design, when is CD54HC297F3A preferable to an analog PLL IC?
CD54HC297F3A is a fully digital CMOS phase-locked loop that operates deterministically with CMOS-level inputs and outputs, making it easier to integrate into all-digital logic boards without the analog bias network and filter capacitors that analog PLLs require. For designs running at standard HC-compatible clock frequencies where jitter filtering requirements are moderate and the entire signal chain is digital, CD54HC297F3A simplifies design compared to analog PLLs that need external loop filter components and matching impedances.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $47.1206 | $47.12 |
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