CD74HC4046APWR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The CD74HC4046APWR is a high-speed CMOS phase-locked loop IC in a 16-pin TSSOP package operating from 2 V to 6 V. It integrates three phase comparators and a voltage-controlled oscillator for frequency synthesis and clock recovery. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- CD74HC4046APWR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.4800(MOQ 250)
- 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 CD74HC4046APWR?
- Three integrated phase comparators (PC1, PC2, PC3) for flexible PLL topology selection
- Wide supply voltage range of 2 V to 6 V enabling 3.3 V and 5 V system compatibility
- 16-pin TSSOP package (0.25 mm pitch) minimizes PCB footprint for compact designs
- High-speed CMOS logic compatible with standard HC/HCT family for easy system integration
What is CD74HC4046APWR used for?
The CD74HC4046APWR is commonly used in frequency synthesizers, clock multiplication circuits, and FM demodulation systems where a stable phase-locked loop is required. Its three phase-comparator options make it adaptable for both narrow-band lock acquisition and wide-range frequency tracking in communication equipment. The device also serves motor speed control and data synchronization applications operating from 2 V to 6 V supply rails.
What are the specifications of CD74HC4046APWR?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | PHASE LOCKED LOOP |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 0.16mA |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Where can I find the CD74HC4046APWR datasheet?
CD74HC4046APWR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for CD74HC4046APWR?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Which phase comparator inside the CD74HC4046APWR is best for a clean narrow-band PLL design?
Phase comparator 2 (PC2) is the edge-triggered, digital memory type that eliminates the dead zone present in PC1. For a narrow-band synthesizer operating at 10 MHz with a 1 kHz reference, PC2 delivers lower phase noise and faster lock within 500 µs, making it the preferred choice in most RF and clock-recovery applications.
What supply voltage range does the CD74HC4046APWR support, and how does that affect 3.3 V system integration?
The device operates from 2 V to 6 V, so it is fully compatible with 3.3 V single-supply systems without a level translator. At 3.3 V the VCO can be tuned across several MHz by adjusting the external R1, R2, and C1 components, while logic I/O thresholds remain within HCMOS-compatible levels used by most 3.3 V FPGAs and microcontrollers.
How does the TSSOP-16 package of the CD74HC4046APWR compare to a DIP-16 alternative in a space-constrained PCB?
The TSSOP-16 package has a body length of 5 mm and 0.65 mm lead pitch, occupying roughly 30 mm² versus the 195 mm² of a through-hole DIP-16. For a compact 50x50 mm synthesizer board this saves significant area and reduces parasitic inductance on the VCO pins, which is critical for PLL stability above 5 MHz.
Can the CD74HC4046APWR be used for motor speed control, and what external components are needed?
Yes, the device suits closed-loop motor speed control by comparing a tachometer pulse (from a hall-effect sensor at, for example, 1 kHz per 1000 RPM) against a reference frequency. The loop filter requires two resistors and one capacitor—typically 10 kΩ, 100 kΩ, and 10 nF—and the VCO output drives a PWM driver to regulate motor torque, achieving speed regulation within ±1%.
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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.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $0.5584 | $139.61 |
| 500+ | $0.5353 | $267.64 |
| 580+ | $0.5213 | $302.35 |
| 1000+ | $0.5150 | $515.00 |
| 2000+ | $0.4920 | $984.00 |
| 4000+ | $0.4800 | $1920.00 |
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