CD74HC4046AMTE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The Texas Instruments CD74HC4046AMTE4 is a high-speed CMOS phase-locked loop (PLL) integrating a voltage-controlled oscillator and phase comparators in a single 16-pin SOP device. It supports frequency synthesis, clock recovery, and FM demodulation applications with external RC tuning. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- CD74HC4046AMTE4 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
- Complete PLL system integrating VCO and dual phase comparators in a single HC CMOS device for minimal external component count
- High-speed CMOS logic family provides wide frequency range capability with low power consumption for portable and battery-operated systems
- External RC-programmable VCO frequency range allows easy tuning from audio frequencies up to MHz-range clock synthesis applications
- Dual phase comparator architecture (PC1 and PC2) offers choice of XOR or edge-triggered phase comparison for different loop filter requirements
Applications
The CD74HC4046AMTE4 is used in frequency synthesis, clock multiplication, and clock recovery circuits in digital communications, microcontroller clocking, and signal processing systems requiring stable locked-frequency output. Its VCO and phase comparator combination enables FM demodulation, frequency tracking, and tone decoding in industrial telemetry and audio applications. The device also finds use in motor speed synchronization and data synchronization circuits where a low-cost, single-chip PLL solution is needed.
Specifications
| YTEOL | 0 |
| 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 | SOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| 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 |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| 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 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for CD74HC4046AMTE4:
Frequently Asked Questions
What is the function of the CD74HC4046AMTE4?
The CD74HC4046AMTE4 is a complete phase-locked loop IC containing a voltage-controlled oscillator (VCO) and two phase comparators. It locks an output frequency to a reference input frequency, enabling applications such as clock synthesis, FM demodulation, and frequency multiplication.
How is the VCO frequency range set on the CD74HC4046AMTE4?
The VCO frequency range on the CD74HC4046AMTE4 is programmed using external resistors (R1, R2) and a capacitor (C1) connected to dedicated pins. The RC values determine the minimum and maximum VCO frequencies, allowing the designer to set the operating range from audio to several megahertz.
What are the two phase comparators in the CD74HC4046AMTE4?
The CD74HC4046AMTE4 includes two phase comparators: PC1 is an XOR gate type providing phase comparison with 0 to 180 degree range, while PC2 is an edge-triggered type with better noise immunity and a wider -180 to +180 degree phase range, suitable for most PLL applications.
What package does the CD74HC4046AMTE4 come in?
The CD74HC4046AMTE4 comes in a 16-pin SOP (Small Outline Package) with a rectangular body and 0.25-inch width, rated for 260°C peak reflow temperature, making it compatible with standard SMT solder reflow assembly processes.
What are common applications for the CD74HC4046AMTE4?
Common applications include clock recovery in serial data links, frequency multiplication for microcontroller clocking, FM demodulation in radio receivers, motor speed synchronization, tone decoding in DTMF systems, and frequency tracking in industrial measurement and instrumentation equipment.
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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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