Overview
The CD74HC4046AM96 is a high-speed silicon-gate CMOS phase-locked loop (PLL) circuit produced by Texas Instruments. It is part of the 74HC series and is pin compatible with the CD4046B of the '4000B' series. This device is specified in compliance with JEDEC standard number 7 and features a linear voltage-controlled oscillator (VCO) along with three different phase comparators (PC1, PC2, and PC3). The CD74HC4046AM96 is designed for a wide range of applications requiring precise frequency control and synchronization.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Operating Frequency Range | Typical at VCC = 5V | Up to 18MHz |
| Minimum Center Frequency | At VCC = 4.5V | 12MHz |
| Operating Power Supply Voltage Range | VCO Section | 3V to 6V |
| Operating Power Supply Voltage Range | Digital Section | 2V to 6V |
| Operating Temperature Range | -55°C to 125°C | |
| Package/Case | 16-SOIC (0.154", 3.90mm Width) | |
| Fanout (Over Temperature Range) | Standard Outputs | 10 LSTTL Loads |
| Fanout (Over Temperature Range) | Bus Driver Outputs | 15 LSTTL Loads |
| Maximum Frequency | 38MHz |
Key Features
- Choice of three phase comparators: EXCLUSIVE-OR, Edge-Triggered JK Flip-Flop, and Edge-Triggered RS Flip-Flop
- Excellent VCO frequency linearity achieved by linear op-amp techniques
- VCO-Inhibit control for ON/OFF keying and low standby power consumption
- Minimal frequency drift
- High noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
- Significant power reduction compared to LSTTL logic ICs
- Balanced propagation delay and transition times
- CMOS input compatibility, IL ≤ 1µA at VOL, VOH
Applications
- FM modulation and demodulation
- Frequency synthesis and multiplication
- Frequency discrimination
- Tone decoding
- Data synchronization and conditioning
- Voltage-to-frequency conversion
- Motor-speed control
Q & A
- What is the CD74HC4046AM96?
The CD74HC4046AM96 is a high-speed silicon-gate CMOS phase-locked loop (PLL) circuit produced by Texas Instruments.
- What is the operating frequency range of the CD74HC4046AM96?
The operating frequency range is up to 18MHz at VCC = 5V.
- What are the different phase comparators available in the CD74HC4046AM96?
The device includes three phase comparators: EXCLUSIVE-OR, Edge-Triggered JK Flip-Flop, and Edge-Triggered RS Flip-Flop.
- What is the operating power supply voltage range for the VCO section?
The operating power supply voltage range for the VCO section is 3V to 6V.
- What is the operating temperature range of the CD74HC4046AM96?
The operating temperature range is -55°C to 125°C.
- What are some of the key applications of the CD74HC4046AM96?
Key applications include FM modulation and demodulation, frequency synthesis and multiplication, frequency discrimination, tone decoding, data synchronization and conditioning, voltage-to-frequency conversion, and motor-speed control.
- What is the package type of the CD74HC4046AM96?
The package type is 16-SOIC (0.154", 3.90mm Width).
- What is the maximum frequency of the CD74HC4046AM96?
The maximum frequency is 38MHz.
- Does the CD74HC4046AM96 have high noise immunity?
Yes, it has high noise immunity with NIL = 30%, NIH = 30% of VCC at VCC = 5V.
- Is the CD74HC4046AM96 compatible with CMOS inputs?
Yes, it is compatible with CMOS inputs, with IL ≤ 1µA at VOL, VOH.
