Overview
The NBC12429FAG, produced by onsemi, is a general-purpose, Phase-Lock-Loop (PLL) based synthesized clock source. This component is part of the NBC12429 and NBC12429A series, designed to provide highly flexible and accurate clock generation. The device operates over a wide frequency range, making it suitable for various applications requiring precise timing signals.
Key Specifications
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC (Positive Supply) | GND = 0 V | - | - | 6 | V |
| VI (Input Voltage) | GND = 0 V, VI ≤ VCC | - | - | 6 | V |
| Operating Temperature Range (NBC12429) | - | 0 | - | 70 | °C |
| Operating Temperature Range (NBC12429A) | - | -40 | - | 85 | °C |
| FMAXO (Maximum Output Frequency) | - | 200 | - | 400 | MHz |
| tjitter(pd) (Period Jitter @ 3.3 V) | 25 MHz < fOUT < 100 MHz, M = 200 | - | - | 25 | psRMS |
| tLOCK (Maximum PLL Lock Time) | - | - | - | 10 | ms |
Key Features
- Best-in-Class Output Jitter Performance, ±20 ps Peak-to-Peak
- 25 MHz to 400 MHz Programmable Differential PECL Outputs
- Fully Integrated Phase-Lock-Loop with Internal Loop Filter
- Parallel Interface for Programming Counter and Output Dividers During Powerup
- Serial 3-Wire Programming Interface
- Crystal Oscillator Interface
- CMOS and TTL Compatible Control Inputs
- Pin and Function Compatible with Motorola MC12429 and MPC9229
- Pb-Free and RoHS Compliant
Applications
The NBC12429FAG is suitable for a wide range of applications that require precise and flexible clock generation, including:
- Telecommunication systems
- Data communication equipment
- Networking devices
- High-speed data processing systems
- Test and measurement equipment
Q & A
- What is the operating frequency range of the NBC12429FAG?
The NBC12429FAG operates over a frequency range of 200 MHz to 400 MHz.
- What types of interfaces are available for programming the NBC12429FAG?
The device supports both parallel and serial 3-wire programming interfaces.
- What is the maximum PLL lock time for the NBC12429FAG?
The maximum PLL lock time is 10 ms.
- Is the NBC12429FAG compatible with other devices?
Yes, it is pin and function compatible with Motorola MC12429 and MPC9229.
- What are the operating temperature ranges for the NBC12429 and NBC12429A?
The NBC12429 operates from 0°C to 70°C, while the NBC12429A operates from -40°C to 85°C.
- What is the output jitter performance of the NBC12429FAG?
The device offers best-in-class output jitter performance of ±20 ps peak-to-peak.
- Is the NBC12429FAG Pb-Free and RoHS compliant?
Yes, the device is Pb-Free and RoHS compliant.
- What types of output signals does the NBC12429FAG provide?
The device provides programmable differential PECL outputs.
- What is the purpose of the internal loop filter in the NBC12429FAG?
The internal loop filter is fully integrated and does not require any external components, simplifying the design process.
- Can the NBC12429FAG be used with different crystal frequencies?
Yes, the device can use crystals in the 10 MHz to 20 MHz range, although it is typically illustrated with a 16 MHz crystal.
