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MC145157P2 from MOTOROLA

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MC145157P2

Manufacturer: MOTOROLA

Serial-Input PLL Frequency Synthesizer

Partnumber Manufacturer Quantity Availability
MC145157P2 MOTOROLA 185 In Stock

Description and Introduction

Serial-Input PLL Frequency Synthesizer The **MC145157P2** is a **PLL Frequency Synthesizer** manufactured by **Motorola**. Here are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Motorola  
- **Type:** PLL (Phase-Locked Loop) Frequency Synthesizer  
- **Package:** DIP (Dual In-line Package)  
- **Operating Voltage:** 4.5V to 5.5V (typically 5V)  
- **Frequency Range:** Supports programmable frequency synthesis  
- **Reference Input:** Crystal oscillator or external reference input  
- **Dividers:** Includes a reference divider and a programmable divider  
- **Phase Detector:** Dual-modulus prescaler for flexible frequency control  
- **Output:** Digital phase detector output for loop filter interfacing  

### **Descriptions:**
- The **MC145157P2** is a **CMOS-based** PLL synthesizer designed for frequency generation in communication systems.  
- It integrates a **reference oscillator, phase detector, and programmable counters** for precise frequency synthesis.  
- Suitable for applications like **radio transceivers, signal generators, and frequency-modulated systems**.  

### **Features:**
- **Low power consumption** (typical of CMOS technology).  
- **Serial data interface** for easy microcontroller interfacing.  
- **Programmable reference and N-divider** for flexible frequency selection.  
- **High noise immunity** due to CMOS design.  
- **Stable operation** with crystal or external reference.  

This IC is commonly used in RF and communication circuits requiring stable and programmable frequency generation.

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