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SY89645LK4G from MICREL

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SY89645LK4G

Manufacturer: MICREL, MICREL

Precision Low Skew, 1-to-4 LVCMOS/LVTTLto-LVDS Fanout Buffer

Partnumber Manufacturer Quantity Availability
SY89645LK4G MICREL, MICREL 34310 In Stock

Description and Introduction

Precision Low Skew, 1-to-4 LVCMOS/LVTTLto-LVDS Fanout Buffer The part **SY89645LK4G** is manufactured by **MICREL** (now part of Microchip Technology). Below are the specifications, descriptions, and features based on the available knowledge base:  

### **Specifications:**  
- **Function:** 3.3V Precision 1:5 LVPECL Fanout Buffer  
- **Supply Voltage:** 3.3V ±10%  
- **Input Type:** LVPECL  
- **Output Type:** LVPECL  
- **Number of Outputs:** 5  
- **Operating Frequency:** Up to 2.5 GHz  
- **Propagation Delay:** 300 ps (typical)  
- **Output Skew:** 20 ps (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-Lead MLF (5x5 mm)  

### **Descriptions:**  
The SY89645LK4G is a high-speed, low-jitter 1:5 LVPECL fanout buffer designed for clock and data distribution applications. It provides precise signal replication with minimal skew and jitter, making it suitable for high-performance communication systems, networking, and test equipment.  

### **Features:**  
- Ultra-low additive jitter (< 0.1 ps RMS)  
- High-speed operation (up to 2.5 GHz)  
- 5 identical LVPECL outputs  
- Integrated input termination resistors  
- 3.3V power supply  
- Industrial temperature range (-40°C to +85°C)  
- Lead-free and RoHS-compliant  

For detailed electrical characteristics and application notes, refer to the official datasheet from **Microchip Technology** (formerly MICREL).

Application Scenarios & Design Considerations

Precision Low Skew, 1-to-4 LVCMOS/LVTTLto-LVDS Fanout Buffer

Alternative Part Number

  • NB6L11SMNG --: Differential clock/data fanout buffer in the same functional class as the SY89645, with similar low-skew output characteristics and a different naming series.
  • CDCLVC1104PW --: Low-skew clock fanout buffer offering comparable signal distribution performance and a clearly different part-number series.
  • ICS854S006AGILF --: Clock fanout buffer with similar low-skew outputs, suitable as a functional replacement from a different manufacturer and series.
  • NB7L86MMNG --: Differential clock/data fanout buffer with similar low-skew performance and compatible supply voltage, suitable as a functional replacement.
  • CDCLVC1104PWR --: Low-jitter clock buffer offering comparable fanout and signaling characteristics for clock distribution applications.

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