Model No: RC19016AGN1#KB0

Renesas Electronics Corporation RC19016AGN1#KB0

Manufacturer: Renesas Electronics Corporation
SEMICON NO.: RC19016AGN1#KB0
Package: 64-VFQFPN
Stock: In stock
Description: PCIe Clock Buffer IC 400MHz 1 Circuit
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 Mfr       Renesas Electronics Corporation 
 Device Type    PCIe Gen5/Gen6/Gen7 Fanout Buffer (Clock Buffer)
 Function     Fanout Buffer (Distribution)
 Number of Circuits   1    
 Ratio – Input:Output   1:16
 Number of Outputs     16
 Input Type   HCSL, LVDS
 Output Type     LP-HCSL
 Output Impedance     85 Ω 
 Differential – Input:Output     Yes / Yes
 Maximum Frequency   400 MHz    
 Propagation Delay (Input-to-Output)     1.8 ns (Max)
 PCIe Compliance     PCIe Gen 1–7
 Supply Voltage 2.97 V to 3.63 V (3.3 V ± 10%)
 Supply Current (Max)     357 mA
 Operating Temperature -40°C to +105°C
 Package 64-VFQFPN
 Mounting Type Surface Mount
 Compliance    
 RoHS Compliant
 
The RC19016AGN1#KB0 is a high-performance PCIe Gen7-compliant 16-output clock buffer manufactured by Renesas Electronics, engineered to deliver ultra-low additive jitter and precise clock distribution for next-generation high-speed digital systems. As a member of the RC19 family, this device provides backward compatibility with all earlier PCIe generations, from Gen1 through Gen6, ensuring design flexibility across multiple platform iterations. The buffer accepts differential LVDS or HCSL input signals within the 1MHz to 400MHz frequency range and distributes them through sixteen LP-HCSL output channels, featuring integrated source termination of 85Ω that eliminates the need for numerous external resistors, thereby simplifying board layout and reducing component count. This device operates from a single 3.3V supply and supports industrial temperature ranges from -40°C to +105°C, making it suitable for demanding data center and enterprise computing environments.
Applications
Due to its Gen7 capability and robust feature set, the RC19016AGN1#KB0 is extensively deployed in data center servers, artificial intelligence accelerators, and high-performance computing platforms where multiple PCIe devices require synchronous reference clocks with minimal timing degradation. The device serves as the primary clock distribution element in server motherboards and riser cards, feeding reference clocks to CPUs, GPUs, NVMe storage controllers, network interface cards, and PCIe switch fabrics. In telecommunications infrastructure, it supports clock fanout in 5G baseband units, switch routers, and optical transport systems requiring precise timing distribution. Additionally, the buffer finds application in enterprise storage systems, fiber channel adapters, and test and measurement equipment where maintaining signal integrity across high-density PCB layouts with numerous clock consumers is critical for overall system throughput and reliability.
Alternative Buffer Models
● Texas Instruments LMK00338: This 8-output HCSL buffer delivers low additive jitter clock distribution and level translation for PCIe Gen1/2/3 applications, providing a proven solution with flexible output configuration options.
● Skyworks Si53154: This PCIe Gen1-5 quad fanout buffer meets Intel DB1900Z specifications with spread spectrum tolerance and I2C programmability for skew, edge rate, and amplitude control on each output.
● Diodes Incorporated PI2DBS32416: This differential 16-bit buffer offers PCIe Gen5/Gen6 compliant performance with integrated termination and multiple output banking for high-density clock tree designs.
● onsemi NB7V series: This family of PCIe Gen5/Gen6 clock buffers provides low-jitter differential fanout with selectable output formats and robust ESD protection, targeting networking and server platforms.