Overview
Description
The 5L35021 is a VersaClock® programmable clock generator designed for low-power, consumer, and high-performance PCI Express applications. The 5L35021 device is a three-PLL architecture design, and each PLL is individually programmable and allows for up to five unique frequency outputs.
The 5L35021 has built-in unique features such as Proactive Power Saving (PPS), Performance-Power Balancing (PPB), Overshot Reduction Technology (ORT), and Extreme Low Power DCO. An internal OTP memory allows the user to store the configuration in the device without programming after power up, and then program the 5L35021 again through the I2C interface.
The device has programmable VCO and PLL source selection to allow the user to do power-performance optimization based on the application requirements. It also supports one single-ended output and two pairs of differential outputs that support LVCMOS and LPHCSL. A low-power 32.768kHz clock is supported with less than 2μA current consumption for the system RTC reference clock.
Features
- Configurable OE pin function as OE, PD#, PPS, or DFC control function
- Configurable PLL bandwidth/minimizes jitter peaking
- PPS: Proactive Power Saving features save power during the end device power down mode
- PPB: Performance- Power Balancing feature allows minimum power consumption based on the required performance
- DFC: Dynamic Frequency Control feature allows up to 4 different frequencies to switch dynamically
- Features <65µA ultra-power-down
- Outputs: 1MHz to 125MHz
- Spread Spectrum clock support to lower system EMI
- I2C interface
- Supported by Renesas' Timing Commander™ software tool
Comparison
Applications
Design & Development
Software & Tools
Software & Tools
Software title
|
Software type
|
Company
|
---|---|---|
Timing Commander Timing Commander™ is an innovative Windows™-based software platform enabling system design engineers to configure, program, and monitor sophisticated timing devices with an intuitive and flexible graphical user interface (GUI).
|
Code Generator | Renesas |
1 item
|
Boards & Kits
5L35021 VersaClock 3S Programmable Clock Development Kit
The DEV5L35021 programmable clock development kit is designed to support the 5L35021 VersaClock 3S device. It provides a convenient way of configuring and programming the blank parts for the 5L35021 device. With the on-board USB interface, the Renesas Timing CommanderTM graphical user interface...
Evaluation Board for 5L35021 VersaClock 3S
This is the evaluation board for the Renesas 5L35021 VersaClock 3S programmable clock generator. With RMS phase jitter less than 3 picoseconds over the full 12kHz to 20MHz integration range, the device meets the stringent jitter requirements of PCI Express® Gen 1/2/3. The Renesas 5L35021 is...
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Product Options
Applied Filters:
Videos & Training
A brief introduction to IDT's (acquired by Renesas) VersaClock 3S programmable clock generator IC features, benefits, and applications. These clock timing devices provide an optimal combination of performance, power, and flexibility.
IDT's VersaClock 3S devices meet the performance requirements of widely used standards including PCI Express® Gen 1/2/3. These new devices are ideal for computing systems, digital cameras, IP set-top boxes, home entertainment, audio systems, multi-function printers, IoT gateways, small-business storage, smart devices, medical equipment, and automotive infotainment.
Related Resources