23S08-3DCG8

Overview

The Renesas Electronics 23S08-3DCG8 is a discontinued 3.3V Zero Delay Clock Multiplier designed for high-speed clock distribution and multiplication applications. It operates within an input frequency range of 10 MHz to 133 MHz, utilizing a Phase-Lock Loop (PLL) architecture to achieve zero delay between the incoming clock and output signals. The device features eight LVCMOS outputs organized into two banks, with a maximum cycle-to-cycle jitter of 200 ps. Packaged in a 16-pin SOIC (DCG16), it supports spread spectrum inputs and includes external feedback capabilities for precise synchronization.

Feature Summary

• Zero Delay PLL Architecture: Aligns output phase with the input clock reference for minimal latency.
• Spread Spectrum Compatibility: Accepts spread spectrum input signals to reduce electromagnetic interference (EMI).
• Dual Output Banks: Eight LVCMOS outputs divided into two independent banks, each controllable via select addresses.
• Low Jitter Performance: Specifies a maximum cycle-to-cycle jitter of 200 ps.

Applications

• High-speed clock distribution networks requiring low skew.
• Multiplication of reference clocks up to 133 MHz.
• Systems requiring EMI reduction through spread spectrum clocking.
• Test mode operation for direct input clock drive verification.

Procurement Notes

The 23S08-3DCG8 is officially listed as obsolete or end-of-life by Renesas Electronics. Availability is restricted to surplus or secondary market channels. Verify moisture sensitivity level (MSL 3) and lead-free status (e3 Sn) before procurement. Ensure compatibility with existing PCB footprints for the SOIC-16 package.

Selection Notes

Select this component when a fixed-ratio multiplier with spread spectrum support is required for frequencies up to 133 MHz. The -3 suffix typically denotes specific multiplication factors; verify exact ratios against the official datasheet. Consider the 2308B series if programmable options are needed, or newer FemtoClock devices for ultra-low jitter requirements below 200 ps.

Part Context

This part belongs to the IDT/Renesas 2308 family of zero-delay clock multipliers. It shares architectural similarities with variants like the 23S08-2DCG and 2308B series but differs in package type and specific electrical characteristics. The 'DCG' suffix indicates the SOIC-16 package, while '8' often refers to reel packaging quantities in distributor listings.

Replacement Considerations

Direct replacements include other 2308 family members such as the 23S08-2DCG or 2308B-4DCG8, provided pinouts and multiplication factors match. For modern upgrades, consider Renesas RC223xxA FemtoClock series for lower jitter, though pin compatibility may require redesign.