2308A-4DCG8

Overview

The IDT2308A-4DCG8 is a high-speed phase-lock loop (PLL) clock multiplier manufactured by Renesas Electronics Corporation. It functions as a zero-delay buffer, synchronizing output clocks to the input reference with minimal skew. The device operates within a frequency range of 10 MHz to 133.3 MHz and supports a 1:8 output ratio. It utilizes LVTTL input and output logic levels and requires a single 3V to 3.6V power supply. Packaged in a 16-SOIC format, it features two independent banks of four outputs each, allowing for separate enable control. The component is characterized for commercial operation temperatures between 0°C and 70°C.

Feature Summary

• Zero-delay PLL architecture aligns output phase with input clock
• Supports 1x multiplication ratio with 1:8 fan-out distribution
• Two independent output banks with separate tri-state control
• Low jitter performance with cycle-to-cycle jitter under 200 ps

Applications

• High-speed clock distribution networks
• System synchronization in digital logic circuits
• Clock multiplication for processors and FPGAs

Procurement Notes

Verify RoHS compliance status as historical data indicates non-compliance for similar legacy variants. Confirm package dimensions against current design constraints. Check for end-of-life notifications or product change notices affecting availability. Ensure voltage supply ranges match system requirements strictly.

Selection Notes

Select this variant for applications requiring a fixed 1x multiplication factor. Verify that the 16-SOIC package fits the PCB layout. Ensure the operating temperature range meets environmental specifications. Confirm that LVTTL signal levels are compatible with connected components.

Part Context

This component belongs to the IDT2308 family of zero-delay clock multipliers. Variants such as IDT2308-1, -2, -3, and -4 offer different prescaling and multiplication options. The 'A' suffix typically denotes specific speed grades or revisions within the series. The 'DCG8' suffix indicates the 16-SOIC package and tape-and-reel packaging configuration.

Replacement Considerations

Direct substitutes include other IDT2308 variants like IDT2308-4DC8 if the multiplication ratio matches. Cross-reference pinouts and electrical characteristics carefully. Consider newer Renesas 23Sxx series devices for updated manufacturing processes.