2308A-1HPGG

Overview

The IDT2308A-1HPGG is a 3.3V zero-delay clock multiplier manufactured by Renesas Electronics Corporation, formerly Integrated Device Technology (IDT). It utilizes an internal phase-locked loop to synchronize output clocks with the input reference, achieving near-zero propagation delay. The device accepts a single LVCMOS/LVTTL input and provides eight buffered outputs within a 16-pin TSSOP package. Designed for frequencies up to 133 MHz, it features low cycle-to-cycle jitter of 200 ps and supports spread spectrum inputs. The component operates at a supply voltage of 3.3V and is characterized for commercial temperature ranges.

Feature Summary

• Zero-delay PLL architecture synchronizes output phase with the input clock reference.
• Distributes one input signal to eight buffered outputs with skew less than 200 ps.
• Supports input frequencies from 10 MHz to 133 MHz with 200 ps max cycle-to-cycle jitter.
• Accepts spread spectrum input signals for EMI reduction.

Applications

• High-speed clock distribution in data communication systems.
• Clock multiplication and buffering in embedded processing architectures.
• Timing synchronization in consumer electronics requiring low jitter.

Procurement Notes

This component is identified as obsolete or end-of-life. Sourcing requires verification of availability through secondary distributors or surplus markets. Buyers must confirm RoHS compliance status, as earlier revisions may not meet current environmental standards. Replacement parts should be evaluated for pin compatibility and electrical parameter equivalence before integration into new designs.

Selection Notes

Select this part for applications requiring a 1:8 fan-out with precise phase alignment relative to the source clock. Ensure the design accommodates the 3.3V supply requirement and the 16-TSSOP footprint. Verify that the system's maximum clock frequency does not exceed 133 MHz. Consider thermal dissipation capabilities within the TSSOP package if operating at high duty cycles.

Part Context

The 2308A series belongs to the IDT 2308 family of zero-delay buffers. The 'A' suffix typically denotes specific drive strength or revision characteristics compared to base models. The 'HPG' suffix indicates the High Performance variant housed in a 16-pin TSSOP package. This family was widely used before being integrated into Renesas' portfolio following the acquisition of IDT.

Replacement Considerations

Public records indicate the Texas Instruments CDCVF25081PW and CDCVF25081PWR as upgrade alternatives. These devices offer similar zero-delay buffering functions. Engineers must verify pinout compatibility and ensure the replacement supports the required 133 MHz frequency and 3.3V operation.