SI5345A-D-GMR

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SI5345A-D-GMR

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IC BASE/BLANK PROTOTYPE 64QFN

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Présentation

Description

The SI5345A-D-GMR is a high-performance, low-jitter clock generator and jitter attenuator from Silicon Labs. It supports up to 10 differential outputs with flexible frequency synthesis (1–350 MHz) and advanced clock synchronization.
Key features:
- Ultra-low jitter (<100 fs RMS) for high-speed applications.
- Multi-input support: Accepts LVCMOS, LVPECL, LVDS, or HCSL references.
- Flexible output formats: LVDS, LVPECL, HCSL, or LVCMOS.
- Integrated DSPLL® technology for robust jitter attenuation.
- I²C/SPI programmability for dynamic configuration.
Ideal for networking, optical transport, data centers, and industrial systems, the SI5345A-D-GMR ensures precise timing with minimal phase noise. Its programmable design simplifies integration into complex clock architectures.
For detailed specs, refer to the datasheet or Silicon Labs' ClockBuilder Pro tool for customization.

Equivalent

Equivalent products to the SI5345A-D-GMR (Silicon Labs) include:
- SI5344A-D-GMR (similar specs, fewer outputs)
- SI5346A-D-GMR (higher output count)
- LMK04832 (Texas Instruments) – high-performance clock jitter cleaner
- HMC7044 (Analog Devices) – low-jitter clock generator
- 8V19N491 (Renesas) – jitter attenuator & clock multiplier
These alternatives offer comparable jitter performance, flexibility, and output configurations. Check datasheets for exact compatibility.

Pinout

The SI5345A-D-GMR is a high-performance clock generator IC with 64 pins (QFN package). Key functions include:
- Inputs: Supports up to 4 differential or single-ended clock inputs.
- Outputs: Provides 10 differential outputs (configurable as LVDS, LVPECL, HCSL, or CMOS).
- Core Features:
- Ultra-low jitter (<100 fs RMS).
- Flexible frequency synthesis (any-input to any-output).
- Integrated DSPLL® for high stability.
- Control: I²C/SPI programmability for dynamic configuration.
- Power: 1.8V/2.5V/3.3V operation.
Ideal for networking, telecom, and data center timing applications.

Application

The SI5345A-D-GMR is a high-performance clock generator and jitter attenuator used in:
- Telecommunications: Synchronization in 5G, OTN, and Ethernet networks.
- Data Centers: Precision timing for servers, switches, and storage.
- Industrial: FPGA/ASIC clocking, test & measurement equipment.
- Broadcast & Video: Low-jitter timing for SDI and video processing.
- Networking: Synchronization in routers, switches, and PTP applications.
Its ultra-low jitter and flexible frequency synthesis make it ideal for high-speed, timing-critical systems.

Package

The SI5345A-D-GMR is available in a 64-pin QFN (Quad Flat No-Lead) package. This compact, surface-mount package is designed for high-performance clock applications, offering excellent thermal and electrical performance. The QFN package is lead-free and RoHS-compliant, suitable for industrial and telecommunications use.

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