SI5338B-B-GM

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SI5338B-B-GM

+BOM

IC CLK GEN I2C BUS PROG 24QFN

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Tray
Series MultiSynth™
Part Status Active
PLL Yes
Main Purpose Ethernet, Fibre Channel, PCI Express (PCIe), Telecom
Input CML, CMOS, HCSL, HSCL, HSTL, LVDS, LVPECL, SSTL, Crystal
Output HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL
Number of Circuits 1
Ratio - Input: Output 3:4
Differential - Input: Output Yes/Yes
Frequency - Max 350MHz
Voltage - Supply 1.71V ~ 3.63V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Tổng quan

Description

The SI5338B-B-GM is a high-performance programmable clock generator from Silicon Labs, designed for precision timing in applications like networking, industrial, and communications systems.
### Key Features:
- Flexible Outputs: Up to 8 differential or 12 LVCMOS outputs.
- Wide Frequency Range: Supports 0.16–710 MHz (LVCMOS) and 0.16–350 MHz (differential).
- Low Jitter: As low as 0.5 ps RMS for high-speed interfaces.
- I²C Programmable: Allows dynamic frequency and output configuration.
- Integrated EEPROM: Stores custom configurations.
### Applications:
- FPGA/ASIC clocking
- Data center & networking equipment
- Test & measurement systems
The device simplifies clock tree design by replacing multiple oscillators and PLLs with a single IC. Its ClockBuilder Pro software enables easy configuration.
For more details, refer to the Silicon Labs datasheet.

Equivalent

Equivalent products to the SI5338B-B-GM (Silicon Labs) include:
- SI5338A-B-GM (earlier version, similar features)
- SI5341/40 (higher-performance alternatives)
- 5P49V60 (IDT/Renesas)
- LTC6957 (Analog Devices)
- HMC7044 (Analog Devices)
These alternatives offer comparable clock generation and jitter performance. Check datasheets for exact pin compatibility and feature differences.

Pinout

The SI5338B-B-GM is a high-performance clock generator IC with 40 pins (QFN package).
Key Functions:
- Generates up to 8 output clocks with frequencies from 0.16 to 710 MHz.
- Supports I²C programming for flexible configuration.
- Features low jitter (<0.5 ps RMS) for precision timing.
- Operates from a single 3.3V supply.
- Provides glitch-free switching and frequency margining.
Pin Functions Include:
- Clock outputs (8x differential/single-ended)
- I²C interface (SCL, SDA)
- Power/ground pins
- Crystal/reference input (XTAL/CLKIN)
- Control pins (OE, SEL, etc.)
Ideal for networking, FPGA, and high-speed digital systems.

Application

The SI5338B-B-GM is a versatile clock generator IC used in:
- Communications: Networking equipment, routers, and switches.
- Data Centers: Servers, storage systems, and high-speed interfaces.
- Industrial: Automation, control systems, and test equipment.
- Consumer Electronics: Set-top boxes, displays, and multimedia devices.
- FPGA/ASIC Systems: Clock synchronization for high-performance computing.
It supports multiple outputs, low jitter, and flexible frequency synthesis, making it ideal for applications requiring precise timing.

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