SI5338B-B-GM

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SI5338B-B-GM

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IC CLK GEN I2C BUS PROG 24QFN

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Especificações

Atributo Valor
Package Tray
Series MultiSynth™
ProductStatus Active
PLL Yes
MainPurpose Ethernet, Fibre Channel, PCI Express (PCIe), Telecom
Input CML, CMOS, HCSL, HSCL, HSTL, LVDS, LVPECL, SSTL, Crystal
Output HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL
NumberofCircuits 1
Ratio-Input:Output 3:4
Differential-Input:Output Yes/Yes
Frequency-Max 350MHz
Voltage-Supply 1.71V ~ 3.63V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 24-VFQFN Exposed Pad

Visão Geral

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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