規格
| 屬性 | 價值 |
| Package | Tray |
| ProductStatus | Active |
| Type | Fanout Buffer (Distribution), Multiplexer |
| NumberofCircuits | 1 |
| Ratio-Input:Output | 2:4 |
| Differential-Input:Output | Yes/Yes |
| Input | CML, HCSL, LVCMOS, LVDS, LVPECL |
| Output | CML, HCSL, LVCMOS, LVDS, LVPECL |
| Frequency-Max | 1.25 GHz |
| Voltage-Supply | 1.71V ~ 3.63V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 16-VFQFN Exposed Pad |
概述
Description
The SI53340-B-GM is a high-performance clock generator IC from Silicon Labs, designed for precision timing applications. It integrates a flexible PLL and multiple output clocks, supporting frequencies up to 350 MHz with low jitter (<1 ps RMS).
Key features:
- 4 differential outputs (LVPECL, LVDS, HCSL, or LVCMOS configurable)
- I²C programmable for dynamic frequency adjustments
- Wide input voltage range (2.375V–3.63V)
- Industrial temperature range (-40°C to +85°C)
Ideal for networking, telecom, and data center systems requiring synchronized, low-noise clocks. The B-GM variant comes in a 24-QFN package and offers enhanced power supply noise immunity.
For detailed specs, refer to the datasheet or Silicon Labs’ ClockBuilder Pro tool for configuration.
Key features:
- 4 differential outputs (LVPECL, LVDS, HCSL, or LVCMOS configurable)
- I²C programmable for dynamic frequency adjustments
- Wide input voltage range (2.375V–3.63V)
- Industrial temperature range (-40°C to +85°C)
Ideal for networking, telecom, and data center systems requiring synchronized, low-noise clocks. The B-GM variant comes in a 24-QFN package and offers enhanced power supply noise immunity.
For detailed specs, refer to the datasheet or Silicon Labs’ ClockBuilder Pro tool for configuration.
Equivalent
Equivalent products to the SI53340-B-GM (Silicon Labs) include:
- 5P49V60 from Renesas (IDT)
- LTC6957 from Analog Devices
- HMC7044 from Analog Devices (Hittite)
- 8T49N240 from Renesas
These are clock generators with similar features like multi-output, low jitter, and programmable frequencies. Always verify pin compatibility and specs for your design.
- 5P49V60 from Renesas (IDT)
- LTC6957 from Analog Devices
- HMC7044 from Analog Devices (Hittite)
- 8T49N240 from Renesas
These are clock generators with similar features like multi-output, low jitter, and programmable frequencies. Always verify pin compatibility and specs for your design.
Features
The SI53340-B-GM is a high-performance clock generator with the following key features:
- Frequency Range: Supports outputs from 0.16 MHz to 350 MHz.
- Input Flexibility: Accepts crystal, LVCMOS, or differential inputs (LVPECL, LVDS, HCSL).
- Outputs: Four configurable differential or LVCMOS outputs.
- Jitter Performance: Ultra-low jitter (<0.5 ps RMS).
- I²C Programmability: Allows dynamic frequency and output configuration.
- Power Supply: Operates at 1.8V, 2.5V, or 3.3V.
- Package: 24-pin QFN (4x4 mm).
- Applications: Ideal for networking, telecom, and high-speed data interfaces.
This device integrates an EEPROM for storing configurations, reducing external components.
- Frequency Range: Supports outputs from 0.16 MHz to 350 MHz.
- Input Flexibility: Accepts crystal, LVCMOS, or differential inputs (LVPECL, LVDS, HCSL).
- Outputs: Four configurable differential or LVCMOS outputs.
- Jitter Performance: Ultra-low jitter (<0.5 ps RMS).
- I²C Programmability: Allows dynamic frequency and output configuration.
- Power Supply: Operates at 1.8V, 2.5V, or 3.3V.
- Package: 24-pin QFN (4x4 mm).
- Applications: Ideal for networking, telecom, and high-speed data interfaces.
This device integrates an EEPROM for storing configurations, reducing external components.
Pinout
The SI53340-B-GM is a 32-pin (QFN package) programmable clock generator from Silicon Labs.
Key Functions:
- Generates up to 4 independent output clocks (LVCMOS/LVDS/HCSL).
- Supports input frequencies from 8 kHz to 710 MHz (crystal or external reference).
- Flexible output frequencies (up to 350 MHz for LVCMOS, 700 MHz for LVDS/HCSL).
- I²C programming for configuration.
- Low jitter performance (< 0.5 ps RMS).
Applications:
- Networking, telecom, and industrial systems requiring precise clock synchronization.
Pin count: 32-pin QFN.
Key Functions:
- Generates up to 4 independent output clocks (LVCMOS/LVDS/HCSL).
- Supports input frequencies from 8 kHz to 710 MHz (crystal or external reference).
- Flexible output frequencies (up to 350 MHz for LVCMOS, 700 MHz for LVDS/HCSL).
- I²C programming for configuration.
- Low jitter performance (< 0.5 ps RMS).
Applications:
- Networking, telecom, and industrial systems requiring precise clock synchronization.
Pin count: 32-pin QFN.
Package
The SI53340-B-GM is available in a 24-pin QFN (Quad Flat No-lead) package (4mm x 4mm). This compact, surface-mount package is designed for high-performance clock applications, offering excellent thermal and electrical performance.
