Overview
The FS6377-01IG-XTD, produced by onsemi, is a programmable 3-PLL (Phase-Locked Loop) clock generator IC designed to minimize cost and component count in various electronic systems. This CMOS clock generator features three I2C-programmable PLLs, four independently programmable muxes, and post dividers, providing a high degree of flexibility. It is suitable for applications requiring precise clock generation and control.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 4.5 | 5.0 | 5.5 | V |
| Ambient Operating Temperature Range (Commercial) | 0 | - | 70 | °C |
| Ambient Operating Temperature Range (Industrial) | -40 | - | 85 | °C |
| Crystal Resonator Frequency (fXIN) | 5 | - | 27 | MHz |
| Crystal Resonator Load Capacitance (CXL) | 18 | - | - | pF |
| Supply Current (Dynamic, with load outputs) | - | 43 | - | mA |
| Supply Current (Static, device powered down) | 0.3 | - | - | mA |
Key Features
- Three on-chip PLLs with programmable reference and feedback dividers
- Four independently programmable muxes and post dividers
- I2C-bus serial interface for programming
- Programmable power-down of all PLLs and output clock drivers
- One PLL and two mux/post-divider combinations can be modified by SEL_CD input
- Tristate outputs for board testing
- Operation from 5 V to 3.3 V
- Accepts 5 MHz to 27 MHz crystal resonators
- Commercial and industrial temperature ranges offered
- Pb-free, halogen-free/BFR-free, and RoHS compliant
Applications
The FS6377 is suitable for a variety of electronic systems that require flexible and precise clock generation. This includes but is not limited to:
- Telecommunication systems
- Data communication equipment
- Networking devices
- Consumer electronics requiring multiple clock frequencies
- Industrial control systems
Q & A
- What is the FS6377-01IG-XTD used for?
The FS6377-01IG-XTD is a programmable 3-PLL clock generator IC used to generate precise clock frequencies in various electronic systems.
- What are the key features of the FS6377?
The key features include three on-chip PLLs, four programmable muxes and post dividers, I2C-bus serial interface, programmable power-down, and tristate outputs.
- What is the operating voltage range of the FS6377?
The FS6377 operates from 5 V to 3.3 V.
- What is the temperature range for the FS6377?
The device operates in commercial and industrial temperature ranges: 0°C to 70°C for commercial and -40°C to 85°C for industrial.
- How does the SEL_CD pin function?
The SEL_CD pin allows altering the operation of PLL C, muxes C and D, and post dividers C and D without reprogramming the device.
- What is the purpose of the power-down (PD) pin?
The PD pin powers down portions of the FS6377, including PLLs and post dividers, when their respective power-down control bits are enabled.
- Is the FS6377 RoHS compliant?
- What is the crystal resonator frequency range supported by the FS6377?
The FS6377 supports crystal resonator frequencies from 5 MHz to 27 MHz.
- How does the I2C-bus interface work on the FS6377?
The I2C-bus interface allows for the programming of all programmable registers via a bi-directional two-wire digital interface.
- What are the storage and junction temperature limits for the FS6377?
The storage temperature range is -65°C to 150°C, and the junction temperature limit is 150°C.
