特性
- Packaged in 8-pin SOIC (Pb free)
- Output clock range 1 MHz to 100 MHz (3.3 V), 1 MHz to 120 MHz (5 V)
- External PLL loop filter enables configuration for a wide range of input frequencies
- Ability to accept an input clock in the kHz range (video HSYNCH, for example)
- 25 mA output drive capability at TTL levels
- Lower power CMOS process
- +3.3 V ±5% or +5 V ±10% operating voltage
- Used along with the IDT674-01, forms a complete PLL circuit
- Phase detector and VCO blocks can be used independently for other PLL configurations
- Industrial temperature version available
- For better jitter performance, use the MK1575
描述
The IDT663 is a low cost Phase-Locked Loop (PLL) designed for clock synthesis and synchronization. Included on the chip are the phase detector, charge pump, Voltage Controlled Oscillator (VCO) and an output buffer. Through the use of external reference and VCO dividers (implemented with the IDT674-01, for example), the user can easily configure the device to lock to a wide variety of input frequencies. The phase detector and VCO functions of the device can also be used independently. This enables the configuration of other PLL circuits. For example, the IDT663 phase detector can be used to control a VCXO circuit such as the MK3754. For applications requiring Power Down or Output Enable features, please refer to the IDT673-01.
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