Phase-frequency detector in CMOS logic
The phase-frequency detector (PFD) consists of a signal level converter from differential reduced swing ECL to single-ended full …
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Clocking and timing IP cores are fundamental to semiconductor designs that require accurate clock generation, distribution, synchronization, and timing control. This category includes PLLs, DLLs, oscillators, and clock generators used in SoCs, ASICs, SerDes subsystems, processors, memory interfaces, and communication devices.
Browse clocking and timing IP from multiple vendors to compare jitter, frequency range, locking behavior, power consumption, programmability, and process support. Semi IP Hub helps chip architects and design engineers identify the right timing IP for high-performance and low-power silicon platforms.
Phase-frequency detector in CMOS logic
The phase-frequency detector (PFD) consists of a signal level converter from differential reduced swing ECL to single-ended full …
Phase-frequency detector in ECL logic
The phase-frequency detector (PFD) consists of 2 D-trigger with reset from external circuit, performed in ECL logic and multiplex…
5-bit programmable ECL high-frequency divider
The 5-bit programmable ECL high-frequency divider is a set of serially connected dividers with the varied dividing ratio 2/3 that…
Programmable 6-bit CMOS frequency divider
The programmable 6-bit CMOS frequency divider is a set of two independent circuits.
Reference frequency oscillator
Reference oscillator is used to generate reference frequency and can work at the 1st or the 3rd harmonic of quartz resonator.
Tunable oscillator of reference frequency
Reference oscillator is used to generate reference frequency and can work at the 1st or the 3rd harmonic of quartz resonator.
120..950 MHz Frequency multiplier
A frequency multiplier is a circuit that generates an output signal whose output frequency is a harmonic of its input frequency.
Programmable CMOS frequency divider (56..16383 dividing ratio)
The cell is 14-bit programmable frequency divider.
Programmable frequency divider (56 to 16383 dividing ratio)
The cell is 14-bit programmable frequency divider.
135 to 935 MHz Voltage-controlled oscillator
Voltage–controlled oscillator (VCO) is the generator that can be tuned over a wide range of frequencies by applying a control vol…
PLL Lock detector with low current consumption and high accuracy
The lock detector monitors the current status of PLL by comparing the phase difference of VCO divided signal and reference oscill…
1237 to 1606 MHz Voltage controlled oscillator
Voltage-controlled oscillator is the generator that can be tuned over a wide range of frequencies by applying a control voltage t…
PLL CMOS phase-frequency detector with CMOS charge pump
Phase-frequency detector (PFD) forms control signal for VCO tuning.
PLL 24.84 MHz phase-frequency detector with charge pump
Phase-frequency detector (PFD) forms control signal for VCO tuning.
Programmable 9-bit CMOS low-frequency divider (5...511 dividing ratio)
The programmable CMOS low-frequency divider design is based on the 9-bit counter.
Programmable CMOS frequency divider (32...16383 dividing ratio)
The programmable CMOS frequency divider is a set of serially connected dividers with the varied dividing ratio 2/3.
Programmable CMOS HF divider (16…4095 dividing ratio)
The programmable CMOS frequency divider consists of two independent circuits.
Programmable 9-bit CMOS frequency divider (2…511 dividing ratio)
The programmable CMOS frequency divider is a set of 8 serially connected dividers with the varied dividing ratio 2/3.
PLL ECL phase-frequency detector with ECL charge pump
Phase-frequency detector (PFD) forms control signal for VCO tuning.
1270 to 1650 MHz Voltage controlled oscillator
Voltage-controlled oscillator (VCO) is the generator that can be tuned over a wide range of frequencies by applying a control vol…