Clock Generation Selector Guide Universal Clock Generators simplify traditional board design by synthesizing frequencies from a reference input clock or a common low cost crystal providing low jitter output clocks. When used together with Microsemi® Clock Distribution Fanout Buffers provide customers an improved board performance and complete timing solutions. Clock Synthesis Devices # Independent Output Frequency Families # Inputs Crystal Input Freq. Range Xtal Osc. or CMOS Input Freq. Range Diff Input Freq. Range # LowJitter APLLs Typical Jitter fs RMS NCO Mode NCO ppb # Diff Outputs ZL30236 2 1 xtal 20M-24.576M – – 2 700 – – 8 ZL30237 2 1 xtal 20M-24.576M – – 2 700 Y 0.24 ZL30230 4 1 xtal 20M-24.576M – – 2 700 – – MAX24405 2 1xtal/SE, 3D/SE 25M-52M 9.72M-160M 9.72M-750M 2 1801 – – MAX24505 2 1xtal/SE, 3D/SE 25M-52M 9.72M-160M 9.72M-750M 2 180 1 – MAX24410 2 1xtal/SE, 3D/SE 25M-52M 9.72M-160M 9.72M-750M 2 180 1 MAX24510 2 1xtal/SE, 3D/SE 25M-52M 9.72M-160M 9.72M-750M 2 1801 ZL30250 1 1xtal/SE, 3D/SE 25M-60M 9.72M-300M 9.72M-1250M 1 ZL30251 1 1xtal/SE, 3D/SE 25M-60M 9.72M-300M 9.72M-1250M ZL30244 2 2xtal/SE, 6D/SE 25M-60M 9.72M-300M ZL30245 2 2xtal/SE, 6D/SE 25M-60M 9.72M-300M Abbreviation Key: D = Differential SE = Single-Ended (CMOS) 1 = Integer-Mode APLL only Operation Part # #CMOS Output Freq. Outputs Range NV Memory Host Bus Supply Voltage Pkg Size, mm 4 1K-750M OTP SPI/I2C 3.3+1.8 11x11 8 4 1K-750M OTP SPI/I2C 3.3+1.8 11x11 4-12 4-12 1K-750M OTP SPI/I2C 3.3+1.8 11x11 0-5 0-10 <1Hz-750M Ext EE SPI 3.3+1.8 10x10 – 0-5 0-10 <1Hz-750M Int EE SPI 3.3+1.8 10x10 – – 0-10 0-20 <1Hz-750M Ext EE SPI 3.3+1.8 10x10 – – 0-10 0-20 <1Hz-750M Int EE SPI 3.3+1.8 10x10 1601 Y 0.01 0-3 0-6 <1Hz-1035M2 Ext EE3 SPI/I2C 3.3+1.8 5x5 1 160 1 Y 0.01 0-3 0-6 <1Hz-1035M 2 3 Int EE SPI/I2C 3.3+1.8 5x5 9.72M-1250M 2 160 1 Y 0.01 0-6 0-12 <1Hz-1035M 2 3 Ext EE SPI/I2C 3.3+1.8 5x10 9.72M-1250M 2 1601 Y 0.01 0-6 0-12 <1Hz-1035M2 Int EE3 SPI/I2C 3.3+1.8 5x10 NCO = Numerically Controlled Oscillator 2 = Spread Spectrum Capable Ext EE = External EEPROM Int EE = Internal EEPROM 3 = Upto Four Configurations Pin-Selectable OTP = One-Time Programmable Clock Generation Selector Guide Rate Conversion / Jitter Attenuation Devices Part # # Independent Output Frequency Families # Inputs 2 1xtal/SE, 3D/SE 25M-52M 2KHz-160M 2KHz-750M 2 1801 Glitchless / Digital Hold / 4Hz-400Hz Y <0.001 0-5 0-10 <1Hz-750M Ext EE SPI 3.3+1.8 10x10 2 1xtal/SE, 3D/SE 25M-52M 2KHz-160M 2KHz-750M 2 1801 Glitchless / Digital Hold / 4Hz-400Hz Y <0.001 0-10 0-20 <1Hz-750M Ext EE SPI 3.3+1.8 10x10 1 1 xtal, 1D 20M or 24.578M 1Hz-177.5M 1Hz-750M 1 <1000 - N – 0 2 <1Hz-177.5M – SPI/I2C 3.3+1.8 9x9 1 1xtal/SE, 3D/SE 25M-60M 1kHz-300M 1kHz-1250M 1 1601 Glitchless / Digital Hold / 14Hz-500Hz Y 0.01 0-3 0-6 <1Hz-1035M2 Ext EE3 SPI/I2C 3.3+1.8 5x5 1 1xtal/SE, 3D/SE 25M-60M 1kHz-300M 1kHz-1250M 1 1601 Glitchless / Digital Hold / 14Hz-500Hz Y 0.01 0-3 0-6 <1Hz-1035M2 Int EE3 SPI/I2C 3.3+1.8 5x5 1 1xtal, 2SE 49.152MHz 8kHz or 25MHz - 1 <1ps Glitchless / Digital Hold / 25Hz N – 2 0 125MHz or 156.25MHz – None 3.3+1.8 5x5 2 2xtal/SE, 6D/SE 25M-60M 1kHz-300M 1kHz-1250M 2 1601 Glitchless / Digital-Hold / 14Hz-500Hz Y 0.01 0-6 0-12 <1Hz-1035M2 Int EE3 SPI/I2C 3.3+1.8 5x10 MAX24605 MAX24610 ZL30159 ZL30252 ZL30253 ZL30254 ZL30255 Abbreviation Key: DPLL Features: Xtal Osc. or # Low- Typical Crystal Input Diff Input Ref. Switching/ NCO CMOS Input Jitter Jitter Freq. Range Freq. Range Holdover/ Mode Freq. Range APLLs fs RMS Bandwidth D = Differential SE = Single-Ended (CMOS) 1 = Integer-Mode APLL only Operation NCO = Numerically Controlled Oscillator 2 = Spread Spectrum Capable NCO ppb # Diff #CMOS Output Freq. NV Outputs Outputs Range Memory Ext EE = External EEPROM Int EE = Internal EEPROM 3 = Upto Four Configurations Pin-Selectable Host Bus Supply Pkg Size, Voltage mm OTP = One-Time Programmable Microsemi makes no warranty, representation, or guarantee regarding the information contained herein or the suitability of its products and services for any particular purpose, nor does Microsemi assume any liability whatsoever arising out of the application or use of any product or circuit. The products sold hereunder and any other products sold by Microsemi have been subject to limited testing and should not be used in conjunction with mission-critical equipment or applications. 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