Clock Synchronization
Analog Devices Clock synchronizers are designed for wired networking applications, providing the clock redundancy functionality needed to maximize system uptime. Our technology supports clock synchronization with common standards, including 1 pulse per second (PPS) output signal from a GPS receiver. GPS signals are broadly available and utilize an extremely stable atomic clock as its time base, but they are often noisy. Systems rely on the IEEE1588 timing protocol to establish synchronous communications across the wired network, including synchronous Ethernet and synchronous digital hierarchy (SDH) to optical transport network (OTN) mapping/demapping. The IEEE1588 protocol has emerged as the preferred method for Clock synchronizing systems throughout both computer networks and local area networks (LAN).
Product Selection Table
Latest Resources
Clock Synchronization
SortOrder | Part# | # Outputs | Clock Function | Interface | On-Chip VCO or DCO | Output Frequency (max) (Hz) | Output Logic | Power (typ) (W) | Ref Clock (max) (Hz) | Ref Clock (min) (Hz) | Clock Features | Price (1000+) ($ US) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | AD9544 | 10 | Generation, Synchronization | I²C, Serial, SPI | Yes | 500M | CML, HCSL, LVDS | 560m | 750M | 1 | 1PPS, Clean Up, Dual Channel, EEPROM, Fractional, Holdover, IEEE1588, Reset, Switchover, Synchronization, Zero Delay | $10.48 (AD9544BCPZ) |
2 | AD9543 | 10 | Generation, Synchronization | I²C, Serial, SPI | Yes | 500M | CML, HCSL, LVDS | 560m | 750M | 2k | Clean Up, Dual Channel, EEPROM, Fractional, Holdover, IEEE1588, JESD, Reset, Switchover, Synchronization, Zero Delay | $8.98 (AD9543BCPZ) |
3 | AD9542 | 10 | Generation, Synchronization | I²C, Serial, SPI | Yes | 500M | CML, HCSL, LVDS | 560m | 750M | 2k | Clean Up, Dual Channel, EEPROM, Fractional, Holdover, JESD, Reset, Switchover, Synchronization, Zero Delay | $7.48 (AD9542BCPZ) |
4 | AD9545 | 10 | Generation, Synchronization | I²C, Serial, SPI | Yes | 500M | CML, HCSL, LVDS | 560m | 750M | 1 | 1PPS, Clean Up, Dual Channel, EEPROM, Fractional, Holdover, IEEE1588, JESD, Reset, Switchover, Synchronization, Zero Delay | $14.96 (AD9545BCPZ) |
5 | AD9554-1 | 4 | Synchronization | I²C, Serial, SPI | Yes | 941M | HCSL, LVDS, LVPECL | 920m | 1G | 2k | Clean Up, EEPROM, Holdover, Quad Channel, Switchover | $20.81 (AD9554-1BCPZ) |
6 | AD9554 | 8 | Synchronization | I²C, Serial, SPI | Yes | 941M | HCSL, LVDS, LVPECL | 940m | 1G | 2k | Clean Up, EEPROM, Holdover, Quad Channel, Switchover | $21.33 (AD9554BCPZ) |
7 | AD9559 | 4 | Synchronization | I²C, Serial, SPI | Yes | 1.25G | HSTL, LVDS | 710m | 1.25G | 2k | Clean Up, Dual Channel, Holdover, Switchover | $19.26 (AD9559BCPZ) |
8 | AD9558 | 6 | Synchronization | I²C, Pin Select, Serial, SPI | Yes | 1.25G | CMOS, HSTL, LVDS | 740m | 1.25G | 2k | Clean Up, EEPROM, Holdover, Switchover | $16.25 (AD9558BCPZ) |
9 | AD9557 | 2 | Synchronization | I²C, Pin Select, Serial, SPI | Yes | 1.25G | CMOS, HSTL, LVDS | 550m | 1.25G | 2k | Clean Up, EEPROM, Holdover, Switchover | $15.00 (AD9557BCPZ) |
10 | AD9547 | 2 | Synchronization | I²C, Serial, SPI | Yes | 725M | CMOS, LVDS, LVPECL | 800m | 750M | 2k | Clean Up, Holdover, Switchover, Synchronization | $13.67 (AD9547BCPZ) |
11 | AD9548 | 8 | Synchronization | Serial | Yes | 450M | CMOS, LVDS, LVPECL | 800m | 750M | 1 | 1PPS, Clean Up, EEPROM, Holdover, IEEE1588, Switchover, Synchronization, Zero Delay | $23.27 (AD9548BCPZ) |
12 | AD9549 | 2 | Synchronization | Serial, SPI | Yes | 725M | CMOS, HSTL | 1 | 750M | 8k | Clean Up, Holdover, Switchover, Synchronization | $13.82 (AD9549ABCPZ) |