LMK05318RGZR Ultra-Low Jitter Network Synchronizer Clock With Two Frequency Domains
LMK05318RGZR Clock Synchronizer and Jitter Cleaner IC 800MHz 2 48-VFQFN
Features of LMK05318RGZR
One Digital Phase-Locked Loop (DPLL) With:
– Hitless Switching: ±50-ps Phase Transient
– Programmable Loop Bandwidth With Fastlock
– Standards-Compliant Synchronization and
Holdover Using a Low-Cost TCXO/OCXO
• Two Analog Phase-Locked Loops (APLLs) With
Industry-Leading Jitter Performance:
– 50-fs RMS Jitter at 312.5 MHz (APLL1)
– 125-fs RMS Jitter at 155.52 MHz (APLL2)
• Two Reference Clock Inputs
– Priority-Based Input Selection
– Digital Holdover on Loss of Reference
• Eight Clock Outputs With Programmable Drivers
– Up to Six Different Output Frequencies
– AC-LVDS, AC-CML, AC-LVPECL, HCSL, and
1.8-V LVCMOS Output Formats
• EEPROM / ROM for Custom Clocks on Power-Up
• Flexible Configuration Options
– 1 Hz (1 PPS) to 800 MHz on Input and Output
– XO/TCXO/OCXO Input: 10 to 100 MHz
– DCO Mode: < 0.001 ppb/Step for Precise
Clock Steering (IEEE 1588 PTP Slave)
– Advanced Clock Monitoring and Status
– I
2C or SPI Interface
• PSNR: –83 dBc (50-mVpp Noise on 3.3-V Supply)
• 3.3-V Supply With 1.8-V, 2.5-V, or 3.3-V Outputs
• Industrial Temperature Range: –40°C to +85°C
Product Attributes of LMK05318RGZR
| Type | Description |
| Pakage | tape and reel |
| Product Status | |
| Type | Clock Synchronizer and Jitter Cleaner |
| PLL | |
| Input | |
| Output | CML, HCSL, LVCMOS, LVDS, LVPECL |
| Number of Circuits | |
| Ratio - Input:Output | |
| Differential - Input:Output | |
| Frequency - Max | |
| Divider/Multiplier | |
| Voltage - Supply | 1.71V ~ 1.89V, 3.135V ~ 3.465V |
| Operating Temperature | |
| Mounting Type | |
| Package / Case | |
| Supplier Device Package | |
| Base Product Number | LMK05318 |
Environmental & Export Classifications
| ATTRIBUTE | DESCRIPTION |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| REACH Status | REACH Unaffected |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
Description of LMK05318RGZR
The LMK05318 is a high-performance network synchronizer clock device that provides jitter cleaning, clock generation, advanced clock monitoring, and superior hitless switching performance to meet the stringent timing requirements of communications infrastructure and industrial applications. The ultralow jitter and high power supply noise rejection (PSNR) of the device can reduce bit error rates (BER) in high-speed serial links.
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LMK05318RGZR Clock Synchronizer And Jitter Cleaner IC 800MHz 2 48-VFQFN Images
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