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Part Number: MK2049-34
Description: The MK2049-34 is a Phase-Locked Loop (PLL) based clock synthesizer that accepts multiple input frequen...
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MK2049-34
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General Description
MK2049-34 General Description
The MK2049-34 is a Phase-Locked Loop (PLL) based clock synthesizer that accepts multiple input frequencies. With an 8 kHz clock input as a reference, the MK2049-34 generates T1, E1, T3, E3, ISDN, xDSL, and other communications frequencies. This allows for the generation of clocks frequency-locked and phase-locked to an 8 kHz backplane clock, simplifying clock synchronization in communications systems. The MK2049-34 can also accept a T1 or E1 input clock and provide the same output for loop timing. All outputs are frequency locked together and to the input.
This part also has a jitter-attenuated Buffer capability. In this mode, the MK2049-34 is ideal for filtering jitter from 27 MHz video clocks or other clocks with high jitter.
ICS/MicroClock can customize these devices for many other different frequencies. Contact your ICS/MicroClock representative for more details.
MK2049-34 Maximum Ratings
Parameter |
Conditions |
Minimum |
Typical |
Maximum |
Units |
| Supply Voltage, VDD | Referenced to GND | 7 |
V |
||
| Inputs and Clock Outputs | -0.5 |
VDD+0.5V |
V |
||
| Ambient Operating Temperature | MK2049-34SI | -40 |
70 |
||
| Soldering Temperature | Max of 10 seconds | 250 |
|||
| Storage temperature | -65 |
150 |
MK2049-34 Features
• Packaged in 20 pin SOIC
• 3.3 V ±5% operation
• Fixed I/O phase relationship on all selections
• Meets the TR62411, ETS300 011, and GR-1244 specification for MTIE, Pull-in/Hold-in Range, Phase Transients, and Jitter Generation for Stratum 3, 4, and 4E
• Accepts multiple inputs: 8 kHz backplane clock, Loop Timing frequencies, or 10-36 MHz
• Locks to 8 kHz ±100 ppm (External mode)
• Buffer Mode allows jitter attenuation of 1036 MHz input and x1/x0.5 or x2/x4 outputs
• Exact internal ratios enable zero ppm error
• Output clock rates include T1, E1, T3, E3, ISDN, xDSL, and OC3 submultiples
• See the MK2049-01, -02, and -03 for more selections at VDD = 5 V
MK2049-34 Connection Diagram
MK2049-34
PDF/DataSheet Download
- Datasheet: MK2049-34
- File Size: 138916 KB
- Manufacturer: ICST [Integrated Circuit Systems]
- Click here to Download
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