MK2727S General Description
LOW COST 27 MHZ VCXO
The MK2727 is a low cost, low jitter, high-performance VCXO and PLL clock synthesizer designed to replace expensive 27 MHz VCXOs. The on-chip Voltage Controlled Crystal Oscillator accepts a 0 to 3V input voltage to cause the output clocks to vary by ±100 ppm. Using IDT's patented VCXO and analog Phase- Locked Loop (PLL) techniques, the device uses an inexpensive external 13.5 MHz pullable crystal input to produce a 27 MHz output clock.
IDT manufactures a large variety of Set-Top Box and multimedia clock synthesizers for all applications. If more clock outputs are needed, see the MK2731 or MK277x family of parts.
Packaged in 8-pin narrow SOIC Uses an inexpensive 13.500 MHz external crystal On-chip VCXO (patented) with pull range of 200 ppm (minimum) VCXO tuning voltage of 0 to 3 V 25 mA output drive capability at TTL levels Advanced, low power, sub-micron CMOS process 5 V operating voltageMK2727S Maximum Ratings
| Input Frequency | 13.5 MHz |
| No. of Inputs | 1 |
| Temperature | C |
| Output Frequency | 27 MHz |
| Input Type | Crystal |
| No. of Outputs | 1 |
| Output Type | CMOS |
| Voltage | 3.3 V |
| Package | SOIC 8 |
| Speed | NA |
| VCXO Pull Range | ± 100 ppm |
| Core Supply Voltage (VDD) | 5 V |
| Output Supply Voltage (VDDO) | 5 V |
| Peak-to-Peak Period Jitter | ± 100 ps Pk-to-Pk |
| Output Style | SE |
| Input Style | Crystal |
| Temp. Grade | C |
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