SY89228U Description
The SY89228U is a precision, low jitter 1GHz ÷3, ÷5 clock divider with an LVPECL output. A unique FailSafe Input (FSI) protection prevents metastable output conditions when the input clock voltage swing drops significantly below 100mV or input is removed. The differential input includes Micrel’s unique, 3-pin internal termination architecture that allows the input to interface to any differential signal (AC- or...
SY89228U Key Features
- Accepts a high-speed input and provides a precision ÷3 and ÷5 sub-rate, LVPECL output
- Fail-Safe Input
- Prevents oscillations when input is invalid
- Guaranteed AC performance over temperature and supply voltage
- DC-to >1.0GHz throughput
- < 1500ps Propagation Delay (In-to-Q)
- < 270ps Rise/Fall times
- Ultra-low jitter design
- <1psRMS random jitter
- <1psRMS cycle-to-cycle jitter
SY89228U Applications
- Fail-safe clock protection