Features
- Eight LVCMOS/LVTTL outputs, 19Ω typical output impedance at VDD = VDDO = 3.3V
- Two crystal oscillator input pairs
One LVCMOS/LVTTL clock input - Crystal input frequency range: 10MHz to 40MHz
- Output frequency: 200MHz (maximum)
- Output skew: 70ps (maximum) at VDD = VDDO = 3.3V
- Part-to-part skew: 700ps (maximum) at VDD = VDDO = 3.3V
- RMS phase jitter at 25MHz output, using a 25MHz crystal,
(12kHz – 10MHz): 0.39ps (typical) at VDD = VDDO = 3.3V - RMS phase noise at 25MHz
Offset/Noise Power
100Hz: -111.4 dBc/Hz
1kHz: -139.9 dBc/Hz
10kHz: -157.3 dBc/Hz
100kHz: -157.5 dBc/Hz - Power supply voltage modes:
Core/Output
3.3V/3.3V
3.3V/2.5V
3.3V/1.8V
2.5V/2.5V
2.5V/1.8V - 0 °C to 70 °C ambient operating temperature
- Lead-free (RoHS 6) packaging
83908-02 - Block Diagram
Description
The 83908-02 is a low-skew, high-performance 1-to-8 crystal oscillator/crystal-to-LVCMOS fanout buffer. The 83908-02 has selectable single-ended clock or two crystal oscillator inputs. There is an output enable to disable the outputs by placing them into a high-impedance state.
Guaranteed output and part-to-part skew characteristics make the 83908-02 ideal for those applications demanding well-defined performance and repeatability.
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