LOW SKEW, 1:6 CRYSTAL-TOLVCMOS/LVTTL FANOUT BUFFER
ICS83905
GENERAL DESCRIPTION
The ICS83905 is a low skew, 1-to-6 LVC...
LOW SKEW, 1:6 CRYSTAL-TOLV
CMOS/LVTTL FANOUT BUFFER
ICS83905
GENERAL DESCRIPTION
The ICS83905 is a low skew, 1-to-6 LV
CMOS / LVTTL IC S Fanout Buffer and a member of the HiPerClockS™ HiPerClockS™ family of High Performance Clock Solutions from IDT. The low impedance LV
CMOS/LVTTL outputs are designed to drive 50Ω series or parallel terminated transmission lines. The effective fanout can be increased from 6 to 12 by utilizing the ability of the outputs to drive two series terminated lines.
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FEATURES
Six LV
CMOS / LVTTL outputs Outputs able to drive 12 series terminated lines Crystal oscillator interface Crystal input frequency range: 10MHz to 40MHz Output skew: 80ps (maximum) RMS phase jitter @ 25MHz, (100Hz - 1MHz): 0.26ps (typical) (VDD = VDDO = 2.5V) Phase noise: Offset Noise Power 100Hz ............. -129.7 dBc/Hz 1kHz ............. -144.4 dBc/Hz 10kHz ............. -147.3 dBc/Hz 100kHz ............. -157.3 dBc/Hz 5V tolerant enable inputs Synchronous output enables Operating power supply modes: Full 3.3V, 2.5V and 1.8V, mixed 3.3V core/2.5V output operating supply, mixed 3.3V core/1.8V output operating supply, mixed 2.5V core/1.8V output operating supply
15 14 13 12 11 BCLK5 VDDO BCLK4 GND GND
The ICS83905 is characterized at full 3.3V, 2.5V, and 1.8V, mixed 3.3V/2.5V, 3.3V/1.8V and 2.5V/1.8V output operating supply mode. Guaranteed output and part-to-part skew characteristics along with the 1.8V output capabilities makes the ICS83905...