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ICS83905

Part Number	ICS83905
Manufacturer	Integrated Device Technology
Description	1:6 CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER
Published	Dec 18, 2008
Detailed Description	LOW SKEW, 1:6 CRYSTAL-TOLVCMOS/LVTTL FANOUT BUFFER ICS83905 GENERAL DESCRIPTION The ICS83905 is a low skew, 1-to-6 LVC...
Datasheet	ICS83905 PDF File

Overview

LOW SKEW, 1:6 CRYSTAL-TOLVCMOS/LVTTL FANOUT BUFFER ICS83905 GENERAL DESCRIPTION The ICS83905 is a low skew, 1-to-6 LVCMOS / LVTTL IC S Fanout Buffer and a member of the HiPerClockS™ HiPerClockS™ family of High Performance Clock Solutions from IDT.
The low impedance LVCMOS/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.
www.
DataSheet4U.
com FEATURES • Six LVCMOS / 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 ideal for high performance, single ended applications that also require a limited output voltage.
PIN ASSIGNMENTS XTAL_OUT ENABLE 2 ENABLE 1 XTAL_IN nc 20 19 18 17 16 ICS83905 20-Lead VFQFN 4mm x 4mm x 0.
9mm body package GND GND BCLK0 VDDO BCLK1 1 2 3 4 5 6 GND • 0°C to 70°C ambient operating temperature • Available in both standard (RoHS 5) and lead-free (RoHS 6) packages K Package Top View 7 GND 8 BCLK2 9 10 BCLK3 VDD BLOCK DIAGRAM BCLK0 XTAL_OUT ENABLE 2 GND BCLK0 VDDo BCLK1 GND ...

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