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8732-01 fiches techniques PDF

IDT - Low Skew 3.3V LVPECL Clock Generator

Numéro de référence 8732-01
Description Low Skew 3.3V LVPECL Clock Generator
Fabricant IDT 
Logo IDT 





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8732-01 fiche technique
Low Voltage, Low Skew
3.3V LVPECL Clock Generator
8732-01
Data Sheet
GENERAL DESCRIPTION
The 8732-01 is a low voltage, low skew, 3.3V LVPECL Clock
Generator. The 8732-01 has two selectable clock inputs. The
CLK0, nCLK0 pair can accept most standard differential input
levels.The single ended clock input accepts LVCMOS or LVTTL
input levels. The 8732-01 has a fully integrated PLL along with
frequency configurable outputs. An external feedbackinput and
outputs regenerate clocks with “zero delay”.
The 8732-01 has multiple divide select pins for each bank of
outputs along with 3 independent feedback divide select pins
allowing the 8732-01 to function both as a frequency multiplier
and divider. The PLL_SEL input can be usedto bypass the
PLL for test and system debug purposes.In bypass mode,
the input clock is routed around the PLLand into the internal
output dividers.
Features
Ten differential 3.3V LVPECL outputs
Selectable differential CLK0, nCLK0 or
LVCMOS/LVTTL CLK1 inputs
CLK0, nCLK0 supports the following input types:
LVPECL, LVDS, LVHSTL, SSTL, HCSL
CLK1 accepts the following input levels:
LVCMOS or LVTTL
Maximum output frequency: 350MHz
VCO range: 250MHz to 700MHz
External feedback for “zero delay” clock regeneration
with configurable frequencies
Cycle-to-cycle jitter: CLK0, nCLK0, 50ps (maximum)
CLK1, 80ps (maximum)
Output skew: 150ps (maximum)
Static phase offset: -150ps to 150ps
Lead-Free package fully RoHS compliant
BLOCK DIAGRAM
PIN ASSIGNMENT
VCCO
QA0
52 51 50 49 48 47 46 45 44 43 42 41 40
1 39
2 38
VCCO
nQB3
nQA1
VEE
PLL_SEL
VCCO
nQA2
QA3
nQA3
VEE
5 35
6 34
7
ICS8732-01
33
31
10 30
11 29
12 28
13 27
14 15 16 17 18 19 20 21 22 23 24 25 26
QB2
VEE
MR
VCCO
QB1
nQB0
QB0
VEE
52-Lead LQFP
10mm x 10mm x 1.4mm package body
Y package
Top View
©2016 Integrated Device Technology, Inc
1
Revision E January 22, 2016

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