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843001AGI-22LFT

Description
clock synthesizer / jitter cleaner 1 lvpecl out synthesizer
Categorysemiconductor    Other integrated circuit (IC)   
File Size366KB,21 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Environmental Compliance  
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843001AGI-22LFT Overview

clock synthesizer / jitter cleaner 1 lvpecl out synthesizer

843001AGI-22LFT Parametric

Parameter NameAttribute value
ManufactureIDT (Integrated Device Technology)
Product CategoryClock Synthesizer / Jitter Cleane
RoHSYes
Package / CaseTSSOP-24
PackagingReel
Factory Pack Quantity2500
FemtoClock™ Crystal/LVCMOS-to-3.3V,
2.5V LVPECL Frequency Synthesizer
843001I-22
DATA SHEET
General Description
The 843001I-22 is a a highly versatile, low phase noise
LVPECL/LVCMOS Synthesizer which can generate low jitter
reference clocks for a variety of communications applications and is
a member of the family of high performance clock solutions from IDT.
The dual crystal interface allows the synthesizer to support up to two
communication standards in a given application (i.e. 1GB Ethernet
with a 25MHz crystal and 1Gb Fibre Channel using a 26.5625MHz
crystal). The rms phase jitter performance is typically less than 1ps,
thus making the device acceptable for use in demanding
applications such as OC48 SONET and 10Gb Ethernet. The
843001I-22 is packaged in a small 24-pin TSSOP package.
Features
One 3.3Vdifferential LVPECL output pair and
one LVCMOS/LVTTL single-ended reference clock output
Selectable crystal oscillator interface
or LVCMOS/LVTTL single-ended input
VCO range: 490MHz – 640MHz
Output frequency range: 49MHz – 640MHz
Supports the following applications:
SONET, Ethernet, Fibre Channel, Serial ATA, and HDTV
RMS phase jitter @ 125MHz (1.875MHz - 20MHz):
0.50ps (typical)
Full 3.3V or 2.5V supply mode
-40°C to 85°C ambient operating temperature
Available in lead-free (RoHS 6) package
Control Input Function Table
Input
OE
0
1
FLOAT
Q/nQ
High-Impedance
High-Impedance
Active
Outputs
REF_OUT
High-Impedance
Active
High-Impedance
Pin Assignment
V
CCO_LVCMOS
N0
N1
N2
V
CCO_LVPECL
Q
nQ
V
EE
V
CCA
V
CC
XTAL_OUT1
XTAL_IN1
Block Diagram
3
N2:N0
SEL0
Pulldown
SEL1
Pulldown
N
XTAL_IN0
000
001
010
011
100
101
110
111
÷1
÷2
÷3
÷4
(default)
÷5
÷6
÷8
÷10
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
REF_OUT
V
EE
OE
M2
M1
M0
MR
SEL1
SEL0
CLK
XTAL_IN0
XTAL_OUT0
843001I-22
24-Lead TSSOP
4.4mm x 7.8mm x 0.925mm
package body
G Package
Top View
OSC
XTAL_OUT0
XTAL_IN1
00
11
Q
nQ
OSC
XTAL_OUT1
CLK
Pulldown
01
Phase
Detector
VCO
490MHz-640MHz
10
01
00
10
000
001
010
011
100
101
M
÷18
÷22
÷24
÷25
÷32
(default)
÷40
MR
Pulldown
M2:M0
3
REF_CLK
OE
Pullup/Pulldown
843001I-22 Rev B 11/16/15
1
©2015 Integrated Device Technology, Inc.

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