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844244AGI-04LFT

Description
IC CLOCK GENERATOR SMD
Categorysemiconductor    Analog mixed-signal IC   
File Size399KB,17 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Environmental Compliance
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844244AGI-04LFT Overview

IC CLOCK GENERATOR SMD

844244AGI-04LFT Parametric

Parameter NameAttribute value
Installation typesurface mount
Package/casing16-TSSOP (0.173", 4.40mm wide)
Supplier device packaging16-TSSOP
FemtoClock
®
Crystal-to-LVDS 150MHz
Clock Generator
844244I-04
DATA SHEET
General Description
The 844244I-04 is a Serial ATA (SATA)/Serial Attached SCSI (SAS)
Clock Generator. For SATA/SAS applications, a 25MHz crystal is
used to produce 150MHz. The 844244I-04 has excellent <1ps phase
jitter performance, over the 12kHz - 20MHz integration range. The
844244I-04-04 is packaged in a small 16-pin TSSOP, making it ideal
for use in systems with limited board space.
Features
Four differential LVDS output pairs
Crystal oscillator interface, 18pF parallel resonant crystal
(20.833MHz – 28.3MHz)
Output frequency range: 125MHz – 170MHz
VCO range: 500MHz – 680MHz
RMS phase jitter at 150MHz, using a 25MHz crystal
(12kHz – 20MHz): 0.9ps (typical) @ 3.3V
Full 3.3V or 2.5V output supply modes
-40°C to 85°C ambient operating temperature
Available in lead-free (RoHS 6) package
Block Diagram
Q0
nQ0
XTAL_IN
Q1
nQ1
Pin Assignment
Q2
nQ2
V
DD
Q3
nQ3
GND
V
DDA
V
DD
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Q0
nQ0
V
DD
Q1
nQ1
GND
XTAL_IN
XTAL_OUT
OSC
XTAL_OUT
Phase
Detector
VCO
500MHz - 680MHz
÷4
Q2
nQ2
Q3
nQ3
÷24
844244I-04
16 Lead TSSOP
4.4mm x 5.0mm package body
844244I-04 REVISION B 10/15/15
1
©2015 Integrated Device Technology, Inc.

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