ICS557GI-05ALFT IDT, Integrated Device Technology Inc, ICS557GI-05ALFT Datasheet - Page 6
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ICS557GI-05ALFT
Manufacturer Part Number
ICS557GI-05ALFT
Description
IC CLK SOURCE QUAD DIFF 20-TSSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Clock Generatorr
Datasheet
1.ICS557G-05ALF.pdf
(12 pages)
Specifications of ICS557GI-05ALFT
Input
Clock, Crystal
Output
HCSL, LVDS
Frequency - Max
200MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP
Frequency-max
200MHz
Number Of Elements
1
Supply Current
105mA
Pll Input Freq (min)
25MHz
Operating Supply Voltage (typ)
3.3V
Operating Temp Range
-40C to 85C
Package Type
TSSOP
Output Frequency Range
Up to 200MHz
Operating Supply Voltage (min)
3.135V
Operating Supply Voltage (max)
3.465V
Operating Temperature Classification
Industrial
Pin Count
20
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
557GI-05ALFT
PCI-Express Layout Guidelines
PCI-Express Device Routing
Typical PCI-Express (HCSL) Waveform
IDT® QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE
ICS557-05A
QUAD DIFFERENTIAL PCI-EXPRESS CLOCK SOURCE
0
0.175 V
ICS557-05A
t
OR
0.52 V
L1 length, Route as non-coupled 50 ohm trace.
L2 length, Route as non-coupled 50 ohm trace.
L3 length, Route as non-coupled 50 ohm trace.
R
R
L4 length, Route as coupled microstrip 100 ohm differential trace.
L4 length, Route as coupled stripline 100 ohm differential trace.
L4 length, Route as coupled microstrip 100 ohm differential trace.
L4 length, Route as coupled stripline 100 ohm differential trace.
Output
Clock
S
T
Common Recommendations for Differential Routing
500 ps
Differential Routing to a PCI Express Connector
700 mV
Differential Routing on a Single PCB
500 ps
L1
L1’
0.52 V
R
R
0.175 V
S
S
t
OF
L2’
L2
L3’
R
T
L3
R
6
T
L4’
L4
0.225 min to 12.6 max
Dimension or Value
Dimension or Value
Dimension or Value
1.8 min to 14.4 max
2 min to 16 max
0.25 to 14 max
0.5 max
0.2 max
0.2 max
49.9
33
PCI-Express
Connector
Load or
ICS557-05A
inch
inch
inch
ohm
ohm
Unit
inch
inch
Unit
inch
inch
Unit
PCIE SSCG
REV N 032311