ICS9FG104DGILFT IDT, Integrated Device Technology Inc, ICS9FG104DGILFT Datasheet - Page 13

IC FREQ TIMING GENERATOR 28TSSOP

ICS9FG104DGILFT

Manufacturer Part Number
ICS9FG104DGILFT
Description
IC FREQ TIMING GENERATOR 28TSSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Frequency Generatorr
Datasheet

Specifications of ICS9FG104DGILFT

Input
Clock, Crystal
Output
Differential
Frequency - Max
400MHz
Voltage - Supply
3.135 V ~ 3.465 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-TSSOP
Frequency-max
400MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
800-1255-2
9FG104DGILFT
IDT
ICS9FG104D
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
®
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
L1 length, route as non-coupled 50ohm trace
L2 length, route as non-coupled 50ohm trace
L3 length, route as non-coupled 50ohm trace
Rs
Rt
L4 length, route as coupled microstrip 100ohm differential trace 2 min to 16 max
L4 length, route as coupled stripline 100ohm differential trace
L4 length, route as coupled microstrip 100ohm differential trace 0.25 to 14 max
L4 length, route as coupled stripline 100ohm differential trace
Figure 1: Down Device Routing
HCSL Output Buffer
Figure 2: PCI Express Connector Routing
Common Recommendations for Differential Routing
HCSL Output Buffer
Differential Routing to PCI Express Connector
Down Device Differential Routing
L1'
L1
L1'
L1
Rs
Rs
Rs
Rs
DIF Reference Clock
L2'
L2
13
L2'
L2
Rt
L3'
Rt
L3'
L3
Rt
0.5 max
0.2 max
0.2 max
33
49.9
1.8 min to 14.4 max
0.225 min to 12.6 max
L3
Dimension or Value
Rt
L4'
L4
L4'
L4
REF_CLK Input
Add-in Board
PCI Express
REF_CLK Input
Down Device
PCI Express
ohm
ohm
Unit
inch
inch
inch
inch
inch
inch
inch
Figure
1541C—12/16/10
1
1
1
1
1
1
1
2
2

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