http://www.www.datasheet4u.com

900,000+ Datasheet PDF Search and Download

Datasheet4U offers most rated semiconductors datasheets pdf



Integrated Device Technology Electronic Components Datasheet



ICS9FG104D

Frequency Generator



No Preview Available !

ICS9FG104D pdf
DATASHEET
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
ICS9FG104D
Description
The ICS9FG104D is a Frequency Timing Generator that provides 4
differential output pairs that are compliant to the Intel CK410
specification. It also provides support for PCI-Express and SATA.
The part synthesizes several output frequencies from either a
14.31818 Mhz crystal or a 25 MHz crystal. The device can also be
driven by a reference input clock instead of a crystal. It provides
outputs with cycle-to-cycle jitter of less than 50 ps and output-to-
output skew of less than 35 ps. The ICS9FG104D also provides a
copy of the reference clock. Frequency selection can be
accomplished via strap pins or SMBus control.
Key Specifications
Features/Benefits
• Generates common frequencies from 14.318 MHz or
25 MHz
• Crystal or reference input
• 4 - 0.7V current-mode differential output pairs
• Supports Serial-ATA at 100 MHz
• Two spread spectrum modes: 0 to -0.5 downspread
and +/-0.25% centerspread
• Unused inputs may be disabled in either driven or Hi-Z
state for power management.
• Output cycle-to-cycle jitter < 50 ps
• Output to output skew < 35 ps
• +/-300 ppm frequency accuracy on output clocks
• +/-50 ppm at any frequency w/spread off
Functional Block Diagram
XIN/CLKIN
X2
2
OSC
PROGRAMMABLE
SPREAD PLL
STOP
LOGIC
4
REFOUT
DIF(3:0)
SPREAD
SEL14M_25M#
DIF_STOP#
FS(2:0)
SDATA
SCLK
CONTROL
LOGIC
IREF
IDT® Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
1
1541C—12/16/10



No Preview Available !

ICS9FG104D pdf
ICS9FG104D
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
Pin Configuration
XIN/CLKIN 1
X2 2
VDD 3
GND 4
REFOUT 5
vFS2 6
DIF_3 7
DIF_3# 8
VDD 9
GND 10
DIF_2 11
DIF_2# 12
SDATA 13
SCLK 14
28 VDDA
27 GNDA
26 IREF
25 vFS0
24 vFS1
23 DIF_0
22 DIF_0#
21 VDD
20 GND
19 DIF_1
18 DIF_1#
17 ^SEL14M_25M#
16 vSPREAD
15 DIF_STOP#
^ Pin has internal 120K pull up
v Pin has internal 120K pull down
28-pin SSOP/TSSOP
Functionality Table
SEL14M_25M#
(FS3)
FS2 FS1 FS0 OUTPUT(MHz)
0
000
100.00
0
001
125.00
0
010
133.33
0
011
166.67
0
100
200.00
0
101
266.00
0
110
333.00
0
111
400.00
1
000
100.00
1
001
125.00
1
010
133.33
1
011
166.67
1
100
200.00
1
101
266.00
1
110
333.00
1
111
400.00
Power Groups
Pin Number
VDD
GND
34
9,21 10,20
28 27
Description
REFOUT, Digital Inputs
DIF Outputs
IREF, Analog VDD, GND for PLL Core
IDT® Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
2
1541C—12/16/10



Part Number ICS9FG104D
Description Frequency Generator
Maker IDT - IDT
Total Page 17 Pages
PDF Download
ICS9FG104D pdf
Download PDF File
ICS9FG104D pdf
View for Mobile




Featured Datasheets

Part Number Description Manufacturers PDF
ICS9FG104 Programmable FTG for Differential P4TM CPU ICS9FG104
Integrated Circuit Systems
PDF
ICS9FG104 Frequency Generator ICS9FG104
Integrated Device Technology
PDF
ICS9FG104D Frequency Generator ICS9FG104D
IDT
PDF
ICS9FG107 Programmable FTG ICS9FG107
IDT
PDF
ICS9FG107 Programmable FTG for Differential CPU ICS9FG107
Integrated Circuit Systems
PDF
ICS9FG108 Frequency Generator ICS9FG108
IDT
PDF


Part Number Start With

0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

site map

webmaste! click here

contact us

Buy Components