ICS9FG108DGILFT IDT, Integrated Device Technology Inc, ICS9FG108DGILFT Datasheet

IC FREQ TIMING GENERATOR 48TSSOP

ICS9FG108DGILFT

Manufacturer Part Number
ICS9FG108DGILFT
Description
IC FREQ TIMING GENERATOR 48TSSOP
Manufacturer
IDT, Integrated Device Technology Inc
Type
Frequency Generatorr
Datasheet
1.ICS9FG108DFLFT.pdf (18 pages)

Specifications of ICS9FG108DGILFT

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
48-TSSOP
Frequency-max
400MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
800-1259-2
9FG108DGILFT

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
ICS9FG108DGILFT
Manufacturer:
IDT
Quantity:
490
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
Description
ICS9FG108D is a Frequency Timing Generator that provides 8
differential output pairs that are compliant to the Intel CK410
specification.
generation I/O, 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 65 ps. ICS9FG108D also
provides a copy of the reference clock. Frequency selection can be
accomplished via strap pins or SMBus control.
Key Specifications
•
•
•
•
Functional Block Diagram
IDT
TM
Output cycle-to-cycle jitter < 50 ps
Output to output skew < 65 ps
+/-300 ppm frequency accuracy on output clocks
+/-50 ppm at any frequency with spread off
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
It also provides support for PCI-Express, next
XIN/CLKIN
X2
OE(7:0)
SPREAD
SEL14M_25M#
DIF_STOP#
FS(2:0)
SDATA
SCLK
CONTROL
OSC
LOGIC
PROGRAMMABLE
SPREAD PLL
1
Features/Benefits
•
•
•
•
•
•
Generates common frequencies from 14.318 MHz or
25 MHz
Crystal or reference input
8 - 0.7V current-mode differential output pairs
Supports Serial-ATA at 100 MHz
Two spread spectrum modes: 0 to -0.5 down spread
and +/-0.25% center spread
Unused inputs may be disabled in either driven or Hi-Z
state for power management.
LOGIC
STOP
8
IREF
DIF(7:0)
ICS9FG108D
DATASHEET
1542E 12/16/10

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ICS9FG108DGILFT Summary of contents

Page 1

Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Description ICS9FG108D is a Frequency Timing Generator that provides 8 differential output pairs that are compliant to the Intel CK410 specification. It also provides support for PCI-Express, next generation ...

Page 2

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Pin Configuration XIN/CLKIN VDD 3 GND 4 REFOUT 5 vFS2 6 vOE_7 7 DIF_7 8 DIF_7# 9 VDD 10 DIF_6 11 DIF_6# 12 ^OE_6 13 ...

Page 3

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Pin Description PIN # PIN PIN TYPE 1 XIN /C LKIN PWR PWR 5 ...

Page 4

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Pin Description (continued) PIN # PIN NAME PIN TYPE 25 DIF_STOP vSPREAD IN 27 ^SEL14M_25M vOE_3 IN 29 DIF_3# OUT 30 DIF_3 OUT 31 ...

Page 5

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Absolute Max Symbol Parameter VDD_A 3.3V Core Supply Voltage VDD 3.3V Logic Supply Voltage Ts Storage Temperature Tambient Ambient Operating Temp•(Commerical Grade) Tambient Ambient Operating Temp•(Industrial Grade) Tcase ...

Page 6

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Electrical Characteristics - Input/Supply/Common Output Parameters T = Tambient, Supply Voltage V = 3.3 V +/- PARAMETER SYMBOL Input High Voltage V IH Input Low Voltage ...

Page 7

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Electrical Characteristics - DIF 0.7V Current Mode Differential Pair T = Tambient, Supply Voltage VDD = 3.3 V +/-5 =49.9 Ω 475 Ω ...

Page 8

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA General SMBus serial interface information for the ICS9FG108D How to Write: • Controller (host) sends a start bit. • Controller (host) sends the write address DC • ICS ...

Page 9

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA SMBus Table: Device Control Register, READ/WRITE ADDRESS (DC/DD) Byte 0 Pin # Name 27 Bit 7 5 Bit 6 Bit 5 44 Bit Bit 3 ...

Page 10

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA SMBus Table: Frequency Select Readback Register Byte 3 Pin # Name SEL14M_25M# 27 Bit 7 (FS3) 6 Bit 6 FS2 44 Bit 5 FS1 45 Bit 4 FS0 ...

Page 11

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA SMBus Table: Byte Count Register Byte 6 Pin # Name Bit 7 - BC7 Bit 6 - BC6 Bit 5 - BC5 Bit 4 - BC4 Bit 3 ...

Page 12

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA SMBus Table: PLL Frequency Control Register Byte 10 Pin # Name - PLL N Div8 Bit 7 - PLL N Div9 Bit 6 - PLL M Div5 Bit ...

Page 13

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA DIF_STOP# - Assertion (transition from '1' to '0') Asserting DIF_STOP# pin stops all DIF outputs that are set to be stoppable after their next transition. When the SMBus ...

Page 14

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Common Recommendations for Differential Routing 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 ...

Page 15

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Alternative Termination for LVDS and other Common Differential Signals (figure 3) Vdiff Vp-p Vcm 0.45v 0.22v 1.08 0.58 0.28 0.6 0.80 0.40 0.6 0.60 0.3 1.2 R1a = ...

Page 16

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA 48-pin SSOP Package Outline and Dimensions INDEX INDEX AREA AREA 45° SEATING SEATING b PLANE PLANE .10 ...

Page 17

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA 48-pin TSSOP Package Outline and Dimensions INDEX INDEX AREA AREA aaa Ordering Information Part / ...

Page 18

ICS9FG108D Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA Revision History Rev. Issue Date Description 0.1 12/18/2008 New datasheet. 1. Updated phase jitter tables. 2, Updated input frequency ranges. There are now separate ranges for 14.318M input ...

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