ICS9FG104DGILFT IDT, Integrated Device Technology Inc, ICS9FG104DGILFT Datasheet - Page 8

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

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
SMBus Table: Device Control Register, READ/WRITE ADDRESS (DC/DD)
Notes:
1. These bits reflect the state of the corresponding pins at power up, but may be written to
if Byte 0, bit 2 is set to '1'. FS3 is the SEL14M_25M# pin.
SMBus Table: Output Enable Register
SMBus Table: Output Stop Control Register
ICS9FG104D
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
®
Byte 0
Byte 1
Byte 2
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Pin #
Pin #
Pin #
17
24
25
16
6
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Enable Software Control of Frequency, Spread Enable
DIF_3 STOP EN
DIF_2 STOP EN
DIF_1 STOP EN
DIF_0 STOP EN
DIF_2 EN
DIF_1 EN
DIF_0 EN
DIF_3 EN
(Spread Type always Software Control)
Name
Name
Name
DIF_STOP# drive mode
Spread Enable
SPREAD TYPE
FS3
FS2
FS1
FS0
Free Run/ Stop Enable
Free Run/ Stop Enable
Free Run/ Stop Enable
Free Run/ Stop Enable
1
1
1
1
Control Function
Control Function
Control Function
Output Enable
Output Enable
Output Enable
Output Enable
1
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
8
Type
Type
Type
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
RW
Hardware Select Software Select
See Frequency Selection Table,
Free-run
Free-run
Free-run
Free-run
Disable
Disable
Disable
Disable
Driven
Down
Off
0
0
0
Page 1
Stop-able
Stop-able
Stop-able
Stop-able
Center
Enable
Enable
Enable
Enable
Hi-Z
On
1
1
1
Default
Default
Default
1541C—12/16/10
Pin 17
Pin 24
Pin 25
Pin 16
Pin 6
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0