ICS9FG108DGILF IDT, Integrated Device Technology Inc, ICS9FG108DGILF Datasheet - Page 4

• Manufacturer Part Number: ICS9FG108DGILF
• Description: IC FREQ TIMING GENERATOR 48TTSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Frequency Generatorr

Specifications of ICS9FG108DGILF

• 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: 800-1978-5; 9FG108DGILF; ICS9FG108DGILF

Pin Description (continued)
IDT
^ indicates internal 120K pull up
v indicates internal 120K pull down
PIN #
Note:
ICS9FG108D
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
TM
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
DIF_STOP#
vSPREAD
^SEL14M_25M#
vOE_3
DIF_3#
DIF_3
VDD
DIF_2#
DIF_2
^OE_2
GND
VDD
^OE_1
DIF_1#
DIF_1
VDD
DIF_0#
DIF_0
vOE_0
vFS1
vFS0
IREF
GNDA
VDDA
PIN NAME
PIN TYPE
PWR
PWR
PWR
PWR
PWR
PWR
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
Active low input to stop differential output clocks.
Asynchronous, active high input to enable spread spectrum functionality. This pin has
a 120Kohm pull down resistor.
Select 14.31818 MHz or 25 Mhz input frequency. This pin has an internal 120kohm
pull up resistor.
1 = 14.31818 MHz, 0 = 25 MHz
Active high input for enabling output 3. This pin has an internal 120kohm pull down
resistor.
0 = tri-state outputs, 1= enable outputs
0.7V differential Complementary clock output
0.7V differential true clock output
Power supply, nominal 3.3V
0.7V differential Complementary clock output
0.7V differential true clock output
Active high input for enabling output 2. This pin has in internal 120kohm pull up
resistor.
0 = tri-state outputs, 1= enable outputs
Ground pin.
Power supply, nominal 3.3V
Active high input for enabling output 1. This pin has an internal 120kohm pull up
resistor.
0 = tri-state outputs, 1= enable outputs
0.7V differential Complementary clock output
0.7V differential true clock output
Power supply, nominal 3.3V
0.7V differential Complementary clock output
0.7V differential true clock output
Active high input for enabling output 0. This pin has an internal 120kohm pull down
resistor.
0 = tri-state outputs, 1= enable outputs
3.3V Frequency select latched input pin with internal 120kohm pull down resistor.
3.3V Frequency select latched input pin with internal 120kohm pull down resistor.
This pin establishes the reference current for the differential current-mode output pairs.
This pin requires a fixed precision resistor tied to ground in order to establish the
appropriate current. 475 ohms is the standard value.
Ground pin for the PLL core.
3.3V power for the PLL core.
4
DESCRIPTION
1542E 12/16/10