ICS9FG108D Datasheet, PDF (5/18 Pages) Integrated Device Technology – Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA

ICS9FG108D
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
Absolute Max
Symbol
VDD_A
VDD
Ts
Tambient
Tambient
Tcase
ESD prot
Parameter
3.3V Core Supply Voltage
3.3V Logic Supply Voltage
Storage Temperature
Ambient Operating Temp•(Commerical Grade)
Ambient Operating Temp•(Industrial Grade)
Case Temperature
Input ESD protection•human body model
Min
-65
0
-40
2000
Max
Units
4.6
V
4.6
V
150
°_C
+70
°C
+85
°C
115
°C
V
Electrical Characteristics - REF-14.318/25 MHz
T_A = Tambient, Supply Voltage VDD = 3.3 V +/-5%; R_S=33^Ω, C_L = 5pF
(unless otherwise specified)
SPEC
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS Notes
Long Accuracy
ppm
see Tperiod min-max values
0
ppm 1
Clock period
Clock period
T_period
T_period
14.318MHz output nominal
25.000MHz output nominal
69.8413
40.0000
ns 1,2
ns 1,2
Output High Voltage
V_OH
I_OH = -1 mA
2.4
V
1
Output Low Voltage
V_OL
I_OL = 1 mA
0.4
V
1
Output High Current
I_OH
V_OH @MIN = 1.0 V,
-29
V_OH@MAX = 3.135 V
-23
mA
1
Output Low Current
I_OL
V_OL @MIN = 1.95 V,
29
V_OL @MAX = 0.4 V
27
mA
1
Rise/Fall Time
t_rf1COM
t_rf1IND
V_OL = 0.4 V, V_OH = 2.4 V
Commercial Temp
V_OL = 0.4 V, V_OH = 2.4 V
Industrial Temp
0.5
0.8
2
ns
1
0.5
0.8
2
ns
1
Duty Cycle
d_t1
V_T = 1.5 V
45
55
%
1
Jitter
t_jcyc-cycCOM
V_T = 1.5 V (commerical)
150 200
ps
1
Jitter
t_jcyc-cycIND
VT = 1.5 V (industrial)
250 400
ps
1
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF is at 14.31818 or 25.00}
MHz
Electrical Characteristics - Differential Phase Jitter Parameters
T_A = Commercial and Industrial, Supply Voltage VDD = 3.3 V +/-5%
PARAMETER
Symbol
Conditions
SPEC
Min Typ Max
t_jphasePLL
t_jphaseLo
PCIe Gen 1
PCIe Gen 2
10kHz < f < 1.5MHz
30
86
1.2
3
Jitter, Phase
t_jphaseHigh
t_jphQPI
PCIe Gen 2
1.5MHz < f < Nyquist (50MHz)
QPI 133MHz 4.8G/6.4Gb,12UI
2.2
3.1
0.26/
0.5
0.18
t_jphFBD3.2G
t_jphFBD4.8G
FBD specs
(11 to 33MHz)
FBD specs
(11 to 33MHz)
1.8
3
1.4
2.5
1_{Guaranteed by design and characterization, not 100% tested in production.}
2_{See http://www.pcisig.com for compelte specs}
3_{First number is 4.8G link speed, second number is 6.4G link speed. From Intel Clock Jit tool 1.5.1}
IDT^TM Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
Units Notes
ps (p-p) 1,2
ps
1,2
(RMS)
ps
1,2
(RMS)
ps
1,3
(RMS)
ps
1
(RMS)
ps
(RMS)
1
1542E 12/16/10
5