ICS9FG104D Datasheet, PDF (6/17 Pages) Integrated Device Technology – Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA

ICS9FG104D
Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
Electrical Characteristics - REF-14.318/25 MHz
T_A = TAM BIENT; V_DD = 3.3 V +/-5%;R_S=33^Ω C_L = 5 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
Long Accuracy
ppm
see Tperiod min-max values
Clock period
T_period
14.318MHz output nominal
25.000MHz output nominal
Output High Voltage
V_OH
I_OH = -1 mA
2.4
Output Low Voltage
V_OL
I_OL = 1 mA
Output High Current
I_OH
V_OH @MIN = 1.0 V,
-29
V_OH@MAX = 3.135 V
Output Low Current
I_OL
V_OL @MIN = 1.95 V,
29
V_OL @MAX = 0.4 V
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
1
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
1
Duty Cycle
d_t1
V_T = 1.5 V
45
Jitter
t_jcyc-cycCOM
V_T = 1.5 V (commerical)
Jitter
t_jcyc-cycIND
VT = 1.5 V (commerical)
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{Trim capacitors must be used to tune the REF to the exact Crystal Frequency.}
TYP MAX
0
69.8413
40.0000
0.4
-23
27
1.6
2.5
1.6
2.5
52.5
55
150 200
400 600
UNITS Notes
ppm 1,2
ns 1,2
ns 1,2
V
1
V
1
mA 1
mA 1
ns
1
ns 1,2
% 1,2
ps
1
ps
1
Electrical Characteristics - Differential Phase Jitter Parameters
PARAMETER
Symbol
Conditions
Min
t_jphasePLL
t_jphaseLo
PCIe Gen 1
PCIe Gen 2
10kHz < f < 1.5MHz
Jitter, Phase
t_jphaseHigh
t_jphQPI
PCIe Gen 2
1.5MHz < f < Nyquist (50MHz)
QPI 133MHz 4.8G/6.4Gb,12UI
Typ
Max
40
86
1.2
3
2.2
3.1
0.25/0.2 0.5
t_jphFBD3.2G
FBD specs
(11 to 33MHz)
2.2
3
t_jphFBD4.8G
FBD specs
(11 to 33MHz)
1.8
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}
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
IDT^® Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA
6
1541C—12/16/10