ICS9FG107 Datasheet, PDF (13/18 Pages) Integrated Circuit Systems – Programmable FTG for Differential CPU, PCI Express & SATA Clocks

ICS9FG107
Programmable FTG for Differential P4^TM CPU, PCI-Express & SATA Clocks
Electrical Characteristics - PCICLK/PCICLK_F
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L = 30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP MAX
UNITS
Long Accuracy
ppm
see Tperiod min-max values
-300
300
ppm
Clock period
T_period
33.33MHz output nominal
33.33MHz output spread
29.99100
29.99100
30.00900 ns
30.15980 ns
Absolute Min/Max Clock
period
T_abs
33.33MHz output nominal
33.33MHz output spread
29.49100
29.49100
30.50900 ns
30.65980 ns
Clk High Time
t_h1
12
Clock Low Time
t_l1
12
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
V_OH@ MAX = 3.135 V
-33
Output Low Current
I_OL
V_OL @ MIN = 1.95 V
V_OL @ MAX = 0.4 V
30
N/A
ns
N/A
ns
V
0.55
V
mA
-33
mA
mA
38
mA
Edge Rate
Rising edge rate
1
4
V/ns
Edge Rate
Falling edge rate
1
4
V/ns
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t1
V_T = 1.5 V
Skew
t_sk1
V_T = 1.5 V
Jitter
t_jcyc-cyc
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
0.5
1.4
2
ns
0.5
1.4
2
ns
45
55
%
500
ps
250
ps
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at}
14.31818MHz or 25 MHz
Notes
1,2
2
2
2
2
1
1
1
1
1
1
1
1
1
Electrical Characteristics - REF-14.318/25 MHz
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBO
L
CONDITIONS
MIN TYP MAX UNITS Notes
Long Accuracy
ppm
see Tperiod min-max values -300
0
300 ppm 1
Clock period
T_period
14.318MHz output nominal 69.8270 69.8413 69.8550 ns 1,2
25.000MHz output nominal 39.9880 40.0000 40.0120 ns 1,2
Output High Voltage
V_OH
I_OH = -1 mA
2.4
V1
Output Low Voltage
V_OL
I_OL = 1 mA
0.4
V
1
Output High Current
I_OH
V_OH @MIN = 1.0 V,
V_OH@MAX = 3.135 V
-29
-23 mA 1
Output Low Current
I_OL
V_OL @MIN = 1.95 V,
V_OL @MAX = 0.4 V
29
27 mA 1
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
1
1.6
2
ns 1
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
1
1.6
2
ns 1
Duty Cycle
d_t1
V_T = 1.5 V
45
55
%
1
Jitter
t_jcyc-cyc
V_T = 1.5 V
1_{Guaranteed by design and characterization, not 100% tested in production.}
160 250 ps 1
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at}
14.31818 or 25.00 MHz
IDT^TM/ICS^TM Programmable FTG for Differential P4^TM CPU, PCI-Express & SATA Clocks
13
ICS9FG107 REV F 08/21/07