953002CFLF Datasheet, PDF (32/35 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for Next Gen P4 processor

Integrated
Circuit
Systems, Inc.
ICS953002
Electrical Characteristics - 48MHz/USB48MHz/24_48MHz
PARAMETER
Long Accuracy
Clock period
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Edge Rate
SYMBOL
ppm
T_period
R_DSP
V_OH
V_OL
I_OH
I_OL
t_slewr/f
CONDITIONS*
see Tperiod min-max values
48.00MHz output nominal
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V _OH @MIN = 1.0 V
V_OH@MAX = 3.135 V
V_OL @ MIN = 1.95 V
V_OL @ MAX = 0.4 V
Rising/Falling edge rate
MIN
-100
20.8313
12
2.4
-33
30
1
TYP
MAX
100
20.8354
55
0.55
-33
38
4
Edge Rate
t_{slewr/f_USB} USB48 Rising/Falling edge rate
1
2
Rise Time
t_r
V_OL = 0.4 V, V_OH = 2.4 V
0.5
2
Fall Time
t_f
V_OH = 2.4 V, V_OL = 0.4 V
0.5
2
Rise Time
t_{r_USB}
V_OL = 0.4 V, V_OH = 2.4 V
1
2
Fall Time
t_{f_USB}
V_OH = 2.4 V, V_OL = 0.4 V
1
2
Duty Cycle
d_t1
V_T = 1.5 V
45
55
Group Skew
t_skew
V_T = 1.5 V
250
Jitter, Cycle to cycle
t_jcyc-cyc
V_T = 1.5 V
500
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 20 pF with Rs = 7Ω (Rs is used in USB48MHz test only)
1_{Guaranteed by design and characterization, not 100% tested in production.}
UNITS
ppm
ns
Ω
V
V
mA
mA
mA
mA
V/ns
V/ns
ns
ns
ns
ns
%
ps
ps
NOTES
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Electrical Characteristics - AGPCLK/3V66
PARAMETER
SYMBOL
CONDITIONS*
MIN
Output Impedance
R_DSP
V_O = V_DD*(0.5)
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
Rise Time
t_r
V_OL = 0.4 V, V_OH = 2.4 V
0.5
Fall Time
t_f
V_OH = 2.4 V, V_OL = 0.4 V
0.5
Duty Cycle
d_t1
V_T = 1.5 V
45
Group Skew
t_skew
V_T = 1.5 V
Jitter, Cycle to cycle
t_jcyc-cyc
V_T = 1.5 V
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 10-30 pF (unless otherwise specified)
1_{Guaranteed by design and characterization, not 100% tested in production.}
TYP
MAX
55
0.55
-33
38
2
2
55
150
250
UNITS
Ω
V
V
mA
mA
mA
mA
ns
ns
%
ps
ps
NOTES
1
1
1
1
1
1
1
1
1
1
1
1
0924—11/18/09
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