ICS954204 Datasheet, PDF (10/16 Pages) Integrated Circuit Systems – Programmable Timing Control HubTM for Mobile P4TM Systems

Integrated
Circuit
Systems, Inc.
ICS954204
Electrical Characteristics - DOT, 96MHz 0.7V Current Mode Differential Pair
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L =2pF, R_S=33.2Ω, R_P=49.9Ω, Ι_REF = 475Ω
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
Current Source Output
Impedance
Zo¹
V_O = V_x
3000
Voltage High
VHigh Statistical measurement on single 660
790
850
Voltage Low
VLow
ended signal using oscilloscope
-150
0
150
Max Voltage
Vovs
Measurement on single ended
810
1150
Min Voltage
Vuds
signal using absolute value.
-300
0
Crossing Voltage (abs) Vcross(abs)
250
400
550
Crossing Voltage (var)
d-Vcross
Variation of crossing over all
edges
10
140
Long Accuracy
ppm
see T_period min-max values
-100
100
Average period
T_period
96.00MHz
10.4135
10.4198
Absolute min/max period
T_abs
96.00MHz
10.1635
10.6698
Rise Time
t_r
V_OL = 0.175V, V_OH = 0.525V
175
250
700
Fall Time
t_f
V_OH = 0.525V, V_OL = 0.175V
175
240
700
Rise Time Variation
d-t_r
15
125
Fall Time Variation
d-t_f
30
125
Duty Cycle
d_t3
Measurement from differential
wavefrom
45
50
55
Jitter, Cycle to cycle
t_jcyc-cyc
Measurement from differential
wavefrom
90
250
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz}
3_{IREF = VDD/(3xRR). For RR = 475Ω (1%), IREF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50Ω.}
UNITS
Ω
mV
mV
mV
mV
ppm
ns
ns
ps
ps
ps
ps
%
ps
Notes
1
1,3
1,3
1
1
1
1
1,2
2
1,2
1
1
1
1
1
1
Electrical Characteristics - REF-14.318MHz
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Long Accuracy
ppm
see Tperiod min-max values
Clock period
T_period
14.318MHz output nominal
Output High Voltage
V_OH
I_OH = -1 mA
Output Low Voltage
V_OL
I_OL = 1 mA
Output High Current
I_OH
V_OH = 1.0 V
V_OH = 3.135 V
MIN
-300
69.8270
2.4
-33
TYP
MAX
300
69.8550
0.4
-33
Output Low Current
I_OL
V_OL = 1.95 V
30
V_OL = 0.4 V
38
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
0.5
1
2
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
0.5
1
2
Duty Cycle
d_t1
V_T = 1.5 V
45
53
55
Jitter
t_jcyc-cyc
V_T = 1.5 V
750
1000
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz}
UNITS
ppm
ns
V
V
mA
mA
mA
ns
ns
%
ps
Notes
1
1
1
1
1
1
1
1
1,2
1,2
1
0933D—03/16/05
10