ICS9E4101 Datasheet, PDF (13/19 Pages) Integrated Device Technology – Programmable Timing Control HubTM for Intel Systems

ICS9E4101
Programmable Timing Control Hub^TM for Intel Systems
Electrical Characteristics - CPU 0.7V Current Mode Differential Pair
T_A = -40 to 85°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
Current Source Output
Impedance
Zo
V_O = V_x
3000
Voltage High
Voltage Low
VHigh
VLow
Statistical measurement on single
ended signal using oscilloscope
math function.
660
-150
Max Voltage
Min Voltage
Crossing Voltage (abs)
Vovs
Vuds
Vcross(abs)
Measurement on single ended
signal using absolute value.
-300
250
TYP MAX
850
150
1150
550
UNITS
Ω
mV
mV
mV
Crossing Voltage (var)
d-Vcross Variation of crossing over all edges
140
mV
Long Accuracy
Average period
Absolute min period
Rise Time
Fall Time
Rise Time Variation
Fall Time Variation
Duty Cycle
Skew
ppm
Tperiod
T_absmin
t_r
t_f
d-t_r
d-t_f
d_t3
t_sk3
see Tperiod min-max values
400MHz nominal
400MHz spread
333.33MHz nominal
333.33MHz spread
266.66MHz nominal
266.66MHz spread
200MHz nominal
200MHz spread
166.66MHz nominal
166.66MHz spread
133.33MHz nominal
133.33MHz spread
100.00MHz nominal
100.00MHz spread
400MHz nominal/spread
333.33MHz nominal/spread
266.66MHz nominal/spread
200MHz nominal/spread
166.66MHz nominal/spread
133.33MHz nominal/spread
100.00MHz nominal/spread
V_OL = 0.175V, V_OH = 0.525V
V_OH = 0.525V V_OL = 0.175V
-300
2.4993
2.4993
2.9991
2.9991
3.7489
3.7489
4.9985
4.9985
5.9982
5.9982
7.4978
7.4978
9.9970
9.9970
2.4143
2.9141
3.6639
4.8735
5.8732
7.3728
9.8720
175
175
Measurement from differential
wavefrom
45
CPU (1:0) V_T = 50%
300
ppm
2.5008
ns
2.5133
ns
3.0009
ns
3.016
ns
3.7511
ns
3.77
ns
5.0015
ns
5.0266
ns
6.0018
ns
6.0320
ns
7.5023
ns
5.4000
ns
10.0030 ns
10.0533 ns
ns
ns
ns
ns
ns
ns
ns
700
ps
700
ps
125
ps
125
ps
55
%
100
ps
Skew
t_sk4
CPU (1:0) to CPU_ITP, V_T = 50%
150
ps
Jitter, Cycle to cycle
t_jcyc-cyc
Measurement from differential
wavefrom
85
ps
1_{Guaranteed by design, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFoutput is at 14.31818MHz}
NOTES
1
1
1
1
1
1
1
1,2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
1,2
1,2
1,2
1,2
1,2
1,2
1,2
1
1
1
1
1
1
1
1
IDT^TM Programmable Timing Control Hub^TM for Intel Systems
13
1408A—01/25/10