ICS9DB106 Datasheet, PDF (5/9 Pages) Integrated Circuit Systems – 6 Output PCI Express Buffer with CLKREQ Function

Integrated
Circuit
Systems, Inc.
ICS9DB106
Preliminary Product Preview
Electrical Characteristics - PCIEX 0.7V Current Mode Differential Outputs
T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L =2pF, R_S=33.2η , R_P=49.9η Ρ _REFηΡ 9,
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS NOTES
Current Source Output
Impedance
Zo¹
V_O = V_x
3000
η
1
Voltage High
Voltage Low
VHigh
VLow
Statistical measurement on
660
single ended signal using
oscilloscope math function.
-150
850
1,3
mV
150
1,3
Max Voltage
Min Voltage
Vovs
Vuds
Measurement on single ended
signal using absolute value.
-300
1150
mV
1,3
1,3
Crossing Voltage (abs) Vcross(abs)
250
550
mV
1,3
Crossing Voltage (var)
d-Vcross
Variation of crossing over all
edges
140
mV
1,3
Long Accuracy
ppm
see Tperiod min-max values
0
ppm
1,2
Average period
T_period
100.00MHz nominal
100.00MHz spread
9.9970
9.9970
10.0030 ns
2
10.0533 ns
2
Absolute min period
T_absmin
100.00MHz nominal/spread 9.8720
ns
1,2
Rise Time
t_r
V_OL = 0.175V, V_OH = 0.525V
175
700
ps
1
Fall Time
t_f
V_OH = 0.525V V_OL = 0.175V
175
700
ps
1
Rise Time Variation
d-t_r
125
ps
1
Fall Time Variation
d-t_f
125
ps
1
Input to Output Delay
Duty Cycle
t_pd
t_pdbyp
d_t3
PLL Mode.
100
Bypass mode
3.2
Measurement from differential
45
wavefrom
150
ps
1
3.7
ns
1
55
%
1
Output-to-Output Skew
t_sk3
V_T = 50%
PLL mode,
30
ps
1
Jitter, Cycle to cycle
t _{jc y c -c y c}
Measurement from differential
wavefrom
40
ps
1
BYPASS mode as additive jitter
25
ps
1
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that the input clock}
complies with CK409/CK410 accuracy requirements
3_{IREF = VDD/(3xRR). For RR = 475η (1%), IREF = 2.32mA. IOH = 6 x IREF and VOH = 0.7V @ ZO=50η .}
0833A—07/26/04
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