954226 Datasheet, PDF (17/22 Pages) Integrated Device Technology – Programmable Timing Control HubTM for Mobile P4TM Systems

954226
Programmable Timing Control Hub^TM for Mobile P4^TM Systems
Electrical Characteristics - SATA/PCIEX/LCDCLK_SS@100M 0.7V Current Mode Differential Pair
PARAMETER
SYMBOL
CONDITIONS*
MIN TYP MAX UNITS Notes
Current Source Output
Impedance
Voltage High
Voltage Low
Max Voltage
Min Voltage
Crossing Voltage (abs)
Crossing Voltage (var)
Long Accuracy
Average period
Absolute min period
Rise Time
Fall Time
Rise Time Variation
Fall Time Variation
Rise/Fall Matching
Duty Cycle
Zo
VO = Vx
3000
VHigh
VLow
Vovs
Vuds
Vx(abs)
d-Vx
ppm
Tperiod
Tabsmin
tr
tf
d-tr
d-tf
trfm
Statistical measurement on single
ended signal
Measurement on single ended signal
using absolute value.
Variation of crossing over all edges
see Tperiod min-max values
100.00MHz nominal
100.00MHz spread
100.00MHz nominal/spread
VOL = 0.175V, VOH = 0.525V
VOH = 0.525V VOL = 0.175V
VOL = 0.175V, VOH = 0.525V
VOH = 0.525V VOL = 0.175V
660
-150
-300
250
-300
9.9970
9.9970
9.8720
175
175
dt3 Measurement from differential wavefrom 45
Ω
1
850
mV
1,3
150
mV
1,3
1150 mV
1
mV
1
550
mV
1
140
mV
1
300
ppm
1,2
10.0030 ns
2
10.0533 ns
2
ns
1,2
700
ps
1
700
ps
1
125
ps
1
125
ps
1
20
%
1
55
%
1
Skew
tsk3
VT = 50%
250
ps
1
Jitter, Cycle to cycle tjcyc-cyc Measurement from differential wavefrom
125
ps
1
*T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L =2pF, R_S=33.2Ω, R_P=49.9ΩΒI_REF = 475Ω
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.}
Electrical Characteristics - DOT_96MHz/LCDCLK_SS@96M 0.7V Current Mode Differential Pair
PARAMETER
SYMBOL
CONDITIONS*
MIN TYP MAX UNITS Notes
Current Source Output
Impedance
Voltage High
Voltage Low
Max Voltage
Min Voltage
Crossing Voltage (abs)
Crossing Voltage (var)
Long Accuracy
Average period
Absolute min period
Rise Time
Fall Time
Rise Time Variation
Fall Time Variation
Rise/Fall Matching
Duty Cycle
Zo
VO = Vx
3000
VHigh
VLow
Vovs
Vuds
Vx(abs)
d-Vcross
ppm
Tperiod
Tabsmin
tr
tf
d-tr
d-tf
trfm
Statistical measurement on single
ended signal
Measurement on single ended signal
using absolute value.
Variation of crossing over all edges
see Tperiod min-max values
96.00MHz nominal
96.00MHz nominal
VOL = 0.175V, VOH = 0.525V
VOH = 0.525V VOL = 0.175V
VOL = 0.175V, VOH = 0.525V
VOH = 0.525V VOL = 0.175V
660
-150
-300
250
-100
10.4135
10.1635
175
175
dt3 Measurement from differential wavefrom 45
Ω
1
850
mV
1,3
150
mV
1,3
1150 mV
1
mV
1
550
mV
1
140
mV
1
100
ppm
1,2
10.4198 ns
2
ns
1,2
700
ps
1
700
ps
1
125
ps
1
125
ps
1
20
%
1
55
%
1
Jitter, Cycle to cycle tjcyc-cyc Measurement from differential wavefrom
250
ps
*T_A = 0 - 70°C; V_DD = 3.3 V +/-5%; C_L =2pF, R_S=33.2Ω, R_P=49.9ΩΤI_REF = 475Ω
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.}
IDT^® Programmable Timing Control Hub^TM for Mobile P4^TM Systems
17
1
0930A—04/13/10