ICS932S805C Datasheet, PDF (14/19 Pages) Integrated Device Technology – K8 Clock Chip for Serverworks HT2100 Servers

ICS932S805C
K8 Clock Chip for Serverworks HT2100 Servers
Electrical Characteristics - SRC 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 UNITS NOTES
Current Source Output
Impedance
Zo
V_O = V_x
3000
Ω
1
Voltage High
VHigh
Statistical measurement on single
660
850
1,3
Voltage Low
VLow
ended signal using oscilloscope math
function.
-150
150
mV
1,3
Max Voltage
Min Voltage
Vovs
Vuds
Measurement on single ended signal
using absolute value.
-300
1150 _mV
1
1
Crossing Voltage (abs) Vcross(abs)
250
350
550 mV
1
Crossing Voltage (var) d-Vcross Variation of crossing over all edges
12
140 mV
1
Long Accuracy
ppm
see Tperiod min-max values
-300
300 ppm 1,2
75.00 MHz nominal
8.5684 8.5714 8.5744 ns
2
75.00 MHz spread
8.5684
8.6244 ns
2
100.00 MHz nominal
9.9970 10.0000 10.0030 ns
2
Average period
Tperiod
100.00 MHz spread
116.67 MHz nominal
9.9970
10.0530 ns
2
13.3303 13.3333 13.3363 ns
2
116.67 MHz spread
13.3303
13.3863 ns
2
133.33 MHz nominal
7.4972 7.5002 7.5032 ns
2
133.33 MHz spread
7.4972
7.5532 ns
2
Absolute min period
Tabsmin
@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
30
125
ps
1
Fall Time Variation
d-t_f
Duty Cycle
d_t3
Measurement from differential
wavefrom
30
125
ps
1
45
55
%
1
Group Skew
t_src-skew
Measurement from differential
wavefrom
250
ps
Jitter, Cycle to cycle
t_jcyc-cyc
Measurement from differential
wavefrom
125
ps
1
1_{Guaranteed by design and characterization, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REF 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^® K8 Clock Chip for Serverworks HT2100 Servers
14
1131D – 05/04/10