ICS950805 Datasheet, PDF (8/20 Pages) Integrated Circuit Systems – Frequency Generator with 200MHz Differential CPU Clocks

ICS950805
Electrical Characteristics - CPU
T_A = 0 - 70C; VDD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER SYMBOL
CONDITIONS
MIN
Current Source
Output Impedance
Output High Voltage
Output Low Voltage
Zo¹
V_OH3
V_OL3
I_OH = -1 mA
I_OL = 1 mA
V_O = V_x
3000
2.4
Rise Time
t_r3
V_OL = 0.41V, V_OH = 0.86V
175
Fall Time
t_f3
V_OH = 0.86V V_OL = 0.41V
175
Duty Cycle
d_t3
measurement from differential wavefrom - ₄₅
0.35V to +035V
Skew
t_sk3
V_T = 50%
Jitter, Cycle to cycle tjcyc-cyc1 VT = 50%
1_{Guaranteed by design, not 100% tested in production.}
2 _{IOWT can be varied and is selectable thru the MULTSEL pin.}
TYP
240
242
51
50
76
MAX UNITS
W
V
0.4
700 ps
700 ps
55 %
100 ps
150 ps
Electrical Characteristics - PCICLK Buffered Mode
T_A = 0 - 70C; VDD=3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER SYMBOL
CONDITIONS
MIN
Output Frequency
F_O1
Output Impedance R_DSP11 V_O = V_DD*(0.5)
12
Output High Voltage V_OH1 I_OH = -1 mA
2.4
Output Low Voltage V_OL1 I_OL = 1 mA
Output High Current
Output Low Current
Rise Time
I_OH1 V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V -33
I_OL1 V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
30
t
1
r1
V_OL = 0.4 V, V_OH = 2.4 V
0.5
Fall Time
t
1
f1
V_OH = 2.4 V, V_OL = 0.4 V
0.5
Duty Cycle
d_t11 V_T = 1.5 V
45
Skew
Jitter,cycle to cyc
t_sk11 V_T = 1.5 V
t
1
jcyc-cyc
V_T = 1.5 V (Additive)
1_{Guaranteed by design, not 100% tested in production.}
TYP
33
1.29
1.32
51.9
209
60
MAX
55
0.55
-33
38
0.5to 2
0.5 to 2
55
500
100
UNITS
MHz
W
V
V
mA
mA
ns
ns
%
ps
ps
0649H—02/25/05
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