ICS9248-150 Datasheet, PDF (6/10 Pages) Integrated Circuit Systems – Frequency Generator for Multi - Processor Servers

ICS9248-150
Electrical Characteristics - CPU
TA = 0 - 70C; VDD=3.3V +/-5%; CL = 10-20 pF (unles s otherwis e s pecified)
PA RA M ETER
SYM BOL
CONDITIONS
Output Impedance
Output Impedance
RD
SP
2
1
B
RD
SN
2
1
B
VO = VDD*(0.5)
VO = VDD*(0.5)
Output High Voltage
VOH2B IOH = -1 mA
Output Low Voltage
Output High Current
Output Low Current
Ris e Time
Fall Time
VO L2B
IO
H
2
2
B
IO
L
2
2
B
tr2B1
t
f2
1
B
IOL = 1 mA
V OH@ MIN = 1.0 V, V OH@ MAX = 2.375 V
VOL @ MIN = 1.2 V, VOL @ MAX = 0.3 V
VOL = 20%, VOH = 80%
VOH = 80%, VOL = 20%
Diff. Cros s over Voltag
Duty Cycle
Skew CPUT0:7
Skew CPU C0:7
Jitter
Vx
d
t
2
1
B
t
s
k
2
1
B
t
s
k
2
1
B
t
jcy
c-cy
1
c
VDD = 3.3V
VT = 50%
VT = 50%
VT = 50%
VT = 50%
1_{Guaranteed by des ign, not 100% tes ted in production.}
2 _{IOWT can be varied and is s electable thru the M ULTSEL pin.}
M IN
2
-27
27
175
175
45
45
TYP M A X UNITS
714
Ω
714
Ω
V
0.4
V
-27 mA
30 mA
324 700 ps
501 700 ps
50
55
%
51.2 55
%
83.8 100 ps
78.5 100 ps
86
150 ps
Electrical Characteristics - REF
T_A = 0 - 70C; VDD=3.3V +/-5%; C_L = 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Output Frequency
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
Fall Time
Duty Cycle
Skew
Jitter
F_O1
R_DSP11
V_OH1
V_OL1
I_OH1
I_OL1
t_r11
t_f11
d_t11
t_sk11
t_jcyc-cyc1
V_O = V_DD*(0.5)
I_OH = -1 mA
I_OL = 1 mA
V _OH@MIN = 1.0 V, V _OH@MAX = 3.135 V
V_{OL @MIN} = 1.95 V, V_{OL @MAX} = 0.4 V
V_OL = 0.4 V, V_OH = 2.4 V
V_OH = 2.4 V, V_OL = 0.4 V
V_T = 1.5 V
V_T = 1.5 V
V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
MIN TYP MAX UNITS
MHz
20
48
60
Ω
2.4
V
0.4
V
-29
-23 mA
29
27 mA
1
1.6
4
ns
1
2.4
4
ns
45 53.5 55
%
N/A ps
305 1000 ps
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