ICS950104 Datasheet, PDF (13/19 Pages) Integrated Circuit Systems – Programmable System Clock Chip for PIII Processor

ICS950104
Advance Information
Electrical Characteristics - PCICLK
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; C_L = 10-30 pF (unless otherwise stated)
PAR AM ETER
SYM B OL
C ONDIT IONS
Output High Voltage
V_OH1
I_OH = -1 mA
Output Low Voltage
V_OL1
I_OL = 1 mA
Output High Current
I_OH1
VOH@ M IN = 1.0 V, VOH@ M AX = 3.135 V
Output Low Current
I_OL1
VOL@ M IN = 1.95 V, VOL@ M AX= 0.4
Rise Time
t_r11
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f11
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t11
V_T = 1.5 V
Skew
Jitter
t_sk11
t
j
cy
1
c-cyc
V_T = 1.5 V
V_T = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
M IN
2 .4
-3 3
30
0 .5
0 .5
45
TYP
M AX
0 .5 5
-3 3
38
2
2
55
175
500
UNITS
V
V
mA
mA
ns
ns
%
ps
ps
Electrical Characteristics - SDRAM
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Output High Voltage V_OH3 I_OH = -28 mA
2.4
Output Low Voltage
V_OL3 I_OL = 23 mA
Output High Current
I_OH3
V_OH = 2.0 V
Output Low Current
I_OL3
V_OL = 0.8 V
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Rise Time
T_r31
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
T_f31
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
D_t31
V_T = 1.5 V
45
Skew¹
Tsk1
VT = 1.5 V
Propagation Delay
Tprop VT = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
MAX UNITS
V
0.4 V
-54 mA
mA
2
ns
2
ns
55 %
250 ps
5
ns
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