ICS9248-171 Datasheet, PDF (7/15 Pages) Integrated Circuit Systems – AMD - K7TM System Clock Chip

ICS9248-171
Advance Information
Electrical Characteristics - CPUCLK (Open Drain)
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%; C_L = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Impedance
Z_O
V_O = V_X
Termination to
Output High Voltage
V_OH2B
V_{pull-up(external)}
1
Output Low Voltage
V_OL2B
Termination to
V_{pull-up(external)}
Output Low Current
I_OL2B
V_OL = 0.3 V
18
Ω
1.2
V
0.4
V
mA
Rise Time¹
t_r2B
V_OL = 0.3 V, V_OH = 1.2 V
0.9
ns
Fall Time¹
t_f2B
V_OH = 1.2 V, V_OL = 0.3 V
0.9
ns
Differential voltage-AC¹
V_DIF
Note 2
0.4
V_{pullup(external)}
V
+ 0.6
Differential voltage-DC¹
V_DIF
Note 2
0.2
V_{pullup(external)}
V
+ 0.6
Differential Crossover
Voltage¹
V_X
Note 3
550
1100
mV
Duty Cycle¹
Skew¹
Jitter, Cycle-to-cycle¹
Jitter, Absolute¹
d_t2B
t_sk2B
t_jcyc-cyc2B
t_jabs2B
V_T = 50%
VT = 50%
V_T = V_X
VT = 50%
45
-250
55
%
250
ps
250
ps
+250
ps
Notes:
1 - Guaranteed by design, not 100% tested in production.
2 - V_DIF specifies the minimum input differential voltages (V_TR-V_CP) required for switching, where V_TR is the "true"
input level and V_CP is the "complement" input level.
3 - Vpullup_(external) = 1.5V, Min = Vpullup_(external)/2-150mV; Max=(Vpullup_(external)/2)+150mV
Third party brands and names are the property of their respective owners.
7