ICS9248-114 Datasheet, PDF (7/14 Pages) Integrated Circuit Systems – AMD - K7™ System Clock Chip

ICS9248-114
Electrical Characteristics - CPUCLK (Open Drain)
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%; C_L = 20 pF (unless otherwise stated).
PARAM ETER
SYM B OL
C ONDIT IONS
MIN TYP
Output Impedance
Z
1
O
V_O = V_X
Output High Voltage
V_{OH2 B}
Termination to V_{pull-up (external)}
1
Output Low Voltage
Output Low Current
Rise Time
Fall Time
Duty Cycle
Di ffe re n t i a l
Vo l t a g e -AC
V_{OL2 B}
I_{OL2 B}
t_r2
1
B
t_f2
1
B
d
t2
1
B
V_DIF1
Termination to V_{pull-up (external)}
V_OL = 0.3 V
18
V_OL = 0.3 V, V_OH = 1.2 V
1 .9 3
V_OH = 1.2 V, V_OL = 0.3 V
0 .8 1
V_T = V_X
45 49.3
Note 2
0.4 1.18
Di ffe re n t i a l
Vo l t a g e -DC
V_DIF1
Note 2
0 .2
Di ffe re n t i a l
Crossover Voltage
V_X1
Note 3
550 958
Skew
t_s
k
1
2B
V_T = 1.5 V
94
Jitter, Cycle-to-cycle
t_jcyc-cyc2
1
B
V_T = V_X
158
M AX
60
1 .2
0 .4
2 .6
2 .6
55
UNITS
Ω
V
V
mA
ns
ns
%
V_{pull-up (external)} + 0.6
V
V_{pull-up (external)} + 0.6
V
1100
mV
200
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 - Vpull-up(external) = 1.5V, M in = (V_{pull-up(external)}/2) - 150mV; M ax = (V_{pull-up(external)}/2) + 150mV
Electrical Characteristics - SDRAM
T_A = 0 - 70C; V_DD = 3.3V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
Propagation Time¹
(Buffer In to Output)
V_OH3
V_OL3
I_OH3
I_OL3
t_r3
t_f3
d_t3
t_sk3
Tprop
I_OH = -28 mA
I_OL = 20 mA
V_OH = 2.0 V
V_OL = 0.8 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
2.4
3
V
0.18 0.4
V
-110 -40
mA
41
86
mA
1.42
2
ns
1.78
2
ns
45 56.7 55
%
225 250
ps
3.41
ns
Third party brands and names are the property of their respective owners.
7