ICS9248-92 Datasheet, PDF (12/14 Pages) Integrated Circuit Systems – Mobile Pentium IITM System Clock Chip

ICS9248-92
Electrical Characteristics - PCICLK
T_A = 0 - 70º C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 30 pF (unless otherwise stated)
PA RA M ETER
SYM BOL
CONDITIONS
M IN TYP
Output High Voltage
VO H 1
IOH = -18 mA
2.1
3.3
Output Low Voltage
VO L1
IOL = 9.4 mA
0.17
Output High Current
IO H 1
VOH = 2.0 V
Output Low Current
Ris e Time¹
Fall Time¹
Duty Cycle¹
Skew¹
Jitter, A bs olute¹
Jitter, Cycle-to-cycle¹
IO L1
tr1
tf1
dt1
tsk1
tjabs1
t_jcyc-cyc1
VOL = 0.8 V
VOL = 0.4 V, VOH = 2.4 V
VOH = 2.4 V, VOL = 0.4 V
VT = 1.5 V
VT = 1.5 V
VT = 1.5 V
V_T = 1.5 V
30
0.5
1.6
0.5
1.8
45
50
222
-250
227
1_{Guaranteed by des ign, not 100% tes ted in production.}
MAX
0.4
-24
UNITS
V
V
mA
mA
2
ns
2
ns
55
%
500
ps
250
ps
500 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
Output High Voltage
V_OH1
I_OH = -28 mA
2.2
Output Low Voltage
V_OL1
I_OL = 19 mA
Output High Current
I_OH1
V_OH = 2.0 V
Output Low Current
I_OL1
V_OL = 0.8 V
54
Rise Time¹
t_r1
V_OL = 0.8 V, V_OH = 2.4 V
0.5
Fall Time¹
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
0.5
Duty Cycle¹
d_t1
V_T = 1.5 V
45
Skew¹
t_sk1
V_T = 1.5 V
Propagation Delay¹
t_p1
V_T = 1.5 V
1
1_{Guaranteed by design, not 100% tested in production.}
TYP MAX UNITS
3.18
V
0.35 0.4
V
-74 -46 mA
mA
1.54 1.6
ns
1.51 1.6
ns
51
55
%
200 250 ps
3.5
5
ns
12