ICS9248-98 Datasheet, PDF (12/15 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™

ICS9248-98
Electrical Characteristics - SDRAM
T_A = 0 - 70C; V_DD = 3.3V +/-5%, V_DDL = 2.5V +/-5%; C_L = 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew window¹
Propagation Time^{1 (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
2.4
3
V
0.18 0.4 V
-110 -40 mA
41
86
mA
1.13 2
ns
1.11 2
ns
45 53.1 55
%
215 250 ps
3.26
5
ns
1_{Guaranteed by design, not 100% tested in production.}
Electrical Characteristics - IOAPIC
T_A = 0 - 70C; V_DD=3.3V +/- 5%, V_DDL=2.5V +/- 5%; C_L = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output High Voltage
V_OH4B I_OH = -8 mA
2
Output Low Voltage
V_OL4B I_OL = 12 mA
Output High Current
I_OH4B
V_OH = 1.7 V
Output Low Current
I_OL4B
V_OL = 0.7 V
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Rise Time¹
t_r4B
V_OL = 0.4 V, V_OH = 2.0 V
Fall Time¹
t_f4B
V_OH = 2.0 V, V_OL = 0.4 V
Duty Cycle¹
d_t4B
V_T = 1.25 V
45
Jitter, Absolute¹
t_jabs4B
V_T = 1.25 V
-1
1_{Guaranteed by design, not 100% tested in production.}
TYP MAX UNITS
2.4
V
0.17 0.4
V
-58 -16 mA
46
mA
1.14 2
ns
1.07 2
ns
52.7 55
%
0.27 1
ps
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