ICS9248-126 Datasheet, PDF (9/12 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for Celeron & PII/III™ & K6

ICS9248-126
Electrical Characteristics - PCI
T_A = 0 - 70C; V_DD = 3.3 V +/-5%; V_DDL = 2.5 V +/-5%; C_L = 30 pF
PARAMETER
SYMBOL
CONDITIONS
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time¹
Fall Time¹
Duty Cycle¹
Skew¹
Jitter, Cycle-to-cycle
R_DSP11
R_DSP11
V_OH2
V_OL2
I_OH2
I_OL2
t_r2
t_f2
d_t2
t_sk2
t_jcyc2
V_O=V_DD*(0.5)
V_O=V_DD*(0.5)
I_OH = -18 mA
I_OL = 9.4 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
12
21
55
Ω
12
21
55
Ω
2.4 3.3
V
0.17 0.4 V
-62 -33 mA
38
43
mA
1.62 2.2 ns
1.81 2.2 ns
45 49.8 55
%
200 500 ps
-350 306 350 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 Impedance
R_DSP2A1 V_O=V_DD*(0.5)
10
Output Impedance
R_DSN2A1 V_O=V_DD*(0.5)
10
Output High Voltage
V_OH3 I_OH = -25 mA
2.4
Output Low Voltage
V_OL3
I_OL = 20 mA
Output High Current
I_OH3
V_OH = 2.0 V
Output Low Current
I_OL3
V_OL = 0.8 V
41
Rise Time
T_r31
V_OL = 0.4 V, V_OH = 2.4 V
0.4
Fall Time
T_f31
V_OH = 2.4 V, V_OL = 0.4 V
0.4
Duty Cycle
D_t31
V_T = 1.5 V
47
Skew^{1(0-1,2,4,5,7,10,11)}
T_sk1
V_T = 1.5 V
Skew^{1(0-6,6,8,9,12,13)}
T_sk1
V_T = 1.5 V
Jitter, Cycle-to-cycle
t_jcyc
V_T = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
TYP
17
18
2.9
0.32
-73
50
1.14
1.38
51.8
155.5
298.5
369.17
MAX
20
20
UNITS
Ω
Ω
V
0.4
V
-40 mA
mA
2
ns
2
ns
57
%
250 ps
500 ps
650 ps
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