ICS9148-111 Datasheet, PDF (15/18 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUM/ProTM

ICS9148-111
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)
PARAMETER
SYMBOL
CONDITIONS
MIN
Output High Voltage
V_OH1 I_OH = -28 mA
2.4
Output Low Voltage
V_OL1
I_OL = 23 mA
Output High Current
I_OH1
V_OH = 2.0 V
Output Low Current
I_OL1
V_OL = 0.8 V
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Rise Time¹
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time¹
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle¹
d_t1
V_T = 1.5 V
45
Skew¹
t_sk1
V_T = 1.5 V
Jitter, Single Edge
Displacement2
tj_srd1 V_T = 1.5 V
1_{Guaranteed by design, not 100% tested in production.}
2_{Edge displacement of a period relative to a 10-clock-cycle rolling average period.}
TYP MAX UNITS
3
V
0.32 0.4 V
-60 -40 mA
54
mA
1.6
2
ns
1.3
2
ns
51
55
%
100 250 ps
220 500 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 TYP MAX UNITS
Output High Voltage
V_OH3 I_OH = -24 mA
Output Low Voltage
V_OL3
I_OL = 23 mA
Output High Current
I_OH3
V_OH = 2.0 V
Output Low Current
Rise Time
Fall Time
Duty Cycle
I_OL3
V_OL = 0.8 V
T_r31
V_OL = 0.4 V, V_OH = 2.4 V
T_f31
V_OH = 2.4 V, V_OL = 0.4 V
D_t31
V_T = 1.5 V
Skew¹
V_T = 1.5 V, Sdram 0,8,9,12 Window
T_sk1
V_T = 1.5 V, Sdram 2,4,5,6 Window
V_T = 1.5 V, Sdram 1,3,7,10,11 Window
Propagation Delay
T_prop
V_T = 1.5 V
1_{Guarenteed by design, not 100% tested in production.}
2.4 2.9
V
0.35 0.4
V
-68 -40 mA
41
53
mA
1.4
2
ns
1.4
2
ns
48
54
60
%
140
120 250 ps
140
3.5 4.5 ns
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