ICS9148-47 Datasheet, PDF (6/9 Pages) Integrated Circuit Systems – Pentium/ProTM System Clock Chip

ICS9148-47
Electrical Characteristics - Input/Supply/Common Output Parameters
TA = 0 - 70C; Supply Voltage VDD = 3.3 V+/-5%, VDDL = 2.5 V+/-5% (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Operating
IDD2.5OP66 CL = 0 pF; Select @ 66.8 MHz
16 72
mA
Supply Current
IDD2.5OP100 CL = 0 pF; Select @ 100 MHz
23 100
mA
Power Down Supply
Current
I_DD2.5PD
C_L = 0 pF; With input address to Vdd
or GND
10 100
µA
Skew¹
tCPU-AGP
tCPU-PCI2
VT = 1.5 V; VTL = 1.25 V
0
0.5
1
ns
1
2.6
4
ns
1_{Guaranteed by design, not 100% tested in production.}
Electrical Characteristics - CPUCLK
T_A = 0 - 70C; V_DD = 3.3 V +/-5%, V_DDL = 2.5 V +/-5%; C_L = 20 pF (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Output High Voltage V_OH2B I_OH = -12.0 mA
Output Low Voltage V_OL2B I_OL = 12 mA
Output High Current
I_OH2B V_OH = 1.7 V
Output Low Current
I_OL2B V_OL = 0.7 V
Rise Time
t_r2B1
V_OL = 0.4 V, V_OH = 2.0 V
Fall Time
t_f2B1
V_OH = 2.0 V, V_OL = 0.4 V
Duty Cycle
d
1
t2B
V_T = 1.25 V
Skew
t_sk
1
2B
V_T = 1.25 V
Jitter, Cycle-to-cycle
t_jcy
1
c-cyc2B
V_T = 1.25 V
Jitter, One Sigma
Jitter, Absolute
t_j1s2B1
t_jabs2B1
V_T = 1.25 V
V_T = 1.25 V
1_{Guaranteed by design, not 100% tested in production.}
2
2.3
V
0.2 0.4 V
-41 -19 mA
19 37
mA
1.25 1.6 ns
1
1.6 ns
45 48 55 %
30 175 ps
150 250 ps
40 150 ps
-250 140 +250 ps
6