ICS952906A Datasheet, PDF (18/23 Pages) Integrated Circuit Systems – Programmable Timing Control Hub for Next Gen P4™ processor

Integrated
Circuit
Systems, Inc.
ICS952906A
Electrical Characteristics - 3V66
T_A = 0 - 70°C; V_DD = 3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
Long Accuracy
ppm
see Tperiod min-max values
Output High Voltage
V_OH
I_OH = -1 mA
Output Low Voltage
V_OL
I_OL = 1 mA
Output High Current
I_OH
V _OH@MIN = 1.0 V
V_OH@MAX = 3.135 V
Output Low Current
I_OL
Edge Rate
V_{OL @MIN} = 1.95 V
V_OL@MAX = 0.4 V
Rising edge rate
Edge Rate
Falling edge rate
Rise Time
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
Fall Time
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
Duty Cycle
d_t1
V_T = 1.5 V
MIN
-300
2.4
-33
30
1
1
0.5
0.5
45
TYP MAX
300
0.55
-33
38
4
4
2
2
55
UNITS
ppm
V
V
mA
mA
mA
mA
V/ns
V/ns
ns
ns
%
Skew
t_sk1
V_T = 1.5 V
250
ps
Jitter
t_jcyc-cyc
V_T = 1.5 V 3V66
250
ps
1_{Guaranteed by design, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is}
at 14.31818MHz
Notes
1,2
1
1
1
1
1
1
1
Electrical Characteristics - PCICLK
T_A = 0 - 70°C; V_DD = 3.3V +/-5%; C_L = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS Notes
Long Accuracy
ppm
see Tperiod min-max values
-300
300
ppm 1,2
Output High Voltage
V_OH
I_OH = -1 mA
2.4
V
Output Low Voltage
V_OL
I_OL = 1 mA
0.55
V
Output High Current
I_OH
V _OH@MIN = 1.0 V
V_OH@MAX = 3.135 V
-33
mA
-33
mA
Output Low Current
I_OL
V_OL@MIN = 1.95 V
30
V_OL@MAX = 0.4 V
mA
38
mA
Edge Rate
Rising edge rate
1
4
V/ns
1
Edge Rate
Falling edge rate
1
4
V/ns
1
Rise Time
Fall Time
Duty Cycle
t_r1
V_OL = 0.4 V, V_OH = 2.4 V
0.5
t_f1
V_OH = 2.4 V, V_OL = 0.4 V
0.5
d_t1
V_T = 1.5 V
45
2
ns
1
2
ns
1
55
%
1
Skew
t_sk1
V_T = 1.5 V
500
ps
1
Jitter
t_jcyc-cyc
V_T = 1.5 V 3V66
250
ps
1
1_{Guaranteed by design, not 100% tested in production.}
2 _{All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref}
output is at 14.31818MHz
1236A—08/06/07
18