ICS9147-22 Integrated Circuit Systems, ICS9147-22 Datasheet - Page 6

• Manufacturer Part Number: ICS9147-22
• Description: Pentium/ProTM System Clock Chip
• Manufacturer: Integrated Circuit Systems

Rise Time
Rise Time
Fall Time
Rise Time
Fall Time
Rise Time
Fall Time
Rise Time
Rise Time
Fall Time
Rise Time
Fall Time
Duty Cycle
Jitter, Cycle to Cycle
Jitter, One Sigma
Jitter, Absolute
Jitter, One Sigma
Jitter, Absolute
Jitter, One Sigma
Jitter, Absolute
Jitter, One Sigma
Jitter, Absolute
Input Frequency
Logic Input Capacitance
Crystal Oscillator Capacitance
Power-on Time
Clock Skew
Clock Skew
Clock Skew
Clock Skew
Clock Skew
PARAMETER
1 ,3
1
1
1 ,3
1
1
1
1
1
1,3
1
1
1
1
1
1
1,2
1
1 ,
1
1
1
1
1
1
1
1
1
1
1
°
1
SYMBOL
Tj1s1a
Tjab1a
CINX
Tjab1
Tjab2
Tjab3
Tj1s1
Tj1s2
Tj1s3
Tjc-c
Tr1a
Tr1b
Tr4a
Tsk1
Tsk2
Tsk3
Tsk4
Tsk4
CIN
Tf1
Tf2
Tf3
Tf4
Tf5
Tr2
Tr3
Tr4
Tr5
ton
Dt
Fi
20pF load, 0.8 to 2.0V
CPU, 48MHz; VDD = 3.3V
20pF load, 0.8 to 2.0V
CPU; VDDL @ 2.5V
20pF load, 2.0 to 0.8V CPU, 48MHz;
30pF load SDRAM 0.8 to 2.0V
30pF load SDRAM 2.0 to 0.8V
30pF load PCI 0.8 to 2.0V
30pF load PCI 2.0 to 0.8V
20pF load, 0.8 to 2.0V
24MHz, REF1 & IOAPIC
20pF load, 0.8 to 2.0V , IOAPIC with
VDDL = 2.5V
20pF load, 2.0 to 0.8V
24MHz, REF1 & IOAPIC
Load = 45pF 0.8 to 2.0V REF0
VDD = 3.3V
Load = 45pF 2.0 to 0.8V, REF0
VDD = 3.3V
20pF load @ VOUT=1.4V
CPU, VDDL = 3.0 to 3.7V
CPU; Load=20pF,
SDRAM Load = 30pF
CPU; Load=20pF,
SDRAM Load = 30pF
CPU; Load=20pF VDDL=2.5V
CPU; Load=20pF VDDL=2.5V
PCI; Load=30pF
PCI; Load=30pF
REF1, 48/24MHz Load=20pF,
REF0 CL = 45pF
REF1, 48/24MHz Load=20pF,
REF0 CL = 45pF
Logic input pins
X1, X2 pins
From VDD=1.6V to 1st crossing of
66.6 MHz VDD supply ramp < 40ms
CPU to CPU; Load=20pF; @1.4V
(Same VDD)
SDRAM to SDRAM;
Load=30pF @ 1.4V
PCI to PCI; Load=30pF; @1.4V
CPU(20pF) to PCI (30pF); @1.4V
(CPU is early)
SDRAM (30pF @3.3V) to CPU
(20pF @2.5V) (2.5V CPU is late)
AC Characteristics
TEST CONDITIONS
MIN
-500
-500
12.0
-250
45
-5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
-
14.318
TYP
0.83
0.81
200
100
150
150
250
0.9
1.5
0.8
1.0
0.9
1.2
1.1
2.2
1.6
1.6
2.5
300
50
50
80
18
2.6
2
5
-
-
1
-
MAX
16.0
300
150
200
500
150
500
250
250
400
1.5
2.0
1.4
1.6
1.5
2.0
1.9
1.4
2.6
1.3
2.0
2.0
250
4.5
500
55
5
-
-
3
4
UNITS
MHz
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
%
ps
ps
ps
ps
ps
%
ms
ps
ps
ps
ps
ns
ns
ns
ns
ps
ps
%
ns