ICS9147-09 Integrated Circuit Systems, ICS9147-09 Datasheet - Page 5

• Manufacturer Part Number: ICS9147-09
• Description: Frequency Generator & Integrated Buffers
• Manufacturer: Integrated Circuit Systems

Rise Time
Fall Time
Rise Time
Fall Time
Rise Time
Fall Time
Duty Cycle
Duty Cycle
Jitter, One Sigma
Jitter, Absolute
Jitter, One Sigma
Jitter, Absolute
Jitter, Cycle to Cycle
Jitter, Cycle to Cycle
Input Frequency
Ratio of nominal to output
frequency
Logic Input Capacitance
Crystal Oscillator Capacitance
Power-on Time
Clock Skew Window
Clock Skew Window
Clock Skew Window
Clock Skew Window
Clock Skew Window
PARAMETER
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1, 2
SYMBOL
CINX
Tjab1
Tjab2
Fout1
Tjis1
Tjis2
Tcc1
Tcc2
Tsk1
Tsk2
Tsk3
Tsk4
Tsk5
DT2
CIN
Tr1
Tf1
Tr3
Tf3
Tr4
Tf4
ton
Dt
Fi
20pF load, 0.8 to 2.0V
CPU, SDRAM, BUS & REF
20pF load, 2.0 to 0.8V
CPU, SDRAM, BUS & REF
20pF load, 0.8 to 2.0V
fixed 20 & 48 clocks
20pF load, 2.0 to 0.8V
fixed 20 & 48 clocks
20pF load, 0.4 to 2.0V , CPUL with
VDDL = 2.5V
20pF load, 2.0 to 0.4V, CPUL with
VDDL = 2.5V
20pF load @ VOUT=1.4V
All clocks except 48MHz and REF
20pF load @ VOUT=1.4V
48MHz and REF outputs
CPU & BUS Clocks; Load=20pF,
SDRAM; Load = 30pF, VDDL = 3.3
or 2.5V
FOUT=25 MHz, BSEL=1
CPU & BUS Clocks; Load=20pF,
SDRAM; Load = 30pF, VDDL = 3.3
or 2.5V
FOUT 25 MHz, BSEL=1
Fixed CLK; Load=20pF
CPU Clocks, Load=20pF BSEL=1
VDDL=2.5V
With input driven at 14.31818MHz to
20.0, 48.0MHz
X1, X2 pins
From VDD=1.6V to 1st crossing of
66.6 MHz VDD supply ramp < 40ms
CPU to CPU or SDRAM;
Load=20pF; @1.4V
(Same VDD)
BUS to BUS, SDRAM to SDRAM;
Load=20pF; @1.4V
CPU to BUS; Load=20pF; @1.4V
(CPU is early)
CPUL to BUS, VDDL=2.5V
Vth=1.25, CPUL (BUS Vth=1.4V)
SDRAM, CPUH (@3.3V, Vth=1.4V)
to CPUL (@2.5V Vth=1.25V)
Load=20pF
(2.5V CPUL is late)
CPU Clocks, Load=20pF BSEL=1
Logic input pins
Fixed CLK; Load=20pF
AC Characteristics
TEST CONDITIONS
MIN
12.0
0.50
-250
100
47
40
1.6
-5
-1
2
-
-
-
-
-
-
-
-
-
-
-
-
14.318
TYP
1.50
-0.1
150
600
0.9
0.8
0.9
1.1
2.0
1.6
2.5
300
52
50
50
2.1
2
5
4
-
-
1
-
MAX
16.0
150
250
350
250
850
1.5
1.4
1.5
1.5
2.5
2.5
250
4.5
500
3.0
+1
57
60
4.6
5
6
-
3
UNITS
MHz
ppm
pF
pF
ns
%
%
%
ps
ps
ms
ps
ns
ps
ns
ns
ns
ns
ns
ps
ps
ps
ns
%