ICS9169C-232 Datasheet, PDF (7/8 Pages) Integrated Circuit Systems – Frequency Generator for Pentium™ Based Systems

ICS169C-232
Electrical Characteristics at 3.3V
VDD = 3.0 – 3.7 V, TA = 0 – 70° C unless otherwise stated
AC Characteristics
PARAMETER
Rise Time¹
Fall Time¹
Rise Time¹
Fall Time¹
Duty Cycle¹
Jitter, One Sigma¹
Jitter, Absolute¹
Jitter, One Sigma¹
SYMBOL
Tr1
Tf1
Tr2
Tf2
Dt
Tj1s1
T jab1
Tj1s2
TEST CONDITIONS
20pF load, 0.8 to 2.0V
CPU & BUS
20pF load, 2.0 to 0.8V
CPU & BUS
20pF load, 20% to 80%
CPU & BUS
20pF load, 80% to 20%
CPU & BUS
20pF load @ VOUT=1.4V
CPU & BUS Clocks; Load=20pF,
BSEL=1
CPU & BUS Clocks; Load=20pF,
BSEL=1
REF & Fixed CLKs; Load=20pF
MIN
TYP
-
0.9
-
0.8
-
1.5
-
1.4
45
50
-
50
-250
-
-
1
Jitter, Absolute¹
Tjab2 REF & Fixed CLKs; Load=20pF
-5
2
Input Frequency¹
Fi
12.0 14.318
Logic Input Capacitance¹
CIN
Logic input pins
-
5
Crystal Oscillator Capacitance¹
CINX X1, X2 pins
-
18
Power-on Time¹
Frequency Settling Time¹
ton
From VDD=1.6V to 1st crossing of
66.6 MHz VDD supply ramp < 40ms
-
2.5
ts
From 1st crossing of acquisition to <
1% settling
-
2.0
Clock Skew¹
Tsk1
CPU to CPU; Load=20pF; @1.4V
-
150
Clock Skew¹
Clock Skew¹
Tsk2
BUS & BUS; Load=20pF; @1.4V
Tsk3
CPU to BUS; Load=20pF; @1.4V
(CPU is early)
-
160
1
2.6
Note 1: Parameter is guaranteed by design and characterization. Not 100% tested in production.
MAX
1.5
1.4
2.5
2.4
60
150
250
3
5
16.0
-
-
4.5
4.0
250
500
4
UNITS
ns
ns
ns
ns
%
ps
ps
%
%
MHz
pF
pF
ms
ms
ps
ps
ns
7