ICS9159-05 Datasheet, PDF (5/7 Pages) Integrated Circuit Systems – Frequency Generator for Pentium™/OPTi VIPER Systems

ICS9159-05
Electrical Characteristics at 3.3V
V_DD = 3.0 – 3.7 V, T_A = 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
Tjab1
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 @ V =1.4V
OUT
CPU & BUS Clocks; Load=20pF,
RS=33Ω
CPU & BUS Clocks; Load=20pF,
RS=33Ω
Fixed CLK; Load=20pF
MIN
TYP
-
0.9
-
0.8
-
1.5
-
1.4
45
50
-
40
-300
-
-
1
Jitter, Absolute¹
Tjab2 Fixed CLK; Load=20pF
-
2
Input Frequency¹
Fi
4.0
14.318
Logic Input Capacitance¹
CIN
Logic input pins
-
5
Crystal Oscillator Capacitance¹
CINX
X1, X2 pins
-
18
Clock Skew Window¹
Clock Skew Window¹
Clock Skew Window¹
Clock Skew Window¹
Tsk1
CPU to CPU; Load=20pF; @1.4V
Tsk
BUS to BUS;
Load=20pF @1.4V
Tsk3
ECPU to CPU;
Load=20pF; @1.4V
TSR4
CPU to BUS;
Load=20pF; @1.4v
-
150
-
300
3.0
-
0.5
1.0
Note 1: Parameter is guaranteed by design and characterization. Not 100% tested in production.
MAX
1.5
1.4
2.5
2.4
55
150
300
3
5
20.0
-
-
250
500
6.0
3.0
UNITS
ns
ns
ns
ns
%
ps
ps
%
%
MHz
pF
pF
ps
ps
ns
ns
5