ICS9159-06 Datasheet, PDF (4/7 Pages) Integrated Circuit Systems – Frequency Generator and Buffer for Pentium Systems

ICS9159-06
Preliminary Product Preview
Electrical Characteristics at 3.3V
V_DD = 3.1 – 3.7 V, T_A = 0 – 70° C
AC Characteristics
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Rise Time¹
Tr1
20pF load, 0.8 to 2.0V, CPU & BUS
-
Fall Time¹
Tf1
20pF load, 2.0 to 0.8V, CPU & BUS
-
Rise Time¹
Tr2
20pF load, 20% to 80%, CPU & BUS
-
Fall Time¹
Tf2
20pF load, 80% to 20%, CPU & BUS
-
Duty Cycle¹
Jitter, One Sigma¹
Jitter, Absolute¹
Jitter, One Sigma¹
Jitter, Absolute¹
Input Frequency¹
Crystal Oscillator Capacitance¹
Power-on Time¹
Frequency Settling Time¹
Clock Skew Window¹
Clock Skew Window¹
Clock Skew Window¹
Dt
20pF load; @VOUT=1.4V
40
CPU; ECPU
Tj1s
Load=20pF;
-
FOUT >25 MHz
CPU; ECPU
Tjab
Load=20pF,
-350
FOUT >25 MHz
Tj1s
BUS(0:2); REF(0:3); CPU≥25 MHz;
Load=20pF; Comp. to the period
-
BUS(0:2); REF(0:3); CPU ≥ 25 MHz;
Tjab
Load=20pF;
-3.0
Comp. to the period
Fi
0.5 14.318 20 MHz Logic Input
Capacitance 1 CIN Logic input pins
-
CINX X1, X2 pins
-
ton
From VDD=1.6V to 1 st crossing of
66.6 MHz VDD supply ramp < 40ms
-
ts
From 1 st crossing of acquisition to
<1% settling
-
Tsk1
CPU to CPU;
Load=20pF; @1.4V
-
Tsk2
BUS to BUS and REF to REF;
Load=20pF; @1.4V
-
Tsk3
ECPU to CPU(0:2);
Load=20pF; @1.4V
3.0
TYP
MAX
0.9
1.5
0.8
1.4
1.5
2.5
1.4
2.4
50
60
60
150
-
350
0.7
2.0
-
3.0
5
-
18
-
2.5
4.5
2.0
4.0
150
250
300
500
5.0
6.0
Note 1: Parameter is guaranteed by design and characterization. Not 100% tested in production.
UNITS
ns
ns
ns
ns
%
ps
ps
%
%
pF
pF
ms
ms
ps
ps
ns
4