ICS9147-01 Datasheet, PDF (7/11 Pages) Integrated Circuit Systems – Frequency Generator & Integrated Buffers for PENTIUMTM

ICS9147- 01
Electrical Characteristics at 3.3V
V_DD = 3.0 – 3.7 V, T_A = 0 – 70° C unless otherwise stated
PARAMETER
Rise Time¹
Rise Time¹
Fall Time^1,3
Rise Time¹
Fall Time¹
Rise Time¹
Fall Time¹
Rise Time^1,3
Rise Time¹
Fall Time^1,3
Rise Time¹
Fall Time¹
Duty Cycle¹
Jitter, Cycle to Cycle¹
Jitter, One Sigma^{1, 2}
Jitter, Absolute^{1, 2}
Jitter, One Sigma¹
Jitter, Absolute¹
Input Frequency¹
Logic Input Capacitance¹
Crystal Oscillator Capacitance¹
Power-on Time¹
Clock Skew¹
Clock Skew¹
Clock Skew^1,2
Clock Skew¹
SYMBOL
Tr1a
Tr1b
Tf1
Tr2
Tf2
Tr3
Tf3
Tr4
Tr4a
Tf4
Tr5
Tf5
Dt
Tjc-c
Tj1s1
Tjab1
Tj1s2
Tjab2
Fi
CIN
CINX
ton
Tsk1
Tsk2
Tsk3
Tsk4
AC Characteristics
TEST CONDITIONS
20pF load, 0.8 to 2.0V
CPU; VDD = 3.3V
20pF load, 0.8 to 2.0V
CPU; VDDL @ 2.5V
20pF load, 2.0 to 0.8V CPU;
30pF load SDRAM 0.8 to 2.0V
30pF load SDRAM 2.0 to 0.8V
30pF load BUS 0.8 to 2.0V
30pF load BUS 2.0 to 0.8V
20pF load, 0.8 to 2.0V
24, 48, REF2, & IOAPIC
45pF load, 0.8 to 2.0V , IOAPIC with
VDDL = 2.5V
20pF load, 2.0 to 0.8V
24, 48, REF2, & IOAPIC
Load = 45pF 0.8 to 2.0V IOAPIC
VDD = 3.3V
Load = 45pF 2.0 to 0.8V, REF1
VDD = 3.3V
20pF load @ VOUT=1.4V
CPU, VDD2 = 3.0 to 3.7V
CPU; Load=20pF,
SDRAM & BUS Clocks Load = 30pF
CPU; Load=20pF,
SDRAM & BUS Clocks Load = 30p
REF2, 48/24MHz Load=20pF,
REF1 CL = 47pF
REF2, 48/24MHz Load=20pF,
REF1 CL = 47pF
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)
BUS to BUS; Load=20pF; @1.4V
CPU to BUS; Load=20pF; @1.4V
(CPU is early)
SDRAM (@3.3V) to CPU (@2.5V)
(2.5V CPU is late)
MIN
-
-
-
-
-
-
-
-
-
-
45
-
-250
-
-5
12.0
-
-
-
-
-
1
Note 1: Parameter is guaranteed by design and characterization. Not 100% tested in production.
Note 2: Includes VDD2 = 2.5V
Note 3: VDD3 = 3.3V
TYP
0.9
1.5
0.8
1.0
0.9
1.2
1.1
0.83
2.2
0.81
1.6
1.6
50
150
50
-
1
2
14.318
5
18
2.5
150
300
2.6
250
MAX
1.5
2.0
1.4
1.6
1.5
2.0
1.9
1.4
2.6
1.3
2.0
2.0
55
250
150
250
3
5
16.0
-
-
4.5
250
500
4
400
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
ps
ps
ps
%
%
MHz
pF
pF
ms
ps
ps
ns
ps
7