ics9248-55 Integrated Device Technology, ics9248-55 Datasheet - Page 7

• Manufacturer Part Number: ics9248-55
• Description: Pentium/pro/iitm System Clock Chip
• Manufacturer: Integrated Device Technology

T
1
Electrical Characteristics - IOAPIC
T
1
Electrical Characteristics - CPUCLK
Output High Voltage
Output High Voltage
Jitter, Cycle-to-cycle
Output Low Voltage
Output High Current
Guaranteed by design, not 100% tested in production.
Output Low Voltage
Output High Current
Guaranteed by design, not 100% tested in production.
Output Low Current
Output Low Current
A
A
Jitter, One Sigma
Jitter, One Sigma
= 0 - 70C; V
Jitter, Absolute
= 0 - 70C; V
PARAMETER
Jitter, Absolute
PARAMETER
Duty Cycle
Rise Time
Duty Cycle
Fall Time
Rise Time
Fall Time
Skew
Skew
1
DD
DD
1
1
1
= 3.3 V +/-5%, V
1
= 3.3 V +/-5%, V
1
SYMBOL
SYMBOL
t
jcyc-cyc2B
T
t
V
V
t
V
T
t
V
t
jabs2B
I
I
I
I
d
T
T
D
j1s2B
sk4B
t
t
sk2B
OH4B
OL4B
jabs4B
OH2B
OL2B
OH4B
j1s4B
OH2B
r2B
f2B
OL4B
OL2B
t2B
r4B
f4B
t4B
1
1
1
1
1
1
1
1
DDL
DDL
I
I
V
V
V
V
V
V
V
V
I
I
V
V
V
V
V
V
V
V
V
OH
OL
OH
OL
= 2.5 V +/-5%; C
= 2.5 V +/-5%; C
OH
OL
OL
OH
T
T
T
T
OH
OL
OL
OH
T
T
T
T
T
= 1.25 V
= 1.25 V
= 1.25 V
= 1.25 V
= 18 mA
= 1.25 V
= 1.25 V
= 1.25 V
= 1.25 V
= 1.25 V
= 12 mA
= -18 mA
= -12.0 mA
= 0.7 V
= 0.4 V, V
= 1.7 V
= 2.0 V, V
= 0.7 V
= 0.4 V, V
= 1.7 V
= 2.0 V, V
OH
OH
OL
OL
CONDITIONS
CONDITIONS
= 2.0 V
= 0.4 V
= 2.0 V
= 0.4 V
L
L
= 20 pF
= 10 - 20 pF (unless otherwise stated)
MIN
MIN
-250
29
45
19
45
-5
2
2
TYP
0.33
TYP
1.25
-41
150
140
-41
2.2
1.5
1.3
2.3
0.2
37
54
60
37
48
30
40
1
1
ICS9248-55
MAX UNITS
MAX UNITS
+250
250
-28
175
200
150
0.4
-19
0.4
1.6
1.6
55
55
2
2
3
5
mA
mA
mA
mA
ns
ns
%
ps
%
%
ns
ns
%
ps
ps
ps
ps
V
V
V
V