9154A Datasheet, PDF (9/11 Pages) Integrated Circuit Systems – Low-Cost 16-Pin Frequency Generator

Integrated
Circuit
Systems, Inc.
9154A
Electrical Characteristics at 5.0 V
V_DD = +5 ±10% V, T_A = 0 - 70^oC unless otherwise stated
AC Characteristics
PARAMETER
Input Clock Rise
Time¹
Input Clock Fall
Time¹
Output Rise time, 0.8
to 2.0V¹
Rise time, 20% to
80% V¹
Output Fall time, 2.0
to 0.8V¹
Fall time, 80% to
20% V¹
Duty cycle at 1.4V¹
Duty cycle, reference
clocks¹
Jitter, one sigma, 20
MHz- 80 MHz clocks¹
Jitter, one sigma,
clocks below 20
MHz¹
Jitter, absolute, 20
MHz- 80 MHz clocks¹
Jitter, absolute,
clocks below 20
MHz¹
Input Frequency
Maximum Output
Frequency¹
Clock skew between
CPU and 2XCPU
outputs¹
Power-up Time¹
Frequency Transition
Time¹
SYMBOL TEST CONDITIONS
tICr
tICf
tr
15pF load
tr
15pF load
tf
15pF load
tf
15pF load
dt
15pF load, VDD =
5V±5%
dt
15 pF load
tj1s
10,000 cycles
tjls
10,000 cycles
tjab
10,000 cycles
tjab
10,000 cycles
fin
fout
Tsk
9154A-42
ttPO
to 80 MHz
tft
from 8 to 66.66 MHz
MIN
-
-
-
-
-
-
45/55
40/65
-
-
-250
-
2
140
-
-
-
TYP
-
-
1.5
2.0
0.5
2.0
48/52
43/57
70
0.8
-
1.0
14.318
-
140
8
6.5
MAX
20
20
2
3
1.5
3.0
55/45
65/40
140
UNITS
ns
ns
ns
ns
ns
ns
%
%
ps
2.0
%
250
ps
3.0
%
32
MHz
-
MHz
400
ps
15
ms
12
ms
Notes:
1. Parameter is guaranteed by design and characterization. Not subject to production testing.
0174E—03/18/08
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