9154A Datasheet, PDF (7/11 Pages) Integrated Circuit Systems – Low-Cost 16-Pin Frequency Generator

Integrated
Circuit
Systems, Inc.
9154A
Electrical Characteristics at 3.3 V
VDD = 3.3 V ± 10%, TA = 0 - 70 ^oC unless otherwise stated
AC Characteristics
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
Input Clock Rise
Time¹
tICr
Input Clock Fall
Time¹
tICf
Rise time, 20% to
80% VDD1
tr
15pF load
Fall time, 80% to
20% VDD1
tf
15pF load
Duty cycle at 50%
VDD1
dt
15pF load
Duty cycle, reference
clocks¹
dt
15pF load
Jitter, one sigma, 20-
66 MHz clocks¹
tj1s
10,000 cycles
Jitter, one sigma,
clocks below 20
MHz¹
tjls
10,000 cycles
Jitter, absolute, 20-66
MHz clocks¹
tjab
10,000 cycles
Jitter, absolute,
clocks below 20
MHz¹
tjab
10,000 cycles
Input Frequency¹
fin
Maximum Output
Frequency¹
fout
Clock skew between
CPU and 2XCPU
outputs¹
Tsk
9154A-42
Power-up Time¹
ttPO
off to 50 MHz
Frequency Transition
Time¹
tft
from 8 to 50 MHz
-
-
-
-
40/60
50/65
-
-
-350
-
2
70
-
-
-
-
-
2.2
1.2
48/52
43/57
100
1.0
-
1.5
14.318
-
220
6
4.5
Notes:
1. Parameter is guaranteed by design and characterization. Not subject to production testing.
MAX
20
20
3.5
2.5
60/40
65/50
200
2.0
350
4.0
32
-
500
12
10
UNITS
ns
ns
ns
ns
%
%
ps
%
ps
%
MHz
MHz
ps
ms
ms
0174E—03/18/08
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