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參數(shù)資料
| 型號： | SY89475U |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | Precision LVPECL 2:1 Multiplexer with 1:2 Fanout and Internal Termination |
| 中文描述： | 精密的LVPECL 2:1多路復(fù)用器與1:2扇出和內(nèi)部終端 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 565K |
| 代理商： | SY89475U |
Micrel, Inc.
SY89473U
AC Electrical Characteristics
(7)
V
CC
= 2.5V ±5% or 3.3V ±10%; T
A
= -40°C to + 85°C, R
L
= 50
to V
CC
-2V, unless otherwise stated.
May 2005
6
M9999-052405
hbwhelp@micrel.com
or (408) 955-1690
Symbol
Parameter
Condition
Min
Typ
Max
Units
NRZ Data
2.5
3.2
Gbps
f
MAX
Maximum Operating Frequency
V
OUT
≥
400mV Clock
2.5
3.0
GHz
Differential Propagation Delay
In-to-Q
250
320
500
ps
t
pd
SEL-to-Q
V
TH
= V
CC
/2
250
360
600
ps
T
pd
Tempco
Differential Propagation Delay
Temperature Coefficient
158
fs/
o
C
Output-to-Output Skew
Note 8
5
20
ps
t
SKEW
Part-to-Part Skew
Note 9
200
ps
Clock
Random Jitter
Note 10
1
ps
RMS
ps
RMS
ps
PP
ps
RMS
ps
Cycle-to-Cycle Jitter
Note 11
1
Total Jitter (TJ)
Note 12
10
t
Jitter
Crosstalk-Induced Jitter
Note 13
0.7
t
r,
t
f
Output Rise/Fall Time (20% to 80%)
At full output swing.
70
130
190
Notes:
7.
8.
9.
High-frequency AC-parameters are guaranteed by design and characterization.
Output-to-output skew is measured between two different outputs under identical transitions.
Part-to-part skew is defined for two parts with identical power supply voltages at the same temperature and with no skew of the edges at
the respective inputs.
10. Random Jitter is measured with a K28.7 pattern, measured at <f
MAX
.
11. Cycle-to-cycle jitter definition: The variation of periods between adjacent cycles, T
n
– T
n-1
where T is the time between rising edges of the
output signal.
12. Total Jitter definition: With an ideal clock input of frequency <f
MAX
, no more than one output edge in 10
12
output edges will deviate by
more than the specified peak-to-peak jitter value.
13. Crosstalk is measured at the output while applying two similar differential clock frequencies that are asynchronous with respect to each
other at the inputs.
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