參數(shù)資料
型號: SY89322V
廠商: Micrel Semiconductor,Inc.
英文描述: LVTTL/LVCMOS-to-DIFFERENTIAL LVPECL TRANSLATOR
中文描述: LVTTL /的LVCMOS到差分LVPECL譯者
文件頁數(shù): 4/5頁
文件大?。?/td> 44K
代理商: SY89322V
4
SY89322V
Micrel
V
CC
= +3.3V
±
10% or +5.0V
±
10%; R
L
= 50
to V
CC
2V, T
A
=
40
°
C to +85
°
C, unless otherwise noted.
Symbol
Parameter
Condition
Min
Typ
Max
Units
f
MAX
t
PD
t
SKEW
Maximum Toggle Frequency
800
MHz
Propagation Delay
IN-to-Q
100
600
ps
Within-Device Skew
Note 4
100
ps
Part-to-Part Jitter
Note 4
500
ps
t
Jitter
Cycle-to-Cycle Jitter
Note 5
2
ps(rms)
Total Jitter
Note 6
25
ps(pk-pk)
t
r
, t
f
Output Rise/Fall Time (20% to 80%)
200
500
ps
Note 4.
Note 5.
Same transition at common V
CC
levels.
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.
Total jitter definition: with an ideal clock input of frequency
f
MAX
, no more than one output edge in 10
12
output edge will deviate by more than
the specified peak-to-peak jitter value.
Note 6.
AC ELECTRICAL CHARACTERISTICS
LVPECL OUTPUT INTERFACE APPLICATIONS
Z
O
= 50
R2
R1
R1
R2
R3
R4
V
CC
2V
V
CC
1.3V
V
CC
V
CC
V
CC
V
CC
V
CC
= 3.3V; R1 = 130
, R2 = 82
, R3 = 1k
, R4 = 1.6k
,
V
CC
= 5V; R1 = 83
, R2 = 125
, R3 = 1k
, R4 = 2.8k
,
Figure 1c. Terminating Unused I/O
R2
R2
Z
O
= 50
Z
O
= 50
R1
R1
V
CC
2V
V
CC
V
CC
V
CC
V
CC
= 3.3V; R1 = 130
, R2 = 82
V
CC
= 5V; R1 = 83
, R2 = 125
Figure 1a. Parallel Thevenin-
Equivalent Termination
Z
O
= 50
Z
O
= 50
R
pd
50
50
C (Optional)
0.01
μ
F
V
CC
2V
V
CC
V
CC
V
CC
= 3.3V; Rpd = 50
V
CC
= 5V; Rpd = 100
Figure 1b. Three Resistor
“Y Termination”
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