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參數(shù)資料
| 型號(hào)： | 74B2529 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 132K |
| 代理商： | 74B2529 |
AC Electrical Characteristics
Over recommended operating conditions unless specified otherwise. All typical values are measured at V
CC
e
5V, T
A
e
25
§
C
Symbol
Parameter
V
CC
e
4.5V to 5.5V
C
L
e
50 pF
R
L
e
500
X
Units
Min
Typ
Max
f
MAX
Frequency Maximum
80
MHz
t
PLH
Low-to-High Propagation Delay CLK0,1 to O
n
M
3.0
5.5
7.0
ns
Low-to-High Propagation Delay CLK0,1 to O
n
V
2.5
5.5
6.0
t
PHL
High-to-Low Propagation Delay CLK0,1 to O
n
M
3.0
5.5
7.0
ns
High-to-Low Propagation Delay CLK0,1 to O
n
V
2.5
5.5
6.0
Extended AC Electrical Characteristics
Over recommended operating conditions unless specified otherwise. All typical values are measured at V
CC
e
5V, T
A
e
25
§
C
Symbol
Parameter
Package
V
CC
e
4.5V to 5.5V
C
L
e
50 pF
R
L
e
500
X
Units
Min
Typ
Max
t
OSHL
Maximum Skew Common Edge
Output-to-Output Variation (Note 1)
M
V
500
500
ps
t
OSLH
Maximum Skew Common Edge
Output-to-Output Variation (Note 1)
M
V
500
500
ps
t
PS
Maximum Skew Pin
(Signal) Transition Variation (Note 1)
M
V
750
850
ps
t
Set
(Note 2)
Setup Time High Select to CLK0 or 1
Setup Time Low Select to CLK0 or 1
All
b
2.0
b
2.0
ns
t
Hold
(Note 2)
Hold Time High Sel to CLK0
Hold Time High Sel to CLK1
Hold Time Low Sel to CLK0
Hold Time Low Sel to CLK1
5.0
5.0
8.0
8.0
ns
t
rise
,
t
fail
Rise/Fall Time
(from 0.8V/2.0V to 2.0V/0.8V)
CGS74
1.5
ns
CGS64
1.75
Note 1:
t
OSHL
and t
OSLH
are characterized and guaranteed by design
@
1 MHz.
Note 2:
A negative setup time indicates that the correct logic levels may be initiated sometimes after the active transition of the timing pulse.
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