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參數(shù)資料
| 型號： | 74LVT244WMX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Low Voltage Octal Buffer/Line Driver with 3-STATE Outputs |
| 中文描述： | LVT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | 0.300 INCH, MS-013, SOIC-20 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大小： | 84K |
| 代理商： | 74LVT244WMX |
5
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7
AC Electrical Characteristics
Note 10:
All typical values are at V
CC
=
3.3V, T
A
=
25
°
C.
Note 11:
Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (t
OSHL
) or LOW-to-HIGH (t
OSLH
). Parameter guaranteed by design.
Capacitance
(Note 12)
Note 12:
Capacitance is measured at frequency f
=
1 MHz, per MIL-STD-883, Method 3012.
Symbol
Parameter
T
A
=
40
°
C to
+
85
°
C
C
L
=
50 pF, R
L
=
500
V
CC
=
3.3V
±
0.3V
Typ
(Note 10)
Units
V
CC
=
2.7V
Min
Min
Max
Max
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
OSHL
t
OSLH
Propagation Delay Data to Output
1.1
1.3
3.8
3.9
1.1
1.3
4.0
4.2
ns
Output Enable Time
1.1
1.4
1.9
4.5
4.4
4.9
1.1
1.4
1.9
5.3
5.0
5.1
ns
Output Disable Time
ns
1.8
4.4
1.8
4.4
Output to Output Skew
(Note 11)
1.0
1.0
ns
Symbol
Parameter
Conditions
Typical
3
Units
pF
C
IN
C
OUT
Input Capacitance
V
CC
=
0V, V
I
=
0V or V
CC
V
CC
=
3.0V, V
O
=
0V or V
CC
Output Capacitance
6
pF
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