參數(shù)資料
型號: 74ACT240SC-NL
廠商: Fairchild Semiconductor Corporation
英文描述: Octal Buffer/Line Driver with 3-STATE Outputs
中文描述: 八路緩沖器/線路驅(qū)動器的3態(tài)輸出
文件頁數(shù): 6/11頁
文件大小: 512K
代理商: 74ACT240SC-NL
6
www.fairchildsemi.com
74AC240, 74ACT240 Rev. 1.0.0
7
AC Electrical Characteristics for AC
Notes:
7. Voltage Range 3.3 is 3.3V
±
0.3V, Voltage Range 5.0 is 5.0V
±
0.5V
AC Electrical Characteristics for ACT
Notes:
8. Voltage Range 5.0 is 5.0V
±
0.5V
Capacitance
Symbol
t
PLH
Parameter
V
CC
(V)
(7)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
T
A
=
Units
ns
+
25
°
C
C
L
=
50 pF
Typ.
6.0
4.5
5.5
4.5
6.0
5.0
7.0
5.5
7.0
6.5
7.5
6.5
40
°
C to
+
85
°
C
C
L
=
50 pF
Min.
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Min.
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
Max.
8.0
6.5
8.0
6.0
10.5
7.0
10.0
8.0
10.0
9.0
10.5
9.0
Max.
9.0
7.0
8.5
6.5
11.0
8.0
11.0
8.5
10.5
9.5
11.5
9.5
Propagation Delay
Data to Output
t
PHL
Propagation Delay
Data to Output
ns
t
PZH
Output Enable Time
ns
t
PZL
Output Enable Time
ns
t
PHZ
Output Disable Time
ns
t
PLZ
Output Disable Time
ns
Symbol
t
PLH
Parameter
V
CC
(V)
(8)
5.0
T
A
=
Units
ns
+
25
°
C
C
L
=
50 pF
Typ.
6.0
40
°
C to
+
85
°
C
C
L
=
50 pF
Min.
1.5
Min.
1.5
Max.
8.5
Max.
9.5
Propagation Delay
Data to Output
Propagation Delay
Data to Output
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
t
PHL
5.0
1.5
5.5
7.5
1.5
8.5
ns
t
PZH
t
PZL
t
PHZ
t
PLZ
5.0
5.0
5.0
5.0
1.5
2.0
2.0
2.5
7.0
7.0
8.0
6.5
8.5
9.5
9.5
10.0
1.0
1.5
2.0
2.0
9.5
10.5
10.5
10.5
ns
ns
ns
ns
Symbol
C
IN
C
PD
Parameter
Conditions
V
CC
=
OPEN
V
CC
=
5.0V
Typ.
4.5
45.0
Units
pF
pF
Input Capacitance
Power Dissipation Capacitance
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