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參數(shù)資料
| 型號(hào)： | CD74FCT541SM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | BiCMOS FCT Interface Logic, Octal Buffers/Line Drivers, Three-State |
| 中文描述： | 聯(lián)邦首都的BiCMOS邏輯接口，八路緩沖器/線路驅(qū)動(dòng)器，三態(tài) |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 36K |
| 代理商： | CD74FCT541SM |
8-4
Switching Specifications Over Operating Range
FCT Series t
r
, t
f
= 2.5ns, C
L
= 50pF, R
L
(Figure 3) (Note 6)
PARAMETER
SYMBOL
V
CC
(V)
(Note 6)
25
o
C
TYP
0
o
C TO 70
o
C
MIN
UNITS
MAX
Propagation Delays
Data to Outputs
CD74FCT540
CD74FCT541
Output Disable to Output
Output Enable to Output
Power Dissipation Capacitance
CD74FCT540
CD74FCT541
Minimum (Valley) V
OHV
During Switching of
Other Outputs (Output Under Test Not Switching)
Maximum (Peak) V
OLP
During Switching of
Other Outputs (Output Under Test Not Switching)
Input Capacitance
Three-State Output Capacitance
NOTES:
6. 5V: Min is at 5.25V for 0
o
C to 70
o
C, Max is at 4.75V for 0
o
C to 70
o
C, Typ is at 5V.
7. C
PD
, measured per flip-flop, is used to determine the dynamic power consumption.
P
D
(per package) = V
CC
I
CC
+
Σ
(V
CC2
f
I
C
PD
+ V
O2
f
O
C
L
+ V
CC
I
CC
D) where:
V
CC
= supply voltage
I
CC
= flow through current x unit load
C
L
= output load capacitance
D = duty cycle of input high
f
O
= output frequency
f
I
= input frequency
t
PLH
, t
PHL
t
PLH
, t
PHL
t
PLZ
, t
PHZ
t
PZL
, t
PZH
C
PD
(Note 7)
5
5
5
5
6.4
6
7.1
7.5
2
2
2
2
8.5
8
9.5
10
ns
ns
ns
ns
-
-
5
37
40
0.5
-
-
-
-
-
-
pF
pF
V
V
OHV
V
OLP
5
1
-
-
V
C
I
C
O
-
-
-
-
-
-
10
15
pF
pF
CD74FCT540, CD74FCT541
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