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參數(shù)資料
| 型號(hào)： | CD74FCT374SM |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 通用總線功能 |
| 英文描述： | BiCMOS FCT Interface Logic, Octal D-Type Flip-Flop, Three-State |
| 中文描述： | 聯(lián)邦首都的BiCMOS邏輯接口，八路D類觸發(fā)器，三態(tài) |
| 文件頁(yè)數(shù)： | 4/8頁(yè) |
| 文件大?。?/td> | 34K |
| 代理商： | CD74FCT374SM |
8-4
Switching Specifications Over Operating Range
FCT Series t
r
, t
f
= 2.5ns, C
L
= 50pF, R
L
(Figure 4) (Note 6)
PARAMETER
SYMBOL
V
CC
(V)
25
o
C
TYP
0
o
C TO 70
o
C
MIN
UNITS
MAX
Propagation Delays
Clock to Q
Output Disable to Q
Output Enable to Q
Power Dissipation Capacitance
t
PLH
, t
PHL
t
PLZ
, t
PHZ
t
PZL
, t
PZH
C
PD
(Note 7)
V
OHV
5
5
5
-
6.6
6
9
33
2
10
8
12.5
-
ns
ns
ns
pF
1.5
1.5
-
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
5
0.5
-
-
V
V
OLP
5
1
-
-
V
C
I
C
O
-
-
-
-
-
-
10
15
pF
pF
Prerequisite for Switching
PARAMETER
SYMBOL
t
SU
V
CC
(V)
5
(Note 8)
5
5
5
25
o
C
TYP
-
0
o
C TO 70
o
C
MIN
2
UNITS
ns
MAX
-
Setup Time Data to Clock
Data to Clock Hold Time
Clock Pulse Width
Maximum Clock Frequency
NOTE:
8. 5V: Minimum is at 4.75V for 0
o
C to 70
o
C, Typical is at 5V.
t
H
t
W
f
MAX
-
-
-
2
7
-
-
-
ns
ns
MHz
70
CD74FCT374
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