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參數(shù)資料
| 型號(hào)： | HD74HCT74A |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Octal D-Type Edge Triggered Flip-Flops with 3-State Outputs 20-CDIP -55 to 125 |
| 中文描述： | 雙D型上升沿觸發(fā)的明確和預(yù)設(shè)字拖 |
| 文件頁數(shù)： | 4/10頁 |
| 文件大?。?/td> | 57K |
| 代理商： | HD74HCT74A |
HD74HCT74A
4
Logic Diagram
C
C
C
C
PRE
CLK
D
CLR
TG
C
Q
Q
C
TG
C
C
TG
C
C
TG
Electrical Characteristics
Item
Symbol V
CC
(V)
Ta = 25
°
C
Ta = –40 to 85
°
C
Unit Test Conditions
Min
Typ
Max
Min
Max
Output voltage
V
OH
4.5
4.40
—
—
4.40
—
V
I
O
= –20
μ
A
I
O
= –4 mA
I
O
= 20
μ
A
I
O
= 4 mA
V
I
= V
CC
or GND
V
I
= V
CC
or GND,
I
O
= 0
4.5
3.98
—
—
3.84
—
V
OL
4.5
—
—
0.10
—
0.10
4.5
—
—
0.26
—
0.33
Input current
I
I
I
CC
5.5
—
±
0.1
±
100
—
±
1000
nA
Quiescent supply
voltage
5.5
—
—
4.0
—
40
μ
A
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