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參數(shù)資料
| 型號(hào)： | HD74LV74A |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Dual D-type Flip Flops with Preset and Clear |
| 中文描述： | 雙D型人字拖與預(yù)置和清除 |
| 文件頁數(shù)： | 2/16頁 |
| 文件大小： | 66K |
| 代理商： | HD74LV74A |
HD74LV74A
2
Function Table
Inputs
PRE
Outputs
CLR
CLK
D
Q
Q
L
H
X
X
H
L
H
L
X
X
L
H
L
L
X
X
H*
1
H*
1
H
H
↑
↑
↓
H
H
L
H
H
L
L
H
Q
0
H
Note:
H
X
Q
0
H: High level
L: Low level
X: Immaterial
↑
: Low to high transition
↓
: High to low transition
Q
0
:The level of Q immediately before the input conditions shown in the above table are determined.
1.: Q and
Q
will remain HIGH as long as Preset and Clear are Low, but Q and
Q
are unpredictable,
if Preset and Clear go HIGH simultaneously.
Pin Arrangement
V
2
CLR
2D
2CLK
2
PRE
2Q
2
Q
CC
1
CLR
GND
1D
1CLK
1
PRE
1Q
1
Q
(Top view)
11
12
13
14
1
2
3
4
5
6
7
8
9
10
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74LV74AFP | 制造商:Renesas Electronics Corporation 功能描述:Flip Flop D-Type Pos-Edge 2-Element 14-Pin SOP |
| HD74LV74AFP-E | 制造商:Renesas Electronics Corporation 功能描述:HD74LV74AFP-E |
| HD74LV74AFPEL-E | 制造商:Renesas Electronics Corporation 功能描述:HD74LV74AFP-E |
| HD74LVC00FP-E | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74LVC00TELL-E | 制造商:Renesas Electronics Corporation 功能描述: |
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