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參數(shù)資料
| 型號(hào)： | HD74LVC74 |
| 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)： | 2/9頁 |
| 文件大?。?/td> | 48K |
| 代理商： | HD74LVC74 |
HD74LVC74
2
Function Table
Inputs
Outputs
PR
CLR
CK
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
Q
0
Q
0
H
H
L
X
Q
0
Q
0
Q
0
H
H
H
X
H
H :
L :
X :
↓
:
↑
:
Q
0
:
Note:
H
↓
X
High level
Low level
Immaterial
High to Low transition
Low to high transition
Level to Q before the indicated steady input conditions were established.
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
(Top view)
11
12
13
14 V
CC
2CLR
2D
2CK
2PR
2Q
1
2
3
4
5
6
7
8
9
10
1CLR
GND
1D
1CK
1PR
1Q
1Q
2Q
D
CK
PR
CLR
Q
Q
D
CK
CLR
PR
Q
Q
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD74LVCR2245A | Octal Bidirectional Transceivers with 3-state Outputs |
| HD74LVCZ16240A | 16-bit Buffers / Line Drivers with 3-state Outputs |
| HD74LVCZ16244A | 16-bit Buffers / Line Drivers with 3-state Outputs |
| HD74LVCZ16245A | 16 Bit Bidirectional Transceivers with 3-state Outputs(三態(tài)輸出的16位雙向收發(fā)器) |
| HD74LVCZ240A | Octal Buffers / Line Drivers with 3-state Outputs(三態(tài)輸出的八緩沖器/線驅(qū)動(dòng)器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD74LVC74FP-E | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74LVC74TELL-E | 制造商:Renesas Electronics Corporation 功能描述: |
| HD74LVCZ240AT(ELL-E) | 制造商:Renesas Electronics 功能描述:Cut Tape |
| HD74LVU04AFP-E | 制造商:Renesas Electronics Corporation 功能描述:Logic,74LV Series, SOP14 |
| HD74LVU04AFPEL-E | 制造商:Renesas Electronics Corporation 功能描述:Logic,74LV Series, SOP14 |
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