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參數(shù)資料
| 型號： | 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)： | 6/10頁 |
| 文件大?。?/td> | 57K |
| 代理商： | HD74HCT74A |
HD74HCT74A
6
Test Circuit
1) f , t ,t (CLK
→
Q,
Q
)
Pulse Generator
Z = 50
Input
Input
Pulse Generator
Z = 50
V
PR
D
CLR
Q
CLK
Q
CC
V
CC
Output Q
C
L
Output
Q
Output Q
Output
Q
C
L
2) t ,t (CLR or PR
→
Q,
Q
)
Pulse Generator
Z = 50
Input
Input
Pulse Generator
Z = 50
PR
D
CLR
Q
CLK
Q
V
CC
C
L
C
L
Notes: 1. C includes probe and jig capacitance.
2. Test is put into the each flip flops.
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