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5474FMQB 参数 Datasheet PDF下载

5474FMQB图片预览
型号: 5474FMQB
PDF下载: 下载PDF文件 查看货源
内容描述: 双上升沿触发D触发器与预置,清除和互补输出 [Dual Positive-Edge-Triggered D Flip-Flops with Preset, Clear and Complementary Outputs]
分类和应用: 触发器
文件页数/大小: 6 页 / 124 K
品牌: NSC [ National Semiconductor ]
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25 C (See Section 1 for Test Waveforms and Output Load)  
Switching Characteristics at V  
5V and T  
§
CC  
A
e
e
R
400X  
15 pF  
L
From (Input)  
To (Output)  
Symbol  
Parameter  
C
L
Units  
Min  
Max  
f
t
t
t
t
t
t
Maximum Clock  
Frequency  
MAX  
PHL  
PLH  
PHL  
PLH  
PHL  
PLH  
15  
MHz  
ns  
Propagation Delay Time  
High to Low Level Output  
Preset  
to Q  
40  
25  
40  
25  
40  
25  
Propagation Delay Time  
Low to High Level Output  
Preset  
to Q  
ns  
Propagation Delay Time  
High to Low Level Output  
Clear  
to Q  
ns  
Propagation Delay Time  
Low to High Level Output  
Clear  
to Q  
ns  
Propagation Delay Time  
High to Low Level Output  
Clock to  
Q or Q  
ns  
Propagation Delay Time  
Low to High Level Output  
Clock to  
Q or Q  
ns  
3