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74LS193 参数 Datasheet PDF下载

74LS193图片预览
型号: 74LS193
PDF下载: 下载PDF文件 查看货源
内容描述: 同步4位二进制计数器,具有双时钟 [Synchronous 4-Bit Binary Counter with Dual Clock]
分类和应用: 计数器时钟
文件页数/大小: 7 页 / 77 K
品牌: FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
 浏览型号74LS193的Datasheet PDF文件第1页浏览型号74LS193的Datasheet PDF文件第2页浏览型号74LS193的Datasheet PDF文件第3页浏览型号74LS193的Datasheet PDF文件第4页浏览型号74LS193的Datasheet PDF文件第6页浏览型号74LS193的Datasheet PDF文件第7页  
AC Electrical Characteristics  
R
= 2 kΩ  
From (Input)  
To (Output)  
L
Symbol  
Parameter  
C
= 15 pF  
C
= 50 pF  
Units  
L
L
Min  
25  
Max  
Min  
20  
Max  
f
t
Maximum Clock Frequency  
Propagation Delay Time  
LOW-to-HIGH Level Output  
Propagation Delay Time  
HIGH-to-LOW Level Output  
Propagation Delay Time  
LOW-to-HIGH Level Output  
Propagation Delay Time  
HIGH-to-LOW Level Output  
Propagation Delay Time  
LOW-to-HIGH Level Output  
Propagation Delay Time  
HIGH-to-LOW Level Output  
Propagation Delay Time  
LOW-to-HIGH Level Output  
Propagation Delay Time  
HIGH-to-LOW Level Output  
Propagation Delay Time  
HIGH-to-LOW Level Output  
MHz  
ns  
MAX  
Count Up  
to Carry  
PLH  
PHL  
PLH  
PHL  
PLH  
PHL  
PLH  
PHL  
PHL  
26  
24  
24  
24  
38  
47  
40  
40  
35  
30  
36  
29  
32  
45  
54  
41  
47  
44  
t
t
t
t
t
t
t
t
Count Up  
to Carry  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
Count Down  
to Borrow  
Count Down  
to Borrow  
Either Count  
to Any Q  
Either Count  
to Any Q  
Load to  
Any Q  
Load to  
Any Q  
Clear to  
Any Q  
5
www.fairchildsemi.com  
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