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DM74LS293 PDF预览

DM74LS293

更新时间: 2024-01-04 23:37:47
品牌 Logo 应用领域
美国国家半导体 - NSC 计数器
页数 文件大小 规格书
6页 108K
描述
4-Bit Binary Counter

DM74LS293 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
Reach Compliance Code:unknown风险等级:5.92
Is Samacsys:N计数方向:UP
JESD-30 代码:R-PDIP-T14JESD-609代码:e0
负载/预设输入:NO逻辑集成电路类型:BINARY COUNTER
工作模式:ASYNCHRONOUS功能数量:1
端子数量:14最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP14,.3
封装形状:RECTANGULAR封装形式:IN-LINE
电源:5 V认证状态:Not Qualified
子类别:Counters标称供电电压 (Vsup):5 V
表面贴装:NO技术:TTL
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUALBase Number Matches:1

DM74LS293 数据手册

 浏览型号DM74LS293的Datasheet PDF文件第1页浏览型号DM74LS293的Datasheet PDF文件第3页浏览型号DM74LS293的Datasheet PDF文件第4页浏览型号DM74LS293的Datasheet PDF文件第5页浏览型号DM74LS293的Datasheet PDF文件第6页 
Absolute Maximum Ratings (Note)  
If Military/Aerospace specified devices are required,  
please contact the National Semiconductor Sales  
Office/Distributors for availability and specifications.  
Note: The ‘‘Absolute Maximum Ratings’’ are those values  
beyond which the safety of the device cannot be guaran-  
teed. The device should not be operated at these limits. The  
parametric values defined in the ‘‘Electrical Characteristics’’  
table are not guaranteed at the absolute maximum ratings.  
The ‘‘Recommended Operating Conditions’’ table will define  
the conditions for actual device operation.  
Supply Voltage  
Input Voltage  
7V  
7V  
Operating Free Air Temperature Range  
DM74LS  
a
0 C to 70 C  
§
§
b
a
65 C to 150 C  
Storage Temperature Range  
§
§
Recommended Operating Conditions  
DM74LS293  
Units  
Symbol  
Parameter  
Min  
4.75  
2
Nom  
Max  
V
V
V
Supply Voltage  
5
5.25  
V
V
CC  
High Level Input Voltage  
Low Level Input Voltage  
High Level Output Current  
Low Level Output Current  
IH  
0.8  
V
IL  
b
I
I
0.4  
mA  
mA  
OH  
OL  
8
f
f
t
Clock Frequency  
(Note 1)  
A to Q  
B to Q  
A to Q  
B to Q  
A
0
0
32  
16  
20  
10  
CLK  
CLK  
W
A
B
A
B
MHz  
MHz  
Clock Frequency  
(Note 2)  
0
0
Pulse Width  
(Note 6)  
15  
30  
15  
25  
0
B
ns  
ns  
Reset  
t
Reset Release Time (Note 6)  
REL  
T
Free Air Operating Temperature  
70  
C
§
A
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)  
Typ  
(Note 3)  
Symbol  
Parameter  
Conditions  
Min  
Max  
Units  
e
e
e b  
e
b
1.5  
V
V
Input Clamp Voltage  
V
Min, I  
Min, I  
18 mA  
V
V
I
CC  
I
High Level Output  
Voltage  
V
V
Max  
Min  
OH  
CC  
OH  
2.7  
3.4  
e
e
Max, V  
IL  
IH  
e
e
e
V
Low Level Output  
Voltage  
V
V
Min, I  
Max  
Min  
OL  
CC  
OL  
0.35  
0.25  
0.5  
V
e
Max, V  
IH  
IL  
e
e
Min  
I
4 mA, V  
CC  
0.4  
0.1  
0.2  
0.2  
20  
OL  
@
Input Current Max  
Input Voltage  
e
CC  
I
I
I
V
V
Max  
7V  
Reset  
I
e
I
A
mA  
mA  
mA  
B
e
2.7V  
High Level Input  
Current  
V
V
Max  
Max  
Max  
Reset  
IH  
IL  
CC  
e
I
A
40  
B
40  
e
0.4V  
b
Low Level Input  
Current  
V
V
Reset  
0.4  
2.4  
1.6  
CC  
e
I
b
b
A
B
e
(Note 4)  
I
I
Short Circuit  
Output Current  
V
CC  
OS  
CC  
b
b
100  
20  
mA  
mA  
e
Supply Current  
V
CC  
Max (Note 5)  
9
15  
2

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