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54121FMQB PDF预览

54121FMQB

更新时间: 2024-01-20 13:54:03
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描述
One-Shot with Clear and Complementary Outputs

54121FMQB 数据手册

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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  
5.5V  
Operating Free Air Temperature Range  
DM54  
DM74  
b
b
a
55 C to 125 C  
§
0 C to 70 C  
§
a
§
§
a
65 C to 150 C  
Storage Temperature Range  
§
§
Recommended Operating Conditions  
DM54121  
DM74121  
Symbol  
Parameter  
Units  
Min  
Nom  
Max  
Min  
Nom  
Max  
V
V
Supply Voltage  
Positive-Going Input Threshold  
4.5  
5
5.5  
4.75  
5
5.25  
V
V
CC  
a
b
a
b
T
T
T
T
1.4  
1.4  
1.5  
1.3  
2
1.4  
1.4  
1.5  
1.3  
2
e
Voltage at the A Input (V  
Min)  
CC  
V
V
V
Negative-Going Input Threshold  
e
0.8  
0.8  
40  
0.8  
0.8  
40  
V
V
V
Voltage at the A Input (V  
Min)  
CC  
Positive-Going Input Threshold  
e
2
2
Voltage at the B Input (V  
Min)  
CC  
Negative-Going Input Threshold  
e
Voltage at the B Input (V  
CC  
Min)  
b
b
I
I
High Level Output Current  
Low Level Output Current  
Input Pulse Width (Note 1)  
0.4  
0.4  
mA  
mA  
ns  
OH  
OL  
16  
16  
t
W
Rate of Rise or Fall of  
Schmidt Input (B) (Note 1)  
dV/dt  
dV/dt  
1
1
1
1
V/s  
Rate of Rise or Fall of  
Logic Input (A) (Note 1)  
V/ms  
R
C
External Timing Resistor (Note 1)  
1.4  
0
30  
1000  
67  
1.4  
0
40  
1000  
67  
kX  
mF  
EXT  
External Timing Capacitance (Note 1)  
EXT  
e
e
DC  
Duty Cycle (Note 1)  
R
2 kX  
T
T
%
R
R
(Max)  
90  
90  
EXT  
b
T
A
Free Air Operating Temperature  
55  
125  
0
70  
C
§
e
e
5V.  
Note 1:  
T
25 C and V  
§
A
CC  
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)  
Typ  
(Note 1)  
Symbol  
Parameter  
Conditions  
Min  
Max  
Units  
e
e
e b  
e
b
1.5  
V
V
Input Clamp Voltage  
V
Min, I  
Min, I  
12 mA  
V
V
I
CC  
I
High Level Output  
Voltage  
V
V
Max,  
Min  
OH  
CC  
OH  
2.4  
3.4  
0.2  
e
e
Max, V  
IL  
IH  
e
e
V
OL  
Low Level Output  
Voltage  
V
CC  
V
IH  
Min, I  
OL  
Min, V  
Max,  
Max  
0.4  
V
e
e
IL  
@
Input Current Max  
Input Voltage  
e
e
I
I
I
V
Max, V  
5.5V  
I
CC  
1
mA  
mA  
e
2.4V  
High Level Input  
Current  
V
V
Max  
A1, A2  
B
40  
80  
IH  
CC  
e
I
e
0.4V  
b
I
I
I
Low Level Input  
Current  
V
V
Max  
A1, A2  
B
1.6  
3.2  
IL  
CC  
mA  
mA  
mA  
e
I
b
e
(Note 2)  
b
b
b
b
Short Circuit  
Output Current  
V
CC  
Max  
DM54  
DM74  
Quiescent  
Triggered  
20  
18  
55  
55  
OS  
CC  
e
Supply Current  
V
CC  
Max  
13  
23  
25  
40  
e
e
25 C.  
Note 1: All typicals are at V  
5V, T  
§
Note 2: Not more than one output should be shorted at a time.  
CC  
A
2

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