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MM54C221J Scheda tecnica(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte MM54C221J
Spiegazioni elettronici  Dual Monostable Multivibrator
PDF  6 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

MM54C221J Scheda tecnica(HTML) 3 Page - National Semiconductor (TI)

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AC Electrical Characteristics TA e 25 C CL e 50 pF unless otherwise noted
Symbol
Parameter
Conditions
Min
Typ
Max
Units
tpd A B
Propagation Delay from Trigger
VCC e 5V
250
500
ns
Input (A B) to Output Q Q
VCC e 10V
120
250
ns
tpd CL
Propagation Delay from Clear
VCC e 5V
250
500
ns
Input (CL) to Output Q Q
VCC e 10V
120
250
ns
tS
Time Prior to Trigger Input (A B)
VCC e 5V
150
50
ns
that Clear must be Set
VCC e 10V
60
20
ns
tW(A B)
Trigger Input (A B) Pulse Width
VCC e 5V
150
50
ns
VCC e 10V
70
30
ns
tW(CL)
Clear Input (CL) Pulse Width
VCC e 5V
150
50
ns
VCC e 10V
70
30
ns
tW(OUT)
QorQ Output Pulse Width
VCC e 5V REXT e 10k
900
ns
CEXT e 0pF
VCC e 10V REXT e 10k
350
ns
CEXT e 0pF
VCC e 15V REXT e 10k
320
ns
CEXT e 0pF
VCC e 5V REXT e 10k
90
106
122
m
s
CEXT e 1000 pF (Figure 1)
VCC e 10V REXT e 10k
90
10
11
m
s
CEXT e 1000 pF (Figure 1)
VCC e 15V REXT e 10k
89
98
108
m
s
CEXT e 1000 pF (Figure 1)
VCC e 5V REXT e 10k
900
1020
1200
m
s
CEXT e 01 mF (Figure 2)
VCC e 10V REXT e 10k
900
1000
1100
m
s
CEXT e 01 mF (Figure 2)
VCC e 15V REXT e 10k
900
990
1100
m
s
CEXT e 01 mF (Figure 2)
RON
ON Resistance of Transistor
VCC e 5V (Note 4)
50
150
X
between RCEXT to CEXT
VCC e 10V (Note 4)
25
65
X
VCC e 15V (Note 4)
167
45
X
Output Duty Cycle
R e 10k C e 1000 pF
90
%
R e 10k C e 01 mF90
%
(Note 5)
CIN
Input Capacitance
RCEXT Input (Note 2)
15
25
pF
Any Other Input (Note 2)
5
pF
AC Parameters are guaranteed by DC correlated testing
Note 1
‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed Except for ‘‘Operating Temperature Range’’
they are not meant to imply that the devices should be operated at these limits The table of ‘‘Electrical Characteristics’’ provides conditions for actual device
operation
Note 2
Capacitance is guaranteed by periodic testing
Note 3
In Standby (Q e Logic ‘‘0’’) the power dissipated equals the leakage current plus VCC REXT
Note 4
See AN-138 for detailed explanation RON
Note 5
Maximum output duty cycle e REXT REXT a 1000
3



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