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MC14538 Datasheet

  • MC14538

  • ON Semiconductor [Dual Precision Retiggerable/Resettable Mo...

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MC14538B
Dual Precision
Retriggerable/Resettable
Monostable Multivibrator
The MC14538B is a dual, retriggerable, resettable monostable
multivibrator. It may be triggered from either edge of an input pulse,
and produces an accurate output pulse over a wide range of widths, the
duration and accuracy of which are determined by the external timing
components, C
X
and R
X
.
Output Pulse Width = (Cx) (Rx) where:
Rx is in k
W
Cx is in
m
F
http://onsemi.com
MARKING
DIAGRAMS
PDIP鈥?6
P SUFFIX
CASE 648
SOIC鈥?6
D SUFFIX
CASE 751B
TSSOP鈥?6
DT SUFFIX
CASE 948F
1
16
SOIC鈥?6
DW SUFFIX
CASE 751G
1
16
SOEIAJ鈥?6
F SUFFIX
CASE 966
Unit
V
V
mA
mW
掳C
掳C
掳C
MC14538B
AWLYWW
14538B
16
MC14538BCP
AWLYYWW
1
16
14538B
AWLYWW
1
16
14
538B
ALYW
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Unlimited Rise and Fall Time Allowed on the A Trigger Input
Pulse Width Range = 10
碌s
to 10 s
Latched Trigger Inputs
Separate Latched Reset Inputs
3.0 Vdc to 18 Vdc Operational Limits
Triggerable from Positive (A Input) or Negative鈥揋oing Edge
(B鈥揑nput)
鈥?/div>
Capable of Driving Two Low鈥損ower TTL Loads or One Low鈥損ower
Schottky TTL Load Over the Rated Temperature Range
鈥?/div>
Pin鈥揻or鈥損in Compatible with MC14528B and CD4528B (CD4098)
鈥?/div>
Use the MC54/74HC4538A for Pulse Widths Less Than 10
碌s
with
Supplies Up to 6 V.
MAXIMUM RATINGS
(Voltages Referenced to V
SS
) (Note 2.)
Symbol
V
DD
V
in
, V
out
I
in
, I
out
P
D
T
A
T
stg
T
L
Parameter
DC Supply Voltage Range
Input or Output Voltage Range
(DC or Transient)
Input or Output Current
(DC or Transient) per Pin
Power Dissipation,
per Package (Note 3.)
Operating Temperature Range
Storage Temperature Range
Lead Temperature
(8鈥揝econd Soldering)
Value
鈥?0.5 to +18.0
鈥?0.5 to V
DD
+ 0.5
卤10
500
鈥?55 to +125
鈥?65 to +150
260
AWLYYWW
1
A
= Assembly Location
WL or L = Wafer Lot
YY or Y = Year
WW or W = Work Week
ORDERING INFORMATION
Device
MC14538BCP
MC14538BD
MC14538BDR2
MC14538BDT
MC14538BDTR2
MC14538BDW
MC14538BDWR2
MC14538BF
MC14538BFEL
Package
PDIP鈥?6
SOIC鈥?6
SOIC鈥?6
TSSOP鈥?6
Shipping
2000/Box
48/Rail
2500/Tape & Reel
96/Rail
2. Maximum Ratings are those values beyond which damage to the device
may occur.
3. Temperature Derating:
Plastic 鈥淧 and D/DW鈥?Packages: 鈥?7.0 mW/
_
C From 65
_
C To 125
_
C
This device contains protection circuitry to guard against damage due to high
static voltages or electric fields. However, precautions must be taken to avoid
applications of any voltage higher than maximum rated voltages to this
high鈥搃mpedance circuit. For proper operation, V
in
and V
out
should be constrained
to the range V
SS
(V
in
or V
out
)
V
DD
.
Unused inputs must always be tied to an appropriate logic voltage level (e.g.,
either V
SS
or V
DD
). Unused outputs must be left open.
TSSOP鈥?6 2500/Tape & Reel
SOIC鈥?6
SOIC鈥?6
SOEIAJ鈥?6
SOEIAJ鈥?6
47/Rail
1000/Tape & Reel
See Note 1.
See Note 1.
v
v
1. For ordering information on the EIAJ version of
the SOIC packages, please contact your local
ON Semiconductor representative.
Publication Order Number:
MC14538B/D
漏
Semiconductor Components Industries, LLC, 2000
1
March, 2000 鈥?Rev. 3

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