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MC14518 Datasheet

  • MC14518

  • ON Semiconductor [Dual Up Counters]

  • ONSEMI

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MC14518B
Dual Up Counters
The MC14518B dual BCD counter and the MC14520B dual binary
counter are constructed with MOS P鈥揷hannel and N鈥揷hannel
enhancement mode devices in a single monolithic structure. Each
consists of two identical, independent, internally synchronous 4鈥搒tage
counters. The counter stages are type D flip鈥揻lops, with
interchangeable Clock and Enable lines for incrementing on either the
positive鈥揼oing or negative鈥揼oing transition as required when
cascading multiple stages. Each counter can be cleared by applying a
high level on the Reset line. In addition, the MC14518B will count out
of all undefined states within two clock periods. These complementary
MOS up counters find primary use in multi鈥搒tage synchronous or
ripple counting applications requiring low power dissipation and/or
high noise immunity.
http://onsemi.com
MARKING
DIAGRAMS
16
PDIP鈥?6
P SUFFIX
CASE 648
MC14518BCP
AWLYYWW
1
16
SOIC鈥?6
DW SUFFIX
CASE 751G
1
16
SOEIAJ鈥?6
F SUFFIX
CASE 966
Unit
V
V
mA
mW
擄C
擄C
擄C
1
A
= Assembly Location
WL or L = Wafer Lot
YY or Y = Year
WW or W = Work Week
MC14518B
AWLYWW
14518B
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Diode Protection on All Inputs
Supply Voltage Range = 3.0 Vdc to 18 Vdc
Internally Synchronous for High Internal and External Speeds
Logic Edge鈥揅locked Design 鈥?Incremented on Positive Transition
of Clock or Negative Transition on Enable
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
AWLYYWW
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
鹵10
500
鈥?55 to +125
鈥?65 to +150
260
ORDERING INFORMATION
Device
MC14518BCP
MC14518BDW
MC14518BDWR2
Package
PDIP鈥?6
SOIC鈥?6
SOIC鈥?6
SOEIAJ鈥?6
SOEIAJ鈥?6
Shipping
2000/Box
47/Rail
1000/Tape & Reel
See Note 1.
See Note 1.
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.
MC14518BF
MC14518BFEL
1. For ordering information on the EIAJ version of
the SOIC packages, please contact your local
ON Semiconductor representative.
v
v
漏
Semiconductor Components Industries, LLC, 2000
1
March, 2000 鈥?Rev. 3
Publication Order Number:
MC14518B/D

MC14518 PDF文件相關(guān)型號(hào)

MC14518BCPG,MC14518BDWG,MC14520BCP,MC14520BCPG,MC14520BDWG,MC14520BFELG

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