MC14520B ON Semiconductor, MC14520B Datasheet

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MC14520B

Manufacturer Part Number
MC14520B
Description
(MC14518B / MC14520B) Dual Up Counters
Manufacturer
ON Semiconductor
Datasheet

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MC14518B, MC14520B
Dual Up Counters
counter are constructed with MOS P−channel and N−channel
enhancement mode devices in a single monolithic structure. Each
consists of two identical, independent, internally synchronous 4−stage
counters. The counter stages are type D flip−flops, with interchangeable
Clock and Enable lines for incrementing on either the positive−going or
negative−going 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−stage synchronous or ripple counting applications
requiring low power dissipation and/or high noise immunity.
Features
Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits are
exceeded, device functional operation is not implied, damage may occur and
reliability may be affected.
1. Maximum Ratings are those values beyond which damage to the device
2. Temperature Derating:
static voltages or electric fields. However, precautions must be taken to avoid
applications of any voltage higher than maximum rated voltages to this
high−impedance circuit. For proper operation, V
to the range V
either V
MAXIMUM RATINGS
© Semiconductor Components Industries, LLC, 2006
January, 2006 − Rev. 5
Symbol
V
The MC14518B dual BCD counter and the MC14520B dual binary
I
This device contains protection circuitry to guard against damage due to high
Unused inputs must always be tied to an appropriate logic voltage level (e.g.,
of Clock or Negative Transition on Enable
Schottky TTL Load Over the Rated Temperature Range
Diode Protection on All Inputs
Supply Voltage Range = 3.0 Vdc to 18 Vdc
Internally Synchronous for High Internal and External Speeds
Logic Edge−Clocked Design — Incremented on Positive Transition
Capable of Driving Two Low−power TTL Loads or One Low−power
Pb−Free Packages are Available*
in
in
may occur.
Plastic “P and D/DW” Packages: – 7.0 mW/_C From 65_C To 125_C
V
T
P
, I
T
T
, V
stg
DD
A
D
L
out
out
SS
or V
DC Supply Voltage Range
Input or Output Voltage Range
Input or Output Current
Power Dissipation,
Operating Temperature Range
Storage Temperature Range
Lead Temperature
SS
DD
(DC or Transient)
(DC or Transient) per Pin
per Package (Note 2.)
(8−Second Soldering)
v (V
). Unused outputs must be left open.
in
Parameter
or V
(Voltages Referenced to V
out
) v V
DD
.
in
and V
−0.5 to V
−0.5 to +18.0
SS
−55 to +125
−65 to +150
out
) (Note 1.)
Value
±10
500
260
should be constrained
DD
www.DataSheet4U.com
+ 0.5
1
Unit
mW
mA
°C
°C
°C
V
V
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
ORDERING INFORMATION
xx
A
WL, L
YY, Y
WW, W
G
http://onsemi.com
DW SUFFIX
CASE 751G
SOEIAJ−16
CASE 966
CASE 648
F SUFFIX
P SUFFIX
SOIC−16
PDIP−16
= 18 or 20
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Indicator
Publication Order Number:
16
16
1
16
1
1
DIAGRAMS
MC145xxBCP
AWLYYWWG
AWLYYWWG
MARKING
MC145xxB
MC14518B/D
ALYWG
145xxB

Related parts for MC14520B

MC14520B Summary of contents

Page 1

... MC14518B, MC14520B Dual Up Counters The MC14518B dual BCD counter and the MC14520B dual binary counter are constructed with MOS P−channel and N−channel enhancement mode devices in a single monolithic structure. Each consists of two identical, independent, internally synchronous 4−stage counters. The counter stages are type D flip−flops, with interchangeable Clock and Enable lines for incrementing on either the positive− ...

Page 2

... MC14518B, MC14520B PIN ASSIGNMENT BLOCK DIAGRAM CLOCK ENABLE R 7 CLOCK ENABLE PIN PIN 8 ...

Page 3

... The formulas given are for the typical characteristics only at 25_C calculate total supply current at loads other than 50 pF (50 pF μA (per package), C where pF MC14518B, MC14520B (Voltages Referenced − 55_C V DD Vdc Min Max Min Symbol V 5.0 — ...

Page 4

... Reset Removal Time 6. The formulas given are for the typical characteristics only at 25_C. 7. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance. Figure 1. Power Dissipation Test Circuit and Waveform MC14518B, MC14520B (6 pF, T ...

Page 5

... GENERATOR Figure 2. Switching Time Test Circuit and Waveforms CLOCK ENABLE RESET MC14518B MC14520B Q2 Q3 MC14518B, MC14520B 20 ns CLOCK INPUT ...

Page 6

... RESET ENABLE CLOCK Figure 4. Decade Counter (MC14518B) Logic Diagram RESET ENABLE CLOCK Figure 5. Binary Counter (MC14520B) Logic Diagram MC14518B, MC14520B (1/2 of Device Shown (1/2 of Device Shown) http://onsemi.com 6 Q2 ...

Page 7

... MC14520BDW MC14520BDWG MC14520BDWR2 MC14520BDWR2G MC14520BFEL MC14520BFELG †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. MC14518B, MC14520B Package PDIP−16 PDIP−16 (Pb−Free) SOIC−16 SOIC−16 (Pb−Free) SOIC− ...

Page 8

... B 16X 0. SEATING PLANE e 14X T MC14518B, MC14520B PACKAGE DIMENSIONS PDIP−16 P SUFFIX PLASTIC DIP PACKAGE CASE 648−08 ISSUE T NOTES: 1. DIMENSIONING AND TOLERANCING PER 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS 4. DIMENSION B DOES NOT INCLUDE 5. ROUNDED CORNERS OPTIONAL. L SEATING ...

Page 9

... Literature Distribution Center for ON Semiconductor P.O. Box 61312, Phoenix, Arizona 85082−1312 USA Phone: 480−829−7710 or 800−344−3860 Toll Free USA/Canada Fax: 480−829−7709 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com MC14518B, MC14520B PACKAGE DIMENSIONS SOEIAJ−16 F SUFFIX PLASTIC EIAJ SOIC PACKAGE CASE 966− ...

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