MC14521BDR2 ON Semiconductor, MC14521BDR2 Datasheet

MC14521BDR2

Manufacturer Part Number
MC14521BDR2
Description
Manufacturer
ON Semiconductor
Datasheet

Specifications of MC14521BDR2

Operating Temperature (max)
125C
Operating Temperature (min)
-55
Package Type
SOIC
Pin Count
16
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant

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Part Number
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Quantity
Price
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MC14521B
24-Stage Frequency Divider
circuit that allows three modes of operation. The input will function as a
crystal oscillator, an RC oscillator, or as an input buffer for an external
oscillator. Each flip−flop divides the frequency of the previous flip−flop
by two, consequently this part will count up to 2
count advances on the negative going edge of the clock. The outputs of
the last seven−stages are available for added flexibility.
Features
Stresses exceeding Maximum Ratings may damage the device. Maximum
Ratings are stress ratings only. Functional operation above the Recommended
Operating Conditions is not implied. Extended exposure to stresses above the
Recommended Operating Conditions may affect device reliability.
1. Temperature Derating: Plastic “P and D/DW”
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
(e.g., either V
*For additional information on our Pb−Free strategy and soldering details, please
MAXIMUM RATINGS
© Semiconductor Components Industries, LLC, 2009
September, 2009 − Rev. 7
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
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 1)
Ambient Temperature Range
Storage Temperature Range
Lead Temperature (8−Second Soldering)
The MC14521B consists of a chain of 24 flip−flops with an input
This device contains protection circuitry to guard against damage due to high
Unused inputs must always be tied to an appropriate logic voltage level
Loads
Allow the Connection of External Resistors for Low−Power Operation
Schottky TTL Load over the Rated Temperature Range
All Stages are Resettable
Reset Disables the RC Oscillator for Low Standby Power Drain
RC and Crystal Oscillator Outputs Are Capable of Driving External
Test Mode to Reduce Test Time
V
Supply Voltage Range = 3.0 Vdc to 18 Vdc
Capable of Driving Two Low−Power TTL Loads or One Low−Power
These are Pb−Free Devices*
Packages: – 7.0 mW/_C From 65_C To 125_C
DD
′ and V
SS
SS
SS
Parameter
or V
v (V
′ Pins Brought Out on Crystal Oscillator Inverter to
DD
in
). Unused outputs must be left open.
or V
(Voltages Referenced to V
out
) v V
DD
.
Symbol
V
in
I
in
in
V
T
P
and V
, V
, I
T
T
stg
DD
A
D
L
out
out
SS
out
)
24
−0.5 to +18.0
−55 to +125
−65 to +150
should be constrained
−0.5 to V
= 16,777,216. The
Value
+0.5
± 10
500
260
DD
1
Unit
mW
mA
°C
°C
°C
V
V
See detailed ordering and shipping information in the package
dimensions section on page 2 of this data sheet.
1
1
1
ORDERING INFORMATION
A
WL, L
YY, Y
WW, W = Work Week
G
http://onsemi.com
CASE 751B
SOEIAJ−16
CASE 648
CASE 966
P SUFFIX
D SUFFIX
F SUFFIX
PDIP−16
SOIC−16
= Assembly Location
= Wafer Lot
= Year
= Pb−Free Package
Publication Order Number:
16
16
16
1
1
1
MC14521BCP
DIAGRAMS
AWLYYWWG
MARKING
MC14521B
AWLYWW
14521BG
MC14521B/D
ALYWG

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MC14521BDR2 Summary of contents

Page 1

... Unused inputs must always be tied to an appropriate logic voltage level (e.g., either Unused outputs must be left open *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. © Semiconductor Components Industries, LLC, 2009 September, 2009 − Rev 16,777,216. The ) ...

Page 2

... Q20 Q19 7 10 Q18 OUT1 ORDERING INFORMATION Device MC14521BCPG MC14521BDG MC14521BDR2G MC14521BFG MC14521BFELG †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. BLOCK DIAGRAM RESET STAGES THRU ′ ...

Page 3

ELECTRICAL CHARACTERISTICS Î Î Î Î Î ...

Page 4

SWITCHING CHARACTERISTICS Î Î Î Î Î ...

Page 5

V DD ′ Q18 PULSE IN 2 Q19 GENERATOR Q20 Q21 Q22 Q23 R Q24 C L ′ Figure 2. Switching Time Test Circuit and Waveforms ′ ...

Page 6

V -4.0 -8 10.15 kHz @ 1000 120 kW 7.8 kHz @ V S -16 ...

Page 7

OUT Q18 LOGIC DIAGRAM RESET OUT 2 STAGES THRU ...

Page 8

0.25 (0.010) M −A− −T− SEATING PLANE 0.25 (0.010 PACKAGE DIMENSIONS PDIP−16 CASE ...

Page 9

... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...

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