MC74AC4020 consists master-slave flip-flops with stages brought pins.

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MC74AC4020 consists master-slave flip-flops with stages brought pins.

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MC74AC4020 Stage Binary Ripple Counter
MC74AC4020 consists master-slave flip-flops with stages brought pins. output each flip-flop feeds next frequency each output half that preceding one. state counter advances negative-going edge Clock input. Reset asynchronous active-high. State changes outputs occur simultaneously because internal ripple delays. Therefore, decoded output signals subject decoding spikes have gated with Clock MC74AC4020 some designs. Typ. Clock Outputs Source/Sink Operating Voltage Range: High Noise Immunity
RESET
14-STAGE BINARY RIPPLE COUNTER
SUFFIX CASE 648-08 PLASTIC
SUFFIX CASE 751B-05 PLASTIC
FUNCTION TABLE
Clock Reset Output State Change Advance next state Outputs CLOCK
LOGIC DIAGRAM
RESET
FACT DATA
MC74AC4020
MAXIMUM RATINGS*
Symbol Vout Iout Parameter Supply Voltage (Referenced GND) Input Voltage (Referenced GND) Output Voltage (Referenced GND) Input Current, Output Current, Current Output Power Dissipation Still Plastic** SOIC Package** Storage Temperature Lead Temperature, from Case seconds (Plastic SOIC Package) Value -0.5 +7.0 -0.5 +0.5 -0.5 +0.5 +150 Unit
Tstg
Maximum Ratings those values beyond which damage device occur. Derating: Plastic DIP: 10mW/°C from 65°C 125°C SOIC Package: -7.0 mW/°C from 65°C 125°C
RECOMMENDED OPERATING CONDITIONS
Symbol Vin/Vout tr/tf Parameter Supply Voltage (Referenced GND) Input Voltage, Output Voltage (Ref. GND) Operating Temperature, Package Types Input Rise/Fall Time (Figure ns/V Unit
FACT DATA
MC74AC4020
CHARACTERISTICS (unless otherwise specified)
Symbol Parameter Maximum Quiescent Supply Voltage Value Unit Worst Case 25°C
Maximum Quiescent Supply Current
CHARACTERISTICS
74AC Symbol Parameter +25°C Minimum High Level Input Voltage Maximum Level Output Voltage IOLD IOHD Maximum Input Leakage Current Minimum Dynamic Output Current** 0.002 0.001 0.001 2.99 4.49 5.49 74AC -40°C +85°C Unit Conditions
Guaranteed Limits 3.15 3.85 1.35 1.65 2.56 3.86 4.86 0.36 0.36 0.36 ±0.1 3.15 3.85 1.35 1.65 2.46 3.76 4.76 0.44 0.44 0.44 ±1.0 VOUT VOUT IOUT *VIN IOUT *VIN VCC, VOLD 1.65 VOHD 3.85
Maximum Level Input Voltage
Minimum High Level Output Voltage
outputs loaded; thresholds input associated with output under test. Maximum test duration output loaded time.
FACT DATA
MC74AC4020
CHARACTERISTICS (For Figures Waveforms Section
74AC Symbol Parameter VCC* fmax tPLH tPHL tPLH tPHL tPHL tPHL tPHL trec Maximum Clock Frequency Propagation Delay Propagation Delay Propagation Delay Propagation Delay Propagation Delay Reset Propagation Delay Propagation Delay Recovery Time Minimum Pulse Width Clock Minimum Pulse Width Master Reset -2.5 -1.5 +25°C 74AC -40°C +85°C Unit Fig.
Voltage Range ±0.3 Voltage Range ±0.5
CAPACITANCE
Symbol Input Capacitance Power Dissipation Capacitance Parameter Value Unit Test Conditions
FACT DATA
MC74AC4020
OUTLINE DIMENSIONS
SUFFIX PLASTIC PACKAGE CASE 648-08 ISSUE
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: INCH. DIMENSION CENTER LEADS WHEN FORMED PARALLEL. DIMENSION DOES INCLUDE MOLD FLASH. ROUNDED CORNERS OPTIONAL. INCHES 0.740 0.770 0.250 0.270 0.145 0.175 0.015 0.021 0.040 0.70 0.100 0.050 0.008 0.015 0.110 0.130 0.295 0.305 0.020 0.040 MILLIMETERS 18.80 19.55 6.35 6.85 3.69 4.44 0.39 0.53 1.02 1.77 2.54 1.27 0.21 0.38 2.80 3.30 7.50 7.74 0.51 1.01
SEATING PLANE
0.25 (0.010)
SUFFIX PLASTIC SOIC PACKAGE CASE 751B-05 ISSUE
0.25 (0.010)
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: MILLIMETER. DIMENSIONS INCLUDE MOLD PROTRUSION. MAXIMUM MOLD PROTRUSION 0.15 (0.006) SIDE. DIMENSION DOES INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL 0.127 (0.005) TOTAL EXCESS DIMENSION MAXIMUM MATERIAL CONDITION. MILLIMETERS 9.80 10.00 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 0.19 0.25 0.10 0.25 5.80 6.20 0.25 0.50 INCHES 0.386 0.393 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 0.008 0.009 0.004 0.009 0.229 0.244 0.010 0.019
SEATING PLANE
0.25 (0.010)
Motorola reserves right make changes without further notice products herein. Motorola makes warranty, representation guarantee regarding suitability products particular purpose, does Motorola assume liability arising application product circuit, specifically disclaims liability, including without limitation consequential incidental damages. "Typical" parameters vary different applications. operating parameters, including "Typicals" must validated each customer application customer's technical experts. Motorola does convey license under patent rights rights others. Motorola products designed, intended, authorized components systems intended surgical implant into body, other applications intended support sustain life, other application which failure Motorola product could create situation where personal injury death occur. Should Buyer purchase Motorola products such unintended unauthorized application, Buyer shall indemnify hold Motorola officers, employees, subsidiaries, affiliates, distributors harmless against claims, costs, damages, expenses, reasonable attorney fees arising directly indirectly, claim personal injury death associated with such unintended unauthorized use, even such claim alleges that Motorola negligent regarding design manufacture part. Motorola registered trademarks Motorola, Inc. Motorola, Inc. Equal Opportunity/Affirmative Action Employer.
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JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, Toshikatsu Otsuki, Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-3521-8315 HONG KONG: Motorola Semiconductors H.K. Ltd.; Ping Industrial Park, Ting Road, N.T., Hong Kong. 852-26629298
FACT DATA
*MC74AC4020/D*
MC74AC4020/D

MC74AC4020 consists master-slave flip-flops with stages brought pins.

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