SN54 74LS112A dual flip-flop features individual clock, asynchronous c

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SN54 74LS112A dual flip-flop features individual clock, asynchronous c

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SN54/74LS112A DUAL NEGATIVE EDGE-TRIGGERED FLIP-FLOP
SN54 74LS112A dual flip-flop features individual clock, asynchronous clear inputs each flip-flop. When clock goes HIGH, inputs enabled data will accepted. logic level inputs allowed change when clock pulse HIGH bistable will perform according truth table long minimum set-up hold time observed. Input data transferred outputs negative-going edge clock pulse.
DUAL NEGATIVE EDGE-TRIGGERED FLIP-FLOP
POWER SCHOTTKY
LOGIC DIAGRAM (Each Flip-Flop)
SUFFIX CERAMIC CASE 620-09
5(9) 6(7)
CLEAR (CD) 15(14) 3(11) 1(13) CLOCK (CP)
4(10) 2(12)
(SD)
SUFFIX PLASTIC CASE 648-08
SUFFIX SOIC CASE 751B-03
ORDERING INFORMATION MODE SELECT TRUTH TABLE
INPUTS OPERATING MODE Reset (Clear) *Undetermined Toggle Load (Reset) Load (Set) Hold OUTPUTS SN54LSXXXJ SN74LSXXXN SN74LSXXXD Ceramic Plastic SOIC
LOGIC SYMBOL
Both outputs will HIGH while both LOW, output states unpredictable HIGH simultaneously. HIGH Voltage Level Voltage Level Don't Care Lower case letters indicate state referenced input output) set-up time prior HIGH clock transition.
FAST DATA 5-185
SN54/74LS112A
GUARANTEED OPERATING RANGES
Symbol Supply Voltage Operating Ambient Temperature Range Output Current High Output Current Parameter 4.75 5.25 Unit
CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits Symbol Parameter Input HIGH Voltage Input Voltage Input Clamp Diode Voltage Output HIGH Voltage Output Voltage Set, Clear Clock Input HIGH Current Set, Clear Clock Clear, Set, 0.35 0.65 0.25 Unit Test Conditions Guaranteed Input HIGH Voltage Inputs Guaranteed Input Voltage Inputs MIN, MIN, MAX, Truth Table MIN, Truth Table
MAX,
MAX,
Input Current
MAX,
Short Circuit Current (Note Power Supply Current
Note more than output should shorted time, more than second.
CHARACTERISTICS 25°C,
Limits Symbol fMAX tPLH tPHL Parameter Maximum Clock Frequency Propagation Delay, Clock Clear, Output Unit Test Conditions
SETUP REQUIREMENTS 25°C,
Limits Symbol Parameter Clock Pulse Width High Clear, Pulse Width Setup Time Hold Time Unit Test Conditions
FAST DATA 5-186
Case 751B-03 Suffix 16-Pin Plastic SO-16
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: MILLIMETER. DIMENSION INCLUDE MOLD PROTRUSION. MAXIMUM MOLD PROTRUSION 0.15 (0.006) SIDE. 751B OBSOLETE, STANDARD 751B
0.25 (0.010)
0.25 (0.010)
SEATING PLANE
MILLIMETERS
9.80 3.80 1.35 0.35 0.40 10.00 4.00 1.75 0.49 1.25
INCHES
0.386 0.150 0.054 0.014 0.016 0.393 0.157 0.068 0.019 0.049
1.27 0.19 0.10 0.25 0.25
0.050 0.008 0.004 0.009 0.009
5.80 0.25
6.20 0.50
0.229 0.010
0.244 0.019
Case 648-08 Suffix 16-Pin Plastic -A16
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: INCH. DIMENSION CENTER LEADS WHEN FORMED PARALLEL. DIMENSION DOES INCLUDE MOLD FLASH. ROUNDED CORNERS OPTIONAL. THRU OBSOLETE, STANDARD
SEATING PLANE
0.25 (0.010)
MILLIMETERS
18.80 6.35 3.69 0.39 1.02 19.55 6.85 4.44 0.53 1.77
INCHES
0.740 0.250 0.145 0.015 0.040 0.770 0.270 0.175 0.021 0.070
2.54 1.27 0.21 2.80 7.50 0.38 3.30 7.74
0.100 0.050 0.008 0.110 0.295 0.015 0.130 0.305
0.51
1.01
0.020
0.040
-A16
Case 620-09 Suffix 16-Pin Ceramic Dual In-Line
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: INCH.
DIMENSION CENTER LEAD WHEN FORMED PARALLEL. NARROW 0.76 (0.030) WHERE LEAD ENTERS CERAMIC BODY.
THRU OBSOLETE, STANDARD
-TSEATING PLANE
0.25 (0.010)
0.25 (0.010)
MILLIMETERS
19.05 6.10 19.55 7.36 4.19 0.39 0.53
INCHES
0.750 0.240 0.770 0.290 0.165 0.015 0.021
1.27 1.40 1.77
0.050 0.055 0.070
2.54 0.23 0.27 5.08 7.62
0.100 0.009 0.011 0.200 0.300
0.39
0.88
0.015
0.035
FAST DATA 5-187
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.
Literature Distribution Centers: USA: Motorola Literature Distribution; P.O. 20912; Phoenix, Arizona 85036. EUROPE: Motorola Ltd.; European Literature Centre; Tanners Drive, Blakelands, Milton Keynes, MK14 5BP, England. JAPAN: Nippon Motorola Ltd.; 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan. ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, King Street, Industrial Estate, N.T., Hong Kong.
FAST DATA 5-188

SN54 74LS112A dual flip-flop features individual clock, asynchronous c

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