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MC74ACT74ML1 View Datasheet(PDF) - ON Semiconductor

Part NameMC74ACT74ML1 ON-Semiconductor
ON Semiconductor ON-Semiconductor
DescriptionDual D-Type Positive Edge-Triggered Flip-Flop
MC74ACT74ML1 Datasheet PDF : 12 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MC74AC74, MC74ACT74
Dual D-Type Positive
Edge-Triggered Flip-Flop
The MC74AC74/74ACT74 is a dual D–type flip–flop with
Asynchronous Clear and Set inputs and complementary (Q,Q)
outputs. Information at the input is transferred to the outputs on the
positive edge of the clock pulse. Clock triggering occurs at a voltage
level of the clock pulse and is not directly related to the transition
time of the positive-going pulse. After the Clock Pulse input
threshold voltage has been passed, the Data input is locked out and
information present will not be transferred to the outputs until the
next rising edge of the Clock Pulse input.
Asynchronous Inputs:
LOW input to SD (Set) sets Q to HIGH level
LOW input to CD (Clear) sets Q to LOW level
Clear and Set are independent of clock
Simultaneous LOW on CD and SD makes both Q and Q HIGH
Outputs Source/Sink 24 mA
ACT74 Has TTL Compatible Inputs
VCC CD2 D2 CP2 SD2 Q2 Q2
14 13 12 11 10 9 8
D1 CD1 Q1
CP1 SD1 Q1
CP2 SD2 Q2
D2 CD2 Q2
1234567
CD1 D1 CP1 SD1 Q1 Q1 GND
Figure 1. Pinout: 14–Lead Packages Conductors
(Top View)
PIN ASSIGNMENT
PIN
FUNCTION
D1, D2
CP1, CP2
CD1, CD2
SD1, SD2
Q1, Q1, Q2, Q2
Data Inputs
Clock Pulse Inputs
Direct Clear Inputs
Direct Set Inputs
Outputs
http://onsemi.com
14
1
14
1
PDIP–14
N SUFFIX
CASE 646
SO–14
D SUFFIX
CASE 751A
14
1
TSSOP–14
DT SUFFIX
CASE 948G
14
1
EIAJ–14
M SUFFIX
CASE 965
ORDERING INFORMATION
Device
Package Shipping
MC74AC74N
PDIP–14 25 Units/Rail
MC74ACT74N
PDIP–14 25 Units/Rail
MC74AC74D
MC74AC74DR2
SOIC–14 55 Units/Rail
SOIC–14 2500 Tape & Reel
MC74ACT74D
SOIC–14 55 Units/Rail
MC74ACT74DR2
SOIC–14 2500 Tape & Reel
MC74AC74DT
TSSOP–14 96 Units/Rail
MC74AC74DTR2 TSSOP–14 2500 Tape & Reel
MC74ACT74DT TSSOP–14 96 Units/Rail
MC74ACT74DTR2 TSSOP–14 2500 Tape & Reel
MC74AC74M
EIAJ–14 50 Units/Rail
MC74AC74MEL
EIAJ–14 2000 Tape & Reel
MC74ACT74M
EIAJ–14 50 Units/Rail
MC74ACT74MEL EIAJ–14 2000 Tape & Reel
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 7 of this data sheet.
© Semiconductor Components Industries, LLC, 2001
1
May, 2001 – Rev. 5
Publication Order Number:
MC74AC74/D
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