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HomeCommunitySubject74HC74 Dual D Flip-Flop: Datasheet pdf, Pinout and Flip-Flop Diagram

74HC74 Dual D Flip-Flop: Datasheet pdf, Pinout and Flip-Flop Diagram

Logic - Flip Flops 14-SOIC (0.154, 3.90mm Width) 2V~6V -55°C~125°C TA 74HC 28MHz 74HC74 3V 10pF IC D-TYPE POS TRG DUAL 14SOIC The 74HC74 is a dual positive edge-triggered D-type flip-flop. It has individual data (nD), clock (NCP), set (nSD)) and reset (nRD) inputs, and complementary nQ and nQ outputs. This article is going to introduce detailed information about 74HC74 Dual D Flip?Flop.

7636

Nov 11, 2021

Carol Penn

Simple set reset flip flop circuit made using a 7474 74HC74 integrated circuit IC

 

Logic - Flip Flops 14-SOIC (0.154, 3.90mm Width) 2V~6V -55°C~125°C TA 74HC 28MHz 74HC74 3V 10pF IC D-TYPE POS TRG DUAL 14SOIC

The 74HC74 is a dual positive edge-triggered D-type flip-flop. It has individual data (nD), clock (NCP), set (nSD)) and reset (nRD) inputs, and complementary nQ and nQ outputs. This article is going to introduce detailed information about 74HC74 Dual D Flip−Flop.

 

74HC74DR2G

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What is 74HC74?

The 74HC74 is a D-type flip-flop with dual positive edge triggering. They have individual data (nD), clock (nCP), set (nSD) and reset (nRD) inputs, and complementary nQ and nQ outputs. The device inputs are compatible with standard CMOS outputs; with pullup resistors and it is compatible with LSTTL outputs.

74HC74 logic diagram.jpg

74HC74 Logic Diagram

74HC74 Pinout

74HC74 Pinout

74HC74 Functional Pinout

74HC74 Functional Pinout

74HC74 CAD Model

74HC74 Symbol

 

74HC74 Footprint

Specifications

ON Semiconductor 74HC74DR2G technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor 74HC74DR2G.

74HC74DR2G Tech Specifications

Rochester Electronics, LLC 74HC74DR2G technical specifications, attributes, parameters and parts with similar specifications to Rochester Electronics, LLC 74HC74DR2G.

Product Attribute Attribute Value
Mounting TypeSurface Mount
Package / Case14-SOIC (0.154, 3.90mm Width)
Surface MountYES
Number of Elements2 Elements
Operating Temperature-55°C~125°C TA
PackagingTape & Reel (TR)
Series74HC
JESD-609 Codee3
Pbfree Codeyes
Part StatusObsolete
Moisture Sensitivity Level (MSL)1 (Unlimited)
Number of Terminations14Terminations
TypeD-Type
Product Attribute Attribute Value
Terminal FinishMATTE TIN
Voltage - Supply2V~6V
Terminal PositionDUAL
Terminal FormGULL WING
Peak Reflow Temperature (Cel)260
Supply Voltage3V
Reach Compliance Codeunknown
Time@Peak Reflow Temperature-Max (s)40
FunctionSet(Preset) and Reset
Qualification StatusCOMMERCIAL
Output TypeDifferential
Supply Voltage-Max (Vsup)6V
Supply Voltage-Min (Vsup)2V
Product Attribute Attribute Value
Clock Frequency28MHz
FamilyHC/UH
Current - Quiescent (Iq)2μA
Current - Output High, Low5.2mA 5.2mA
Output PolarityCOMPLEMENTARY
Number of Bits per Element1
Max Propagation Delay @ V, Max CL17ns @ 6V, 50pF
Trigger TypePositive Edge
Input Capacitance10pF
Length8.65mm
Width3.9mm
RoHS StatusROHS3 Compliant
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74HC74 Features

  • Output Drive Capability: 10 LSTTL Loads

  • Outputs Directly Interface to CMOS, NMOS, and TTL

  • Operating Voltage Range: 2.0 to 6.0 V

  • Low Input Current: 1.0 A

  • High Noise Immunity Characteristic of CMOS Devices

  • In Compliance with the JEDEC Standard No. 7A Requirements

  • ESD Performance: HBM 2000 V; Machine Model 200 V

  • Chip Complexity: 128 FETs or 32 Equivalent Gates

  • Pb−Free Packages are Available

 

74HC74 Applications

These are different flip-flops used in digital electronic circuits. Below are the applications of Flip-flops:

 

  • Counters

  • Frequency dividers

  • Shift registers

  • Storage registers

74HC74 Circuit Diagram

The IC power source VDD ranges from 0 + 7V and data provided in the datasheet. The following snapshot shows it. Also, we have used LED on the output; it has limited the source to 5V to control the supply voltage and DC output voltage. We have used the LM7805 regulator to limit the LED voltage.

74HC74 Circuit

74HC74 Package Dimensions

74HC74 Manufacturer

ON Semiconductor (Nasdaq: ON) is driving energy-efficient innovations, empowering customers to reduce global energy use. The company offers a comprehensive portfolio of energy-efficient power and signal management, logic, discrete and custom solutions to help design engineers solve their unique design challenges in automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace, and power supply applications. ON Semiconductor operates a responsive, reliable, world-class supply chain and quality program, and a network of manufacturing facilities, sales offices, and design centers in key markets throughout North America, Europe, and the Asia Pacific regions.

Datasheet PDF

Download datasheets and manufacturer documentation for ON Semiconductor 74HC74DR2G.

74HC74DR2G Documents

Download datasheets and manufacturer documentation for 74HC74DR2G

Frequently Asked Questions

How does a 74HC74 work?
The 74HC74 is identical in pinout to the LS74. The device inputs are compatible with standard CMOS outputs; with pull-up resistors, they are compatible with LSTTL outputs. This device consists of two D flip−flops with individual Set, Reset, and Clock inputs.
What is a flip-flop used for?
In electronics, a flip-flop or latch is a circuit that has two stable states and can be used to store state information – a bistable multivibrator. The circuit can be made to change state by signals applied to one or more control inputs and will have one or two outputs.
What is the voltage of 74HC74?
2.7 V to 3.6 V
What are the inputs of D flip-flop?
D flip–flop has two inputs, a clock (CLK) input, and a data (D) input, and two outputs; one is the main output represented by Q and the other is the complement of Q represented by Q'.6
FAQ
How does a 74HC74 work?
The 74HC74 is identical in pinout to the LS74. The device inputs are compatible with standard CMOS outputs; with pull-up resistors, they are compatible with LSTTL outputs. This device consists of two D flip−flops with individual Set, Reset, and Clock inputs.
What is a flip-flop used for?
In electronics, a flip-flop or latch is a circuit that has two stable states and can be used to store state information – a bistable multivibrator. The circuit can be made to change state by signals applied to one or more control inputs and will have one or two outputs.
What is the voltage of 74HC74?
2.7 V to 3.6 V
What are the inputs of D flip-flop?
D flip–flop has two inputs, a clock (CLK) input, and a data (D) input, and two outputs; one is the main output represented by Q and the other is the complement of Q represented by Q'.6

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