SN74HC74DR

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SN74HC74DR

IC FF D-TYPE DUAL 1BIT 14SOIC

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  • Fr. Teil #SN74HC74DR
  • Paket SOIC (D)-14
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Spezifikationen

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series 74HC
ProductStatus Active
Function Set(Preset) and Reset
Type D-Type
OutputType Complementary
NumberofElements 2
NumberofBitsperElement 1
ClockFrequency 60 MHz
MaxPropagationDelay@VMaxCL 15ns @ 6V, 50pF
TriggerType Positive Edge
Current-OutputHighLow 5.2mA, 5.2mA
Voltage-Supply 2V ~ 6V
Current-Quiescent(Iq) 4 µA
InputCapacitance 3 pF
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
SupplierDevicePackage 14-SOIC

Übersicht

Description

The SN74HC74DR is a dual D-type flip-flop integrated circuit designed for high-speed digital applications. It belongs to the Texas Instruments' SN74HC series, known for its high-speed CMOS technology. The device features two independent D flip-flops that can store one bit of data each.
Key characteristics include:
- Input and Output: It has complementary outputs (Q and Q̅) for each flip-flop.
- Clocking: Data is sampled on the rising edge of the clock signal, allowing for synchronous operation.
- Reset Function: Each flip-flop can be reset asynchronously, which helps in initializing the outputs.
- Supply Voltage: It operates typically between 2V and 6V.
- Speed: Designed for fast operation, with propagation delays typically around 15 ns at 5V.
The SN74HC74DR is widely used in digital circuits for data storage, state machines, and timing applications, making it a versatile component in various electronic designs. Its compact SOIC-14 package allows for easy integration into circuit boards.

Features

The SN74HC74DR is a dual D-type flip-flop from Texas Instruments, featuring high-speed operation and low power consumption. Key features include:
- Dual D Flip-Flop: Contains two independent flip-flops.
- Edge-Triggered: Operates on the rising edge of the clock signal.
- Asynchronous Set/Reset: Includes active-low set and reset inputs for immediate state changes.
- High-Speed Operation: Can switch at speeds up to 6 MHz at 5V.
- Wide Supply Voltage Range: Operates from 2V to 6V, compatible with various logic levels.
- Low Power Consumption: Consumes minimal power, making it suitable for battery-powered applications.
- TTL-Compatible Inputs and Outputs: Ensures compatibility with TTL logic families.
- Temperature Range: Operates within a temperature range of -40°C to 125°C.
This versatile flip-flop is ideal for data storage applications, frequency division, and digital circuit design.

Package

The SN74HC74DR is packaged in a small-outline IC (SOIC) format, specifically a 14-pin surface-mount package. The "DR" suffix indicates that it is a reel packaging suitable for automated assembly processes.

Pinout

The SN74HC74DR is a dual D-type flip-flop integrated circuit. It features a total of 14 pins.
Pin Count and Functions:
1. VCC (Pin 14): Power supply (typically 2V to 6V).
2. GND (Pin 7): Ground connection.
3. D1 (Pin 1): Data input for the first flip-flop.
4. D2 (Pin 2): Data input for the second flip-flop.
5. CLK1 (Pin 3): Clock input for the first flip-flop.
6. CLK2 (Pin 4): Clock input for the second flip-flop.
7. SET1 (Pin 5): Set input for the first flip-flop.
8. SET2 (Pin 6): Set input for the second flip-flop.
9. Q1 (Pin 11): Output for the first flip-flop.
10. Q2 (Pin 10): Output for the second flip-flop.
11. CLR1 (Pin 9): Clear input for the first flip-flop.
12. CLR2 (Pin 8): Clear input for the second flip-flop.
13. ~Q1 (Pin 12): Inverted output for the first flip-flop.
14. ~Q2 (Pin 13): Inverted output for the second flip-flop.
This device is widely used in digital circuits for data storage and synchronization.

Manufacturer

The SN74HC74DR is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments specializes in semiconductor design and manufacturing, providing a wide range of products including microcontrollers, processors, analog ICs, and digital signal processors. Established in 1930, TI is known for its innovation in electronics and its contributions to the development of various technologies used across industries such as automotive, industrial, and consumer electronics. The SN74HC74DR itself is a dual D-type flip-flop, widely used in digital circuits for data storage and transfer.

Application

The SN74HC74DR is a dual D-type flip-flop used in various applications, including data storage, synchronization, and signal processing. It's commonly employed in digital circuits for creating memory elements, counters, shift registers, and state machines. Its high-speed operation and low power consumption make it suitable for use in microcontroller interfacing, communication systems, and timing applications in consumer electronics and automotive systems.

Equivalent

The SN74HC74DR is a dual D-type flip-flop. Equivalent products include:
1. 74HC74 - Standard version in different packages.
2. CD74HC74 - From Texas Instruments.
3. MC74HC74 - From ON Semiconductor.
4. 74HCT74 - TTL-compatible version.
5. 74LS74 - Low-power version.
Always check datasheets for specific features and compatibility.

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