74HC74D

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74HC74D

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IC FF D-TYPE DUAL 1BIT 14SOIC

  • ПроизводительКомпания Toshiba Semiconductor и Storage

  • Мфр. Часть #74HC74D

  • Лист данных 74HC74D DataSheet

  • Пакет SOIC-14

  • В наличии3058

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Спецификации

Атрибут Ценность
Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
Function Set(Preset) and Reset
Type D-Type
OutputType Complementary
NumberofElements 2
NumberofBitsperElement 1
ClockFrequency 67 MHz
MaxPropagationDelay@VMaxCL 26ns @ 6V, 50pF
TriggerType Positive Edge
Current-OutputHighLow 5.2mA, 5.2mA
Voltage-Supply 2V ~ 6V
Current-Quiescent(Iq) 2 µA
InputCapacitance 5 pF
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
SupplierDevicePackage 14-SOIC

Обзор

Description

The 74HC74D is a dual D-type flip-flop integrated circuit (IC) that belongs to the 74HC series of high-speed silicon gate CMOS devices. It is designed for use in digital logic circuits and features two independent, edge-triggered D-type flip-flops. Each flip-flop has a data input (D), a clock input (CP), a direct set (SD\*), and a direct reset (RD\*), along with complementary outputs (Q and Q̅).
The IC operates on a wide voltage range from 2V to 6V, making it suitable for both 3.3V and 5V systems. It supports high-speed operation with relatively low power consumption. The positive edge of the clock signal triggers the data transfer from the D input to the output Q, and the direct set and reset inputs allow for asynchronous control, overriding the clocked operation.
The 74HC74D is typically used in applications requiring memory storage, data synchronization, counters, and shift registers. Encased in a small-outline (SO) package, the 74HC74D provides a compact solution for integrating flip-flop functionality into various electronic projects.

Equivalent

The 74HC74D is a dual D-type flip-flop with set and reset, part of the 74HC logic family. Equivalent products include the 74HCT74, SN74HC74N, CD74HC74, MC74HC74, and NXP's HEF7474B. These chips offer similar functionality and electrical characteristics, making them interchangeable in most applications. Always check the datasheet for specific parameter compatibility.

Features

The 74HC74D is a high-speed CMOS dual D-type flip-flop featuring independent data, clock, preset, and clear inputs. Key features include:
1. Dual D-Type Flip-Flops: Contains two flip-flops in a single package.
2. Logic Family: Part of the 74HC (High-speed CMOS) series, ensuring fast operation with low power consumption.
3. Operating Voltage: Typically operates in the range of 2V to 6V.
4. High-Speed Operation: Offers quick transition times, ideal for high-speed applications.
5. Preset and Clear Inputs: Each flip-flop has asynchronous preset and clear inputs, allowing for flexibility in initialization.
6. Edge-Triggered: Data is transferred to the outputs on the rising edge of the clock signal.
7. Low Power Consumption: Consumes minimal power compared to earlier TTL logic families.
8. Output Capability: Standard output drive capability, suitable for driving moderate loads.
These features make the 74HC74D suitable for a variety of applications, including data storage, frequency division, and systems requiring edge-triggered operations.

Pinout

The 74HC74D is a dual D-type flip-flop IC with a total of 14 pins. Each flip-flop features a data input (D), clock input (CP), set input (SD), reset input (RD), non-inverted output (Q), and inverted output (Q̅). Here's a concise description of its pin configuration and functions:
1. Pin 1 (1RD): Reset input for the first flip-flop.
2. Pin 2 (1D): Data input for the first flip-flop.
3. Pin 3 (1CP): Clock input for the first flip-flop.
4. Pin 4 (1SD): Set input for the first flip-flop.
5. Pin 5 (1Q̅): Inverted output for the first flip-flop.
6. Pin 6 (1Q): Non-inverted output for the first flip-flop.
7. Pin 7 (GND): Ground.
8. Pin 8 (2Q): Non-inverted output for the second flip-flop.
9. Pin 9 (2Q̅): Inverted output for the second flip-flop.
10. Pin 10 (2SD): Set input for the second flip-flop.
11. Pin 11 (2CP): Clock input for the second flip-flop.
12. Pin 12 (2D): Data input for the second flip-flop.
13. Pin 13 (2RD): Reset input for the second flip-flop.
14. Pin 14 (VCC): Positive supply voltage.

Manufacturer

The 74HC74D is manufactured by Nexperia. Nexperia is a global semiconductor company headquartered in Nijmegen, Netherlands. The company specializes in the production of discrete components, logic devices, and MOSFETs that are essential for various electronic applications. Nexperia was formerly part of NXP Semiconductors and became an independent company in 2017. The company focuses on efficiency and performance in semiconductor manufacturing, catering to automotive, industrial, computing, and consumer electronics markets.

Application

The 74HC74D is a dual D-type flip-flop IC commonly used in digital electronics for applications including data storage, data transfer, and frequency division. It is often employed in digital circuits for edge-triggered data capture and synchronization. Common applications include:
1. Frequency Division: Used in counters and frequency dividers.
2. Data Latching: Capturing and retaining data bits in digital systems.
3. Signal Synchronization: Aligning asynchronous signals to a clock signal.
4. Edge Detection: Detecting rising or falling edges of pulse signals.
5. State Machines: Implementing state machines in control systems.
These versatile functions make the 74HC74D suitable for use in microprocessors, communication devices, and other digital systems.

Package

The 74HC74D is a dual D-type flip-flop integrated circuit. It is housed in a small-outline integrated circuit (SOIC) package.

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