74HC74BQ

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74HC74BQ

Flip Flops

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  • Mfr. Partie #74HC74BQ
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  • En stock23274

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Spécifications

Vue d'ensemble

Description

The 74HC74BQ is a dual D-type flip-flop integrated circuit in the 74HC series, known for its high-speed performance and low power consumption. It operates using a standard CMOS logic level and is designed to store one bit of data per flip-flop, making it suitable for various digital applications, such as data storage, synchronization, and state retention in sequential circuits.
The 74HC74BQ features two independent D flip-flops, each with an active-high clock input, a data input (D), a set input (S), a reset input (R), and complementary outputs (Q and Q̅). It captures the value at the D input on the rising edge of the clock signal and holds it until the next clock edge, while the set and reset inputs allow for overriding functionality.
With a typical propagation delay of around 15 ns (at 5V), it is ideal for high-speed operations in digital systems. The 74HC74BQ is widely used in applications requiring reliable data storage and timing operations.

Features

The 74HC74BQ is a dual D-type flip-flop integrated circuit. Key features include:
1. Dual Functionality: Contains two independent D flip-flops with separate inputs and outputs.
2. Edge Triggered: The flip-flops are triggered on the rising edge of the clock signal, making them suitable for synchronous operations.
3. Asynchronous Set/Reset: Includes asynchronous set (S) and reset (R) inputs for both flip-flops, allowing immediate state changes regardless of the clock.
4. High Speed: Operates at high speeds due to the high-speed CMOS technology, capable of functioning at frequencies up to 100 MHz.
5. Wide Voltage Range: Compatible with a supply voltage range of 2V to 6V, making it versatile for various applications.
6. Low Power Consumption: Consumes low power, suitable for battery-operated devices.
7. Industrial Temperature Range: Designed to operate over a wide temperature range, enhancing reliability in various environments.
8. Standard Logic: Fully compatible with standard TTL logic levels.
These features make the 74HC74BQ ideal for digital storage elements and shift registers in electronic circuits.

Package

The 74HC74BQ is typically available in a Dual In-Line Package (DIP) and also in Surface Mount Technology (SMT) packages, such as SOIC or TSSOP. These package types provide various options for circuit board integration based on space and application requirements.

Pinout

The 74HC74BQ is a dual D-type flip-flop integrated circuit. It features a total of 14 pins. The pin configuration is as follows:
1. Q1 - Output of the first flip-flop
2. Q1' - Inverted output of the first flip-flop
3. D1 - Data input for the first flip-flop
4. CLK1 - Clock input for the first flip-flop
5. CLR1 - Clear input for the first flip-flop (active low)
6. PRE1 - Preset input for the first flip-flop (active low)
7. GND - Ground
8. VCC - Power supply (typically +2V to +6V)
9. CLR2 - Clear input for the second flip-flop (active low)
10. PRE2 - Preset input for the second flip-flop (active low)
11. CLK2 - Clock input for the second flip-flop
12. D2 - Data input for the second flip-flop
13. Q2 - Output of the second flip-flop
14. Q2' - Inverted output of the second flip-flop
The 74HC74BQ is commonly used in digital circuits for data storage and synchronization.

Manufacturer

The 74HC74BQ is manufactured by Nexperia, a company known for producing semiconductor components. Nexperia specializes in discrete, logic, and MOSFET devices, focusing on high-performance and reliable products for various electronic applications. Originally part of NXP Semiconductors, Nexperia was established as a standalone company in 2017 and has since been recognized for its expertise in delivering high-quality semiconductor solutions to diverse industries, including automotive, industrial, and consumer electronics.

Application

The 74HC74BQ is a dual D-type flip-flop used in various applications, including data storage, synchronization, frequency division, and edge-triggered data transfer. It is commonly employed in digital circuits for memory elements, counters, shift registers, and state machines. Its ability to handle high-speed operations makes it suitable for clocked sequential circuits and digital signal processing applications.

Equivalent

The 74HC74BQ is a dual D-type flip-flop. Equivalent products include:
1. SN74HC74 (Texas Instruments)
2. MC74HC74 (ON Semiconductor)
3. CD74HC74 (Texas Instruments)
4. 74HCT74 (if HCT logic levels are acceptable)
These devices have similar functionality and specifications, but always check specific datasheets for compatibility.

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