74LVC595ABQ

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74LVC595ABQ

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  • Mfr. Part #74LVC595ABQ
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  • Datasheet
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Specifications

Brand Nexperia

Overview

Description

The 74LVC595ABQ is an 8-bit shift register with a storage register and three-state outputs, commonly used in digital circuits to extend output pins and manage parallel data. Manufactured using advanced CMOS technology, it integrates low power consumption with high-speed operation. The device has a serial input (DS) and can shift data on the rising edge of the clock (CP) input. It includes a latch (STCP) to store shifted data and output it parallelly, and an output enable (OE) for controlling the three-state outputs.
This IC operates within a wide voltage range, typically from 1.65V to 5.5V, making it suitable for various supply levels. It features symmetrical drive characteristics that aid in driving both high and low sides, and it is designed to be used in environments with standard loads.
The 74LVC595ABQ is often employed in applications like LED displays, data buses, or any system requiring multiple outputs from a limited number of microcontroller pins. Its compact packaging and efficient functionality make it a versatile component in modern electronics designs.

Features

The 74LVC595ABQ is an 8-bit serial-in, serial or parallel-out shift register with an 8-bit storage register. It features a 3-state output. Key features include:
1. Supply Voltage Range: Operates between 1.2V to 3.6V, making it suitable for low-voltage applications.
2. 3-State Outputs: Allows for multiplexed bus architectures, offering high drive capability and reduced loading.
3. High-Speed Operation: Can handle frequencies up to 100 MHz, making it suitable for high-speed applications.
4. Low Power Consumption: Minimal power usage due to CMOS technology.
5. Overvoltage Tolerant Inputs: Inputs can handle voltages higher than the supply voltage, providing robustness in mixed-voltage systems.
6. Wide Temperature Range: Operates effectively from -40°C to +85°C, suitable for industrial applications.
7. Standard Pin Configuration: Compatible with industry-standard 74-series pin layouts, facilitating easy integration into existing designs.
The 74LVC595ABQ is ideal for applications requiring data storage and transfer, such as LED display drivers and data multiplexing systems.

Package

The 74LVC595ABQ is a serial-in, parallel-out shift register with a 3-state output register. It comes in a leadless plastic package with extremely low height — specifically, a DHVQFN (Dual-in-line, High-density, Very-thin Quad Flat No-leads) package type.

Pinout

The 74LVC595ABQ is an 8-bit serial-in, serial or parallel-out shift register with a storage register and 3-state outputs. It is typically housed in a 16-pin package. Here are the pin functions:
1. Q0-Q7: Parallel data outputs (pins 1-7 and 15), which provide the shifted serial data in parallel form.
2. DS (Serial Data Input): Pin 14, used for serial data input.
3. SHCP (Shift Register Clock Input): Pin 11, used to shift data into the shift register on a rising edge.
4. STCP (Storage Register Clock Input): Pin 12, used to transfer data from the shift register to the storage register on a rising edge.
5. OE (Output Enable): Pin 13, active-low control used to enable the output buffers; when high, outputs are in high impedance.
6. MR (Master Reset): Pin 10, active-low input to clear the shift register.
7. VCC: Pin 16, power supply.
8. GND: Pin 8, ground.
This IC is commonly used for applications requiring data conversion from serial to parallel, like driving LED displays or for cascading multiple shift registers.

Manufacturer

The 74LVC595ABQ is manufactured by NXP Semiconductors. NXP is a global semiconductor company specializing in the design and production of integrated circuits and other semiconductors. They focus on providing secure connectivity solutions for embedded applications, catering to a wide range of sectors including automotive, industrial, mobile, and communication infrastructure. NXP is known for its innovations in automotive electronics, microcontrollers, security, and networking technologies.

Application

The 74LVC595ABQ is an 8-bit serial-in/serial or parallel-out shift register with a storage register and 3-state outputs. It is commonly used in applications such as LED display drivers, data storage and transfer, signal conversion in communication systems, digital logic applications, and expanding I/O ports of microcontrollers. Its ability to convert serial data to parallel outputs makes it ideal for driving display panels and managing multiple outputs in embedded systems.

Equivalent

The 74LVC595ABQ is an 8-bit serial-in, serial or parallel-out shift register with storage register and 3-state outputs. Equivalent products include the SN74LVC595A from Texas Instruments, MC74LVX595 from ON Semiconductor, and TC74VHC595 from Toshiba. Always verify pin compatibility and electrical characteristics in the datasheet before substituting.

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