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74LV165D

Name: 74LV165D
Rating: 4.7 (12 reviews)

Counter Shift Registers 3.3V PARALLEL LOAD 8-BIT S/R

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Mfr。パート #74LV165D
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概要

Description

The 74LV165D is an 8-bit serial-in, parallel-out shift register, part of the LV (Low Voltage) family of integrated circuits. It operates from a supply voltage of 2.0V to 5.5V, making it suitable for low-power applications. The device allows for data to be shifted in serially through a single input pin and then output in parallel across eight output pins.
Key features include a clock input for synchronizing data shifts, a serial data input, and a parallel output that can be used to drive LEDs or other devices. It also features a reset function to clear the register contents. The 74LV165D is commonly used in applications such as data storage, digital signal processing, and interfacing with microcontrollers.
Its compact packaging and ease of integration make it a popular choice for both hobbyists and professionals in designing efficient digital systems.

Features

The 74LV165D is an 8-bit serial-in/parallel-out shift register with the following key features:
1. 8-Bit Storage: It can store 8 bits of data.
2. Serial Input: Data can be shifted in serially on the DS (data serial) input.
3. Parallel Output: Outputs are available for all 8 bits, allowing simultaneous access.
4. Shift Control: Controlled by clock (CLK) and latch (STROBE) inputs, facilitating data shifting and storage.
5. Low Voltage Operation: Designed for low voltage operation (2V to 5.5V), making it suitable for modern digital circuits.
6. High-Speed Performance: Capable of high-speed shifting with a maximum clock frequency of up to 100 MHz.
7. Low Power Consumption: Consumes less power than older technologies, enhancing battery life in portable devices.
8. TTL Compatible: Compatible with TTL logic levels, ensuring interoperability with other TTL devices.
This makes the 74LV165D ideal for applications in digital signal processing, data communication, and interfacing with microcontrollers.

Package

The 74LV165D is typically packaged in a SOIC-16 (Small Outline Integrated Circuit) package. This surface-mount package features 16 pins and is commonly used for space-efficient applications in electronic circuits.

Pinout

The 74LV165D is an 8-bit parallel-in, serial-out shift register. It has 16 pins. The pin configuration is as follows:
1. Q7 (Output): Serial output.
2. Q6 (Output): Bit 6 output.
3. Q5 (Output): Bit 5 output.
4. Q4 (Output): Bit 4 output.
5. Q3 (Output): Bit 3 output.
6. Q2 (Output): Bit 2 output.
7. Q1 (Output): Bit 1 output.
8. Q0 (Output): Bit 0 output.
9. GND: Ground.
10. VCC: Power supply (2V to 6V).
11. SER (Serial Data Input): Input for serial data.
12. PL (Parallel Load): Load enable for parallel data input.
13. SH/LD (Shift/Load Control): Control for shifting or loading.
14. CLK (Clock Input): Clock signal for shifting data.
15. MR (Master Reset): Asynchronous reset input.
16. OE (Output Enable): Controls the output.
This device is commonly used in applications where data needs to be shifted serially, such as in digital signal processing or interfacing with microcontrollers.

Manufacturer

The manufacturer of the 74LV165D is NXP Semiconductors. NXP is a global semiconductor manufacturer that specializes in designing and producing a wide range of electronic components, including microcontrollers, microprocessors, and various types of integrated circuits (ICs) for applications in automotive, industrial, and consumer electronics. Established in 2006 as a spin-off from Philips, NXP has a strong focus on innovation and development in areas such as secure connectivity, automotive safety, and IoT (Internet of Things) solutions. The 74LV165D itself is a low-voltage version of the 74LS165, which is an 8-bit serial-in, parallel-out shift register widely used in digital circuits.

Application

The 74LV165D is an 8-bit parallel-in/serial-out shift register used in various applications, including data storage, digital signal processing, and interfacing between parallel and serial data formats. It is commonly utilized in microcontroller projects for expanding output pins, controlling LEDs, and managing sensors. Additionally, it serves in communication systems, where it converts parallel data from a microcontroller to serial data for transmission.

Equivalent

Equivalent products to the 74LV165D, a low-voltage 8-bit shift register, include the 74HC165, 74HCT165, and the 74LVC165. These chips offer similar functionality but may differ in voltage levels and logic families. Be sure to check specific datasheets for pin compatibility and electrical characteristics when considering replacements.