74HC595D

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74HC595D

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IC SHIFT REGISTER 8BIT 16SOP

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
LogicType Shift Register
OutputType Tri-State
NumberofElements 1
NumberofBitsperElement 8
Function Serial to Parallel, Serial
Voltage-Supply 2V ~ 6V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

Overview

Description

The 74HC595D is an 8-bit serial-in, parallel-out shift register with a storage register and 3-state outputs, commonly used in electronics for expanding the number of I/O pins from microcontrollers. Operating in the voltage range of 2V to 6V, it is part of the 74HC series, known for high-speed CMOS logic. The device features a serial data input (DS), a shift register clock (SHCP), a storage register clock (STCP), and a 3-state output enable (OE).
Data is shifted into the register on the rising edge of the SHCP, and the contents are transferred to the output on the rising edge of the STCP. The OE pin controls the output state, enabling it for active-low signals. This IC is ideal for applications requiring increased output pins, such as driving LED displays, controlling relays, or managing multiple other outputs. The 74HC595D is valued for its ability to daisy-chain with other shift registers, allowing for scalable designs with minimal I/O overhead.

Equivalent

The 74HC595D is a high-speed CMOS shift register with an 8-bit serial-in, parallel-out capability. Equivalent products include:
1. SN74HC595 (Texas Instruments)
2. MC74HC595 (ON Semiconductor)
3. HEF4094B (Nexperia)
4. CD74HC595 (Texas Instruments)
5. TC74HC595 (Toshiba)
6. M74HC595 (STMicroelectronics)
These chips serve similar functions, offering serial-to-parallel data conversion for digital applications. Always check specific datasheets for compatibility and performance details.

Features

The 74HC595D is an 8-bit serial-in, parallel-out shift register with a storage register and three-state outputs. It is commonly used for expanding the number of output pins in microcontroller projects. Key features include:
1. 8-bit Shift Register: Serial data input with parallel data output.
2. Latch Feature: Separate storage register to hold output data, allowing data to be shifted in without changing the output.
3. Three-State Outputs: Outputs can be in a high, low, or high-impedance state, facilitating easy connection to other devices or multiple 74HC595Ds.
4. Clock and Latch Control: Operates with a clock input to shift data and a latch input to update the output.
5. High-Speed Operation: Capable of operating at high frequencies.
6. Wide Supply Voltage Range: Typically operates from 2V to 6V, making it suitable for various applications.
7. Low Power Consumption: CMOS technology ensures minimal power usage.
8. Cascadable: Multiple 74HC595Ds can be connected in series for additional outputs.
These features make the 74HC595D suitable for applications requiring increased digital output capabilities.

Pinout

The 74HC595D is a popular 8-bit serial-in, parallel-out shift register with a storage register and tri-state outputs. It typically comes in a 16-pin package. Here is a brief description of its pin functions:
1. Q1-Q7: Parallel output pins for the stored data.
2. GND: Ground pin.
3. Q0: First parallel output pin.
4. SER: Serial data input pin.
5. ~OE: Output enable, active low; enables/disables the output pins.
6. RCLK: Register clock pin; used to transfer data from the shift register to the storage register.
7. SRCLK: Shift register clock pin; shifts data into the register.
8. ~SRCLR: Shift register clear, active low; clears the shift register.
9. Q7S: Serial out pin; used for cascading multiple devices.
10. Q7': Another version of the last output, used for cascading.
11. VCC: Supply voltage pin.
The primary function of the 74HC595D is to convert serial data into parallel data, allowing microcontrollers to control multiple outputs with minimal I/O pin usage.

Manufacturer

The 74HC595D is manufactured by NXP Semiconductors. NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands. It specializes in the development and production of a wide range of semiconductor devices, including microcontrollers, communication chips, and integrated circuits for automotive, consumer electronics, and industrial applications. Known for its innovative technology and solutions, NXP plays a significant role in areas such as automotive safety, secure connectivity, and the Internet of Things (IoT).

Application

The 74HC595D is an 8-bit serial-in, parallel-out shift register commonly used in applications that require expanding input/output capabilities with minimal microcontroller pin usage. Key application areas include:
1. LED and Display Control: Managing LED arrays or segment displays by sequentially controlling multiple outputs.
2. Data Acquisition Systems: Facilitating parallel data reading from sensors and storing it sequentially.
3. Microcontroller I/O Expansion: Increasing the number of I/O ports available to a microcontroller.
4. Signal Processing: Implementing digital delay lines or serial-to-parallel data conversion.
5. Industrial Control: Managing actuators and relays in automation systems.
Its versatility makes it valuable in projects where efficient data handling and control are essential.

Package

The 74HC595D is a shift register IC with a surface-mount package type, specifically a Small Outline Integrated Circuit (SOIC) package. It typically comes in a 16-pin SOIC configuration.

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