SN74AHC595DR

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SN74AHC595DR

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IC SR TRI-STATE 8BIT 16-SOIC

  • 製造商德州儀器

  • 製造商部分 #SN74AHC595DR

  • 有存貨3534

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規格

屬性 價值
Series 74AHC
PartStatus Active
LogicType Shift Register
OutputType Tri-State
NumberofElements 1
NumberofBitsperElement 8
Function Serial to Parallel, Serial
Voltage-Supply 2V ~ 5.5V
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 16-SOIC (0.154", 3.90mm Width)
SupplierDevicePackage 16-SOIC
BaseProductNumber 74AHC595

概述

Description

The SN74AHC595DR is an 8-bit shift register with an output latch, designed for high-speed digital logic applications. It operates on a supply voltage of 2V to 6V, making it suitable for various logic level systems. The device features serial input and parallel output, allowing data to be shifted in serially and then output in parallel.
Key functionalities include the ability to cascade multiple devices for increasing the number of output bits, as well as a "latch" function that holds the output state until updated. The SN74AHC595DR supports both rising and falling edge clocking, providing flexibility in timing applications.
It is commonly used in applications like LED driving, data storage, and microcontroller interfacing, thanks to its low power consumption and high speed. The "DR" in the part number indicates it comes in a small SSOP package, making it suitable for compact designs. Overall, the SN74AHC595DR is a versatile component for expanding output capabilities in electronic designs.

Equivalent

Equivalent products to the SN74AHC595DR include the 74HC595 74HCT595, and the 74AHCT595. These chips are all 8-bit shift registers with similar functionality but may differ in voltage levels and logic families. Always check the specific datasheet for compatibility in your application.

Features

The SN74AHC595DR is an 8-bit shift register with an output latch and serial input/output capabilities. Key features include:
1. 8-Bit Shift Register: Handles 8 bits of data, allowing for efficient data storage and transfer.
2. Output Latch: Maintains the output state until new data is shifted in, providing stable output.
3. Serial Input/Output: Supports serial data input and output, facilitating easy cascading of multiple devices.
4. High-Speed Operation: Rated for high-speed operation up to 100 MHz, suitable for fast data processing.
5. Low Power Consumption: Operates at low supply voltage (2V to 5.5V), making it energy-efficient.
6. TTL Compatible: Compatible with TTL logic levels, allowing integration with various digital systems.
7. Active-Low Reset: Features an asynchronous reset to clear the shift register and output, ensuring reliable operation.
8. Wide Operating Temperature: Functional across a temperature range of -40°C to 125°C.
This versatility makes the SN74AHC595DR suitable for various applications, including LED control and data communication interfaces.

Pinout

The SN74AHC595DR is an 8-bit shift register with a serial input and parallel output. It has a total of 16 pins. The key functions of the pins are as follows:
1. Pin 1 (Q7’): Serial out.
2. Pin 2 (Q6): Parallel output 6.
3. Pin 3 (Q5): Parallel output 5.
4. Pin 4 (Q4): Parallel output 4.
5. Pin 5 (Q3): Parallel output 3.
6. Pin 6 (Q2): Parallel output 2.
7. Pin 7 (Q1): Parallel output 1.
8. Pin 8 (GND): Ground.
9. Pin 9 (MR): Master reset (active low).
10. Pin 10 (SRCLK): Shift register clock input.
11. Pin 11 (SER): Serial data input.
12. Pin 12 (SRCLR): Shift register clear (active low).
13. Pin 13 (OE): Output enable (active low).
14. Pin 14 (RCLK): Register clock input.
15. Pin 15 (VCC): Power supply.
16. Pin 16 (Q0): Parallel output 0.
This device is commonly used in applications requiring data storage and manipulation, such as LED driving and data communication.

Manufacturer

The SN74AHC595DR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Founded in 1930, Texas Instruments is headquartered in Dallas, Texas. The company specializes in the design and production of a wide range of semiconductor products, including analog and digital integrated circuits (ICs), microcontrollers, and embedded processors. TI serves various markets, including consumer electronics, telecommunications, automotive, and industrial applications.
The SN74AHC595DR is a 8-bit shift register with output latch, designed for high-speed applications and compatible with TTL logic levels. It is part of TI's 74 series of logic devices, which are widely used for digital circuit design and integration. Texas Instruments is known for its innovation in the semiconductor industry, focusing on high-performance products that enhance efficiency and functionality in electronic devices.

Application

The SN74AHC595DR is an 8-bit shift register that finds application in various areas, including:
1. Data Storage: Temporary data storage in digital circuits.
2. LED Display Control: Driving LED matrices and displays with reduced pin count.
3. Signal Processing: Serial-to-parallel data conversion in communication systems.
4. Microcontroller Interfaces: Expanding I/O capabilities for microcontrollers and microprocessors.
5. Automation: Control of motors and relays in automation systems.
6. Digital Signal Processing: Used in audio and video equipment for managing data streams.
Its versatility makes it suitable for both consumer electronics and industrial applications.

Package

The SN74AHC595DR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins. The "DR" suffix indicates that it comes in a reel for surface mount applications.

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