TM74HC595

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TM74HC595

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  • ManufacturerTM(Shenzhen Titan Micro Elec)

  • Mfr. Part #TM74HC595

  • In Stock7122

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Specifications

Attribute Value
Manufacturer TM(Shenzhen Titan Micro Elec)
Package SOP-16

Overview

Description

The TM74HC595 is an 8-bit serial-in, parallel-out shift register with an output latch. It is commonly used in digital circuits to expand the number of output pins available from a microcontroller, enabling control of multiple devices like LEDs, displays, or sensors using minimal I/O pins.
The device operates at high speeds and supports a wide voltage range, making it versatile for various applications. Data is input in a serial format, allowing the user to shift bits into the register, which can then be output in parallel form. By chaining multiple TM74HC595s, you can control even more outputs from a single microcontroller.
Key features include:
- Cascading capability for expanding output
- Low power consumption
- Built-in latch for maintaining output state
- Control of individual outputs via a simple clock and latch mechanism.
Overall, the TM74HC595 is an essential component for efficient digital design and interface applications.

Equivalent

Equivalent products to the TM74HC595 chip include the 74HC595 74HC164, and 74HC_HC595. Other similar shift register alternatives are the 74HC_SN74HC595 and the CD4094. Additionally, some microcontroller integrated circuits may offer comparable functionalities, such as the MCP23017 or the MAX7219, depending on specific application needs. Always verify compatibility based on electrical characteristics and packaging.

Features

The TM74HC595 is an 8-bit serial-in, parallel-out shift register with several key features:
1. Data Storage: It allows serial data input, which can be shifted out in parallel form, making it ideal for expanding the number of output pins on microcontrollers.
2. Cascade Capability: Multiple 74HC595 chips can be cascaded to increase output capacity, enabling control of up to 64 outputs with just a few pins.
3. Output Latch: The device includes a storage register that latches output data, allowing stable output while new data is being shifted in.
4. Driver Capability: It can drive LEDs and other loads directly, with output current ratings up to 35 mA per pin.
5. High Speed: Operates at high speed, capable of data shifting at up to 110 MHz.
6. Low Power Consumption: It features low power usage, making it suitable for battery-operated devices.
7. Wide Operating Voltage: Compatible with a wide voltage range (2V to 6V), enhancing versatility in different applications.
These features make the TM74HC595 a popular choice in various digital applications.

Pinout

The TM74HC595 is an 8-bit shift register with output latches, commonly used for driving LEDs and other outputs in digital circuits. It has a total of 16 pins, which serve the following functions:
1. Pin 1 (QA) - Output Q7.
2. Pin 2 (QB) - Output Q6.
3. Pin 3 (QC) - Output Q5.
4. Pin 4 (QD) - Output Q4.
5. Pin 5 (QE) - Output Q3.
6. Pin 6 (QF) - Output Q2.
7. Pin 7 (QG) - Output Q1.
8. Pin 8 (QH) - Output Q0.
9. Pin 9 (GND) - Ground.
10. Pin 10 (DS) - Data input (Serial data).
11. Pin 11 (SH_CP) - Shift register clock input.
12. Pin 12 (ST_CP) - Storage register clock input (Latch).
13. Pin 13 (OE) - Output enable (active low).
14. Pin 14 (MR) - Master reset (active low).
15. Pin 15 (VCC) - Power supply (typically +2V to +6V).
16. Pin 16 (R) - Not connected (or reserved).
This device allows for efficient control of multiple outputs using fewer microcontroller pins.

Manufacturer

The TM74HC595 is manufactured by Texas Instruments (TI), a globally recognized semiconductor company. Founded in 1930, Texas Instruments is known for designing and manufacturing a wide range of electronic components, primarily focusing on analog and embedded processing technologies. The company serves various industries, including automotive, industrial, communications, and consumer electronics, providing solutions that facilitate advancements in these sectors. Texas Instruments is particularly renowned for its innovation in integrated circuits, microcontrollers, and digital signal processors, making it a key player in the electronics industry. The TM74HC595 itself is an 8-bit shift register with an output latch, widely used in applications requiring data storage and transfer, such as driving LEDs, multiplexing, and other digital logic functions.

Application

The TM74HC595 is an 8-bit shift register with an output latch, commonly used in various applications such as:
1. LED Displays: Driving multiple LEDs in series for multiplexed displays.
2. Serial to Parallel Conversion: Converting serial data from microcontrollers into parallel output for controlling devices.
3. Digital Outputs Expansion: Expanding output pins of microcontrollers to control more devices.
4. Data Storage: Holding data temporarily in digital circuits.
5. Control Systems: Managing multiple inputs/outputs in automation and robotics.
6. Sound Generation: Generating waveforms for sound synthesis.
Its versatility makes it ideal for many electronic projects and systems.

Package

The TM74HC595 is typically available in a 16-pin dual in-line package (DIP) and a surface mount package (such as TSSOP or SOIC). The DIP version is commonly used for prototyping and breadboarding, while surface mount variants are preferred for compact and high-density applications.