MM74HC595MX

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MM74HC595MX

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SERIAL IN PARALLEL OUT, HC/UH SE

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Specifications

Attribute Value
Package Bulk
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 ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

Overview

Description

The MM74HC595MX is a high-speed CMOS device from the 74HC series, functioning as an 8-bit serial-in, serial or parallel-out shift register with a storage register and tri-state outputs. It is commonly used for expanding the number of output pins available from microcontrollers or other digital devices. Key features include:
1. Serial Input and Output: Data is clocked in serially and can be output either serially or parallel. This allows for daisy chaining multiple registers to control a larger number of outputs.
2. Latch Functionality: It includes a separate latch that holds the data, allowing for the outputs to be updated simultaneously.
3. Tri-State Outputs: The outputs can be set to high, low, or high-impedance state, facilitating easy bus interfacing.
4. High-Speed Operation: It operates at TTL voltage levels with a high-speed CMOS technology that ensures low power consumption and fast operation.
5. Applications: Ideal for LED displays, keypads, and other applications where multiple outputs are controlled by limited input pins.
Overall, the MM74HC595MX is a versatile component for digital circuit design requiring efficient pin usage and output control.

Equivalent

The MM74HC595MX is an 8-bit shift register with output latches, commonly used for serial-to-parallel data conversion. Equivalent products include:
1. 74HC595 by Texas Instruments
2. SN74HC595N by Texas Instruments
3. CD74HC595 by Texas Instruments
4. HEF495 by NXP Semiconductors
5. MC74HC595 by ON Semiconductor
These chips perform similar functions and can often be used interchangeably in circuits. Always confirm pin compatibility and specifications before substituting.

Features

The MM74HC595MX is an 8-bit serial-in, serial or parallel-out shift register with a storage register and 3-state outputs. It features a wide supply voltage range of 2V to 6V, making it versatile for various applications. The device operates at high speeds with low power consumption, typical of the 74HC logic family. It includes a serial data input (DS), two clock inputs (SH_CP for the shift register, ST_CP for the storage register), and a direct clear input (MR) for resetting the shift register. The parallel outputs Q0 to Q7 can be in three states, allowing for easy interfacing with microcontrollers and other digital circuits. The MM74HC595MX is ideal for driving LEDs, expanding I/O ports, or for use in display applications. Additionally, its compact SOIC-16 package makes it suitable for space-constrained designs. The high noise immunity and symmetrical drive characteristics further enhance its reliability in digital systems.

Pinout

The MM74HC595MX is a high-speed CMOS 8-bit shift register with output latches, commonly used for expanding I/O ports in microcontroller projects. It comes in a 16-pin package. Here is a brief overview of its pin functions:
1. Q1-Q7 (pins 1-7): Parallel output pins for the first 7 bits of the shift register.
2. GND (pin 8): Ground pin for the device.
3. Q7S (pin 9): Serial output, used for cascading multiple shift registers.
4. MR (pin 10): Master reset, active low. Clears the shift register when low.
5. SH_CP (pin 11): Shift register clock input. Data is shifted on the rising edge.
6. ST_CP (pin 12): Storage register clock input. Transfers data to the output on the rising edge.
7. OE (pin 13): Output enable, active low. Disables outputs when high.
8. DS (pin 14): Serial data input.
9. VCC (pin 16): Positive supply voltage.
In summary, the MM74HC595MX is useful for controlling multiple outputs using a limited number of microcontroller pins, due to its ability to shift and store data.

Manufacturer

The MM74HC595MX is manufactured by ON Semiconductor, a company that specializes in semiconductors. ON Semiconductor produces a wide range of products including power and signal management, logic, discrete, and custom devices for various industries such as automotive, communications, computing, consumer, industrial, medical, and military/aerospace. The company is known for providing energy-efficient innovations, which help customers reduce global energy use. ON Semiconductor operates on a global scale, offering solutions that improve efficiency and performance while reducing environmental impact.

Application

The MM74HC595MX is an 8-bit serial-in, parallel-out shift register commonly used for expanding the number of output pins available in microcontroller applications. Its main application areas include:
1. LED Displays: Controlling multiple LEDs or LED matrices with limited I/O pins.
2. Data Acquisition Systems: Extending I/O capabilities for data logging or sensor interfacing.
3. Relay Control: Managing multiple relays in automation systems.
4. Signal Processing: Buffering and shifting data in digital signal processing circuits.
5. Stepper Motor Control: Controlling stepper motors in robotics and CNC machines.
6. Switch Debouncing: Handling input from multiple switches or buttons.
These applications benefit from its ability to efficiently manage multiple outputs with minimal pin usage.

Package

The MM74HC595MX is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package. This package type is surface-mount, making it suitable for compact and densely populated electronic circuit boards.

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