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| Parameters | |
|---|---|
| Factory Lead Time | 12 Weeks |
| Packaging | Cut Tape (CT) |
| Series | 74HC |
| Part Status | Active |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | RoHS Compliant |
| Package / Case | 16-SOIC (0.154, 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C~125°C |
| Output Type | Tri-State |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Function | Serial to Parallel |
| Voltage - Supply | 2V~6V |
| Logic Type | Shift Register |
Product Description: 74HC595D 8-Bit Serial-In/Parallel-Out Shift Register
The 74HC595D is an integrated circuit that functions as an 8-bit serial-in/parallel-out shift register. It is widely used in digital electronics for expanding the number of output pins from microcontrollers or other digital devices. With its efficient serial data transfer and parallel output capabilities, the 74HC595D plays a crucial role in applications requiring control of multiple outputs.
Description:
The 74HC595D is a versatile shift register designed to simplify the control of multiple outputs using a minimal number of pins from a microcontroller or digital source. It has an 8-bit storage register with an input shift register and a serial output register. This enables the sequential transfer of data to control multiple outputs while utilizing fewer pins.
Features:
Serial-In/Parallel-Out Operation: The 74HC595D shifts in data serially through a single input pin and transfers the data in parallel to multiple output pins.
Expandable Output Pins: With each 74HC595D added to the circuit, the number of available output pins can be expanded without using additional microcontroller pins.
Daisy Chaining: Multiple 74HC595D chips can be connected in a daisy chain configuration, allowing for even more output expansion.
Cascade Connection: The serial output of one chip can be connected to the serial input of the next, enabling efficient data propagation.
Shift Register Logic: It employs shift register logic to transfer data efficiently and in a synchronized manner.
Clock and Latch Inputs: The shift and storage registers are controlled by clock and latch inputs, allowing for precise data transfer and storage.
3-State Outputs: The outputs can be set to a high-impedance state (disconnected) using the output enable (OE) pin.
Low Power Consumption: The 74HC595D operates with low power consumption, making it suitable for battery-powered devices.
Applications:
The 74HC595D shift register finds applications in various digital electronics scenarios:
LED Displays: It is commonly used to control arrays of LEDs for numeric displays, scrolling messages, or visual effects.
Dot Matrix Displays: Used in dot matrix displays for controlling individual pixels or segments.
Seven-Segment Displays: Applied to control seven-segment displays in applications such as digital clocks and counters.
LED Matrix Displays: Utilized to drive LED matrix displays for graphical information representation.
Multiplexing: Used in multiplexing applications to control multiple devices sequentially.
Motor Control: Employed in motor control circuits to drive various actuators or motors sequentially.
Shifted Data Transmission: Utilized in serial communication systems where data is shifted and then parallelized for processing.
Industrial Automation: Applied in automation systems for controlling various output devices.
Keyboard: The 74HC595D does not include a physical keyboard. Instead, it serves as a crucial component in digital circuits that require efficient control of multiple outputs, such as LEDs, displays, and other devices. Its ability to expand output pins and perform sequential data transfer makes it a valuable tool in a wide range of applications requiring efficient digital control.
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