SN74HC594D

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-speed, Serial-in Parallel-out (SIPO), 8-bit, Non-Inverting
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial data is inputted and then shifted through the register to be parallelly outputted.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Number of Outputs: 8
• Output Current: ±6 mA
• Propagation Delay Time: 20 ns

Detailed Pin Configuration

The SN74HC594D has a total of 16 pins. The pin configuration is as follows:

1. QH' (Output)
2. SER (Serial Data Input)
3. RCLK (Register Clock Input)
4. SRCLK (Shift Register Clock Input)
5. OE (Output Enable Input)
6. GND (Ground)
7. QA (Output)
8. QB (Output)
9. QC (Output)
10. QD (Output)
11. QE (Output)
12. QF (Output)
13. QG (Output)
14. QH (Output)
15. VCC (Supply Voltage)
16. MR (Master Reset Input)

Functional Features

• Serial-in Parallel-out (SIPO) operation
• Non-inverting outputs
• High-speed operation
• Wide supply voltage range
• Output enable for easy control of outputs
• Master reset for clearing the register

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - Non-inverting outputs ensure accurate signal reproduction - Wide supply voltage range provides flexibility in different applications - Output enable feature allows for easy control of outputs - Master reset function enables clearing of the register

Disadvantages: - Limited number of outputs (8) - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74HC594D is a shift register IC that operates in a Serial-in Parallel-out (SIPO) manner. It takes in serial data through the SER pin and shifts it through the register using the SRCLK input. The RCLK input is used to latch the parallel data into the output registers. The outputs (QA to QH) then reflect the parallel data stored in the register.

Detailed Application Field Plans

The SN74HC594D can be used in various applications, including but not limited to:

1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix display, allowing for efficient use of microcontroller pins.
2. Multiplexing: By cascading multiple SN74HC594D ICs, larger numbers of outputs can be achieved, making it suitable for multiplexing applications.
3. Data Storage: The register can be used to store and retrieve data in microcontroller-based systems, providing temporary storage capabilities.
4. Serial Communication: The shift register can be utilized in serial communication protocols to convert serial data into parallel data for further processing.

Detailed and Complete Alternative Models

Some alternative models to the SN74HC594D include:

1. 74HC595: Similar to the SN74HC594D, this IC also functions as an 8-bit shift register with parallel outputs. However, it has a different pin configuration and package type.
2. CD4094: This IC is an 8-stage shift-and-store bus register with three-state outputs. It offers similar functionality to the SN74HC594D but with different specifications and pin configuration.
3. 74LS164: This IC is a 8-bit serial-in parallel-out shift register with asynchronous reset. It can be used as an alternative to the SN74HC594D in certain applications.

(Note: The above alternatives are just a few examples and there may be other suitable alternatives available in the market.)

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