Encyclopedia Entry: 74VHC594MTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register with Output Registers
• Characteristics: High-Speed, Low-Power, CMOS Technology
• Package: TSSOP-16
• Essence: Serial-In, Parallel-Out Shift Register with Latched Outputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

The 74VHC594MTR is a high-speed CMOS shift register with output registers. It operates on a wide voltage range of 2.0V to 5.5V, making it suitable for various applications. The IC features an 8-bit serial-in, parallel-out shift register with latched outputs. It utilizes advanced CMOS technology, providing low power consumption and high noise immunity.

Detailed Pin Configuration

The 74VHC594MTR has a total of 16 pins arranged in a TSSOP package. The pin configuration is as follows:

1. SER (Serial Data Input)
2. RCLK (Register Clock Input)
3. SRCLK (Shift Register Clock Input)
4. OE (Output Enable Input)
5. QA (Output A)
6. QB (Output B)
7. QC (Output C)
8. QD (Output D)
9. QE (Output E)
10. QF (Output F)
11. QG (Output G)
12. QH (Output H)
13. VCC (Positive Power Supply)
14. GND (Ground)
15. MR (Master Reset Input)
16. SRCLR (Shift Register Clear Input)

Functional Features

• Serial-In, Parallel-Out Operation: Allows data to be shifted into the register bit by bit and then latched onto the output pins simultaneously.
• Output Enable Control: The OE input enables or disables the outputs, providing flexibility in controlling the data flow.
• Master Reset and Shift Register Clear: The MR and SRCLR inputs allow for resetting the shift register and clearing its contents.
• High-Speed Operation: The IC operates at high clock frequencies, making it suitable for applications requiring fast data transfer.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data processing. - Low power consumption makes it energy-efficient. - Wide voltage range compatibility enhances versatility. - Compact TSSOP package saves board space. - Easy integration into various electronic systems.

Disadvantages: - Limited number of output pins (8 bits). - Lack of built-in error detection or correction mechanisms.

Working Principles

The 74VHC594MTR is designed to receive serial data and convert it into parallel data. When the shift register clock (SRCLK) input receives a pulse, the data bit at the serial data input (SER) is shifted into the first stage of the shift register. With each subsequent clock pulse, the data propagates through the shift register until it reaches the last stage. At this point, the data is latched onto the output pins (QA-QH) when the register clock (RCLK) input receives a pulse. The output enable (OE) input controls whether the latched data appears on the output pins or remains in a high-impedance state.

Detailed Application Field Plans

The 74VHC594MTR can be used in various applications that require serial-to-parallel data conversion and output latching. Some potential application fields include: 1. Data communication systems 2. Industrial automation 3. LED matrix displays 4. Digital audio equipment 5. Instrumentation and measurement devices

Detailed and Complete Alternative Models

• SN74HC595N: Similar shift register with output registers, available in DIP-16 package.
• CD74HC595E: High-speed CMOS shift register with output registers, available in PDIP-16 package.
• 74HCT594N: Shift register with output registers, compatible with TTL logic levels, available in DIP-16 package.

(Note: The above alternative models are provided for reference and may have slight variations in specifications and pin configuration.)

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