MC74HCT595ADG

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, 8-Bit Serial-In, Parallel-Out Shift Register
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The MC74HCT595ADG is a versatile shift register that can be used in various applications requiring serial-to-parallel data conversion.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Logic Family: HCT
• Number of Bits: 8
• Input Type: Serial
• Output Type: Parallel
• Clock Frequency: Up to 25 MHz
• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74HCT595ADG has a total of 16 pins. Here is the detailed pin configuration:

1. SER (Serial Data Input)
2. SRCLK (Shift Register Clock Input)
3. RCLK (Register Clock Input)
4. OE (Output Enable Input)
5. GND (Ground)
6. Q7' (Serial Output)
7. Q7 (Parallel Output)
8. DS (Serial Data Output)
9. QA (Parallel Output)
10. QB (Parallel Output)
11. QC (Parallel Output)
12. QD (Parallel Output)
13. QE (Parallel Output)
14. QF (Parallel Output)
15. QG (Parallel Output)
16. VCC (Supply Voltage)

Functional Features

• Serial-to-Parallel Conversion: The MC74HCT595ADG allows for easy conversion of serial data into parallel output.
• Cascadable: Multiple MC74HCT595ADG shift registers can be cascaded to expand the number of output bits.
• High-Speed Operation: With a clock frequency of up to 25 MHz, it enables fast data transfer.
• Output Enable Control: The OE pin allows for enabling or disabling the outputs as needed.

Advantages and Disadvantages

Advantages: - Versatile and widely used in various applications. - Easy integration with other components. - High-speed operation allows for efficient data transfer. - Cascadable for expanding output capacity.

Disadvantages: - Limited to 8-bit parallel output. - Requires external clock signals for proper operation.

Working Principles

The MC74HCT595ADG operates based on the principle of serial-in, parallel-out shifting. It receives serial data through the SER pin and shifts it into an internal register using the SRCLK input. The RCLK input is used to latch the data from the internal register onto the parallel output pins. The output enable (OE) pin controls the activation of the outputs.

Detailed Application Field Plans

The MC74HCT595ADG is commonly used in various applications, including:

1. LED Matrix Displays: It can be used to control multiple LEDs in a matrix configuration, allowing for dynamic display patterns.
2. Serial Data Communication: It facilitates the conversion of serial data streams into parallel format, making it suitable for communication protocols.
3. Digital Clocks: The shift register can be utilized to drive the segments of a digital clock display, enabling timekeeping functionality.
4. Data Storage: It can be employed as part of a larger memory system to store and retrieve data efficiently.

Detailed and Complete Alternative Models

1. SN74HC595: Similar shift register IC with comparable specifications and pin configuration.
2. CD4094: Another popular shift register IC with different features and pinout.
3. 74LS164: A low-power shift register IC suitable for specific applications.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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