SN74AHCT595NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, 8-Bit Serial-In, Parallel-Out
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial to Parallel Data Conversion
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 5.5V
• 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
• Number of Inputs: 3
• Number of Pins: 16

Detailed Pin Configuration

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

Functional Features

• Serial-to-Parallel Conversion: The SN74AHCT595NSR is designed to convert serial data input into parallel outputs.
• High-Speed Operation: With a maximum clock frequency of 100 MHz, it enables fast data transfer.
• CMOS Logic: The IC utilizes CMOS technology, providing low power consumption and high noise immunity.
• Output Enable Control: The OE input allows the user to enable or disable the outputs as needed.
• Shift Register Clear: The SRCLR input clears the shift register, resetting all outputs to a low state.

Advantages and Disadvantages

Advantages

• High-Speed Operation enables quick data transfer.
• CMOS Logic ensures low power consumption and high noise immunity.
• Compact SOIC package allows for easy integration into various electronic systems.
• Output Enable Control provides flexibility in controlling the outputs.

Disadvantages

• Limited number of inputs (3) may restrict certain applications requiring more complex operations.
• Lack of built-in protection features against voltage spikes or ESD events.

Working Principles

The SN74AHCT595NSR is a serial-in, parallel-out shift register. It receives data serially through the SER input and shifts it into its internal register on each rising edge of the SRCLK input. The RCLK input latches the data from the internal register to the parallel outputs. The OE input controls the output enable function, allowing the user to enable or disable the outputs. The SRCLR input clears the shift register, resetting all outputs to a low state.

Detailed Application Field Plans

1. LED Matrix Display: The SN74AHCT595NSR can be used to control an LED matrix display by converting serial data from a microcontroller into parallel outputs that drive the individual LEDs.
2. Serial-to-Parallel Data Conversion: It can be employed in various applications where serial data needs to be converted into parallel format, such as data logging systems or communication interfaces.
3. Address Decoding: The IC can be utilized in address decoding circuits, enabling efficient selection of specific memory locations or peripheral devices.

Detailed and Complete Alternative Models

1. 74HC595: Similar functionality with a wider supply voltage range (2V to 6V).
2. CD4094: 8-stage shift register with complementary outputs.
3. SN74HC164: 8-bit serial-in, parallel-out shift register with a different pin configuration.

(Note: The above alternative models are just a few examples and not an exhaustive list.)

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