SN74LV595APWT

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: Serial-In, Parallel-Out, 8-Bit, Low-Voltage
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Serial to Parallel Data Conversion
• Packaging/Quantity: Tape and Reel, 2000 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
• Maximum Data Rate: 25 Mbps

Pin Configuration

The SN74LV595APWT has a total of 20 pins. 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. GND (Ground)
6. QH' (Serial Output)
7. QH (Serial 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. QH (Parallel Output)
17. VCC (Supply Voltage)
18. SRCLR (Shift Register Clear Input)
19. SRG (Storage Register Input)
20. SRCLR (Shift Register Clear Input)

Functional Features

• Serial-in to parallel-out data conversion
• Cascadable for larger shift register applications
• Output enable control for multiplexing
• Storage register for latching the parallel outputs
• Low-voltage operation for power efficiency

Advantages and Disadvantages

Advantages: - Easy integration into digital systems - High-speed data transfer - Compact package size - Low power consumption

Disadvantages: - Limited number of parallel outputs (8 bits) - Requires external clock signals for proper operation

Working Principles

The SN74LV595APWT is a shift register IC that converts serial input data into parallel output data. It operates by shifting the input data bit-by-bit through the shift register stages using the shift register clock (SRCLK) input. The data is then latched into the storage register using the register clock (RCLK) input. The parallel outputs reflect the latched data and can be used to control various devices or interface with other digital circuits.

Detailed Application Field Plans

The SN74LV595APWT is widely used in various applications, including:

1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix arrangement, enabling dynamic patterns and animations.
2. Serial-to-Parallel Conversion: It is commonly used to convert serial data from sensors or communication interfaces into parallel data for further processing.
3. Data Multiplexing: The output enable (OE) pin allows for multiplexing multiple devices, reducing the number of I/O pins required.
4. Digital Clocks: The shift register can be used to drive the segments of a digital clock display, providing a simple and efficient solution.

Detailed and Complete Alternative Models

Some alternative models to the SN74LV595APWT include:

1. 74HC595: Similar functionality but operates at a higher voltage range (2V to 6V).
2. CD4094: Offers similar shift register functionality but with additional features like tri-state outputs.
3. TPIC6B595: Designed specifically for driving high-current loads such as LEDs or relays.

These alternative models provide similar functionality and can be used as replacements depending on specific requirements.

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