SN74AHCT595DR

Overview

Category: Integrated Circuit (IC)

Use: Shift Register

Characteristics: - High-speed CMOS technology - 8-bit serial-in, parallel-out shift register - Serial data input and output pins - Parallel data output pins - Cascadable for larger shift registers - Wide operating voltage range - Low power consumption

Package: SOIC (Small Outline Integrated Circuit)

Essence: The SN74AHCT595DR is a versatile shift register IC that allows serial-to-parallel data conversion. It is commonly used in digital electronics applications where multiple outputs are required from a single input source.

Packaging/Quantity: The SN74AHCT595DR is available in a standard SOIC package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: 0 V to VCC
• Output Voltage Range: 0 V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Maximum Data Rate: 200 Mbps
• Number of Outputs: 8

Pin Configuration

The SN74AHCT595DR has a total of 16 pins arranged as follows:

+----+--+----+ Q1 |1 +--+ 16| VCC Q2 |2 15| Q0 Q3 |3 14| SER Q4 |4 13| OE Q5 |5 SN74 12| SRCLK Q6 |6 AHC 11| RCLK Q7 |7 T595 10| GND GND |8 9 | Q7' +------------+

Functional Features

• Serial data input (SER) allows shifting of data into the shift register.
• Shift Register Clock (SRCLK) controls the shifting of data bits.
• Storage Register Clock (RCLK) latches the shifted data into the parallel output registers.
• Output Enable (OE) pin enables or disables the outputs.
• Parallel data outputs (Q0-Q7) provide the converted parallel data.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating voltage range - Low power consumption - Cascadable for larger shift registers - Easy integration into digital circuits

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

Working Principles

The SN74AHCT595DR operates based on the principle of serial-to-parallel data conversion. It receives data serially through the SER pin and shifts it into the shift register upon each rising edge of the SRCLK signal. The shifted data is then latched into the parallel output registers upon the rising edge of the RCLK signal. The converted parallel data can be accessed through the Q0-Q7 pins.

Detailed Application Field Plans

The SN74AHCT595DR finds applications in various fields, including: 1. LED matrix displays 2. Seven-segment displays 3. Digital clocks 4. Data storage systems 5. Serial communication interfaces 6. Industrial automation control systems

Alternative Models

Some alternative models to the SN74AHCT595DR include: - CD74HC595E - 74HC595N - MC74HC595AN - HEF4094BP

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

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