Encyclopedia Entry: 74ACT16541DL

Product Overview

Category

The 74ACT16541DL belongs to the category of integrated circuits (ICs) and specifically falls under the family of digital logic devices.

Use

This IC is commonly used in electronic circuits for data storage and transfer applications. It serves as a 16-bit parallel-in/parallel-out (PIPO) shift register with 3-state outputs.

Characteristics

• 16-bit PIPO shift register
• 3-state outputs
• High-speed operation
• Low power consumption
• Wide operating voltage range
• Robust design for noise immunity

Package

The 74ACT16541DL is available in a dual in-line package (DIP) format, which consists of 48 pins arranged in two rows of 24 pins each.

Essence

The essence of this IC lies in its ability to efficiently store and transfer digital data in parallel form, making it suitable for various applications requiring data manipulation and control.

Packaging/Quantity

The 74ACT16541DL is typically packaged in tubes or reels, with quantities varying depending on the manufacturer and customer requirements.

Specifications

• Supply Voltage Range: 2.0V to 6.0V
• 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
• Propagation Delay: 5 ns (typical)

Detailed Pin Configuration

The pin configuration of the 74ACT16541DL is as follows:

┌───┐ QA ─┤1 48├─ VCC QB ─┤2 47├─ GND QC ─┤3 46├─ QD QD ─┤4 45├─ QE QE ─┤5 44├─ QF QF ─┤6 43├─ QG QG ─┤7 42├─ QH QH ─┤8 41├─ MR GND ─┤9 40├─ OE D0 ─┤10 39├─ D1 D1 ─┤11 38├─ D2 D2 ─┤12 37├─ D3 D3 ─┤13 36├─ D4 D4 ─┤14 35├─ D5 D5 ─┤15 34├─ D6 D6 ─┤16 33├─ D7 D7 ─┤17 32├─ GND CP ─┤18 31├─ CE GND ─┤19 30├─ A A ─┤20 29├─ B B ─┤21 28├─ C C ─┤22 27├─ D D ─┤23 26├─ GND GND ─┤24 25├─ QA └───┘

Functional Features

• Parallel-in/parallel-out (PIPO) operation: Allows simultaneous loading and retrieval of data.
• 3-state outputs: Enables the IC to be connected to multiple devices without causing conflicts.
• Master Reset (MR) input: Resets the shift register to its initial state.
• Output Enable (OE) input: Enables or disables the outputs.
• Clock (CP) input: Controls the shifting of data within the register.
• Data (D0-D7) inputs: Used for loading data into the register.
• Address (A, B, C, D) inputs: Selects the output pins for reading.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range provides flexibility in various applications.
• Robust design ensures reliable performance even in noisy environments.

Disadvantages

• Limited storage capacity compared to other types of memory devices.
• Requires external control signals for proper operation.
• Not suitable for applications requiring continuous data streaming.

Working Principles

The 74ACT16541DL operates based on the principle of parallel-in/parallel-out (PIPO) shift registers. It stores data in a series of flip-flops and allows simultaneous loading and