MC74HC4094ADTG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, Serial-to-Parallel Conversion
• Package: SOIC-16
• Essence: The MC74HC4094ADTG is a high-speed CMOS logic IC that performs serial-to-parallel conversion. It is commonly used in various applications where data needs to be shifted and stored in parallel form.
• Packaging/Quantity: The MC74HC4094ADTG is available in a SOIC-16 package and is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Levels: High: 2V to VCC, Low: GND to 0.8VCC
• Output Voltage Levels: High: VCC - 0.5V, Low: 0.5V
• Maximum Clock Frequency: 25 MHz
• Number of Stages: 8
• Serial Data Input: Single-ended, TTL/CMOS compatible
• Parallel Data Output: 3-state, TTL/CMOS compatible

Pin Configuration

The MC74HC4094ADTG has a total of 16 pins arranged as follows:

┌───┬───┬───┬───┬───┬───┬───┬───┐ │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ ├───┼───┼───┼───┼───┼───┼───┼───┤ │ 16│ 15│ 14│ 13│ 12│ 11│ 10│ 9 │ └───┴───┴───┴───┴───┴───┴───┴───┘

• Pin 1: Serial Data Input (DS)
• Pin 2: Clock Input (CP)
• Pin 3: Master Reset Input (MR)
• Pin 4: Output Enable Input (OE)
• Pins 5-12: Parallel Data Outputs (Q0-Q7)
• Pin 13: Serial Data Output (Q7S)
• Pin 14: Serial Data Output Enable (Q7SE)
• Pin 15: VCC (Supply Voltage)
• Pin 16: GND (Ground)

Functional Features

The MC74HC4094ADTG offers the following functional features:

• Serial-to-parallel conversion of data
• High-speed operation with a maximum clock frequency of 25 MHz
• 3-state parallel data outputs for easy interfacing with other devices
• Master reset and output enable inputs for control over data storage and output
• CMOS logic compatibility for wide compatibility with other ICs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - CMOS logic ensures low power consumption - Compact SOIC-16 package enables space-saving designs - Wide operating temperature range for versatile applications

Disadvantages: - Limited number of stages (8) may not be sufficient for certain applications requiring larger shift registers - Lack of built-in error detection or correction mechanisms

Working Principles

The MC74HC4094ADTG operates based on the principle of serial-to-parallel conversion. It receives serial data input (DS) and shifts it through its internal stages with each clock pulse (CP). The data is then stored in parallel form in the output registers. The stored data can be accessed through the parallel data outputs (Q0-Q7) when the output enable input (OE) is active. The master reset input (MR) allows for clearing the register contents, while the serial data output (Q7S) provides a cascading feature to connect multiple devices.

Detailed Application Field Plans

The MC74HC4094ADTG finds applications in various fields where serial-to-parallel conversion is required. Some common application areas include:

1. LED Display Control: The shift register can be used to control the display of LEDs in applications such as scoreboards, signage, and lighting systems.
2. Data Communication: It can be utilized in serial data communication systems to convert incoming serial data into parallel format for further processing.
3. Industrial Automation: The IC can be employed in automation systems to handle data transfer between different modules or devices.
4. Memory Addressing: It can be used in memory addressing circuits to sequentially address memory locations.

Alternative Models

• CD4094