MC74HCT4094ADG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics:
  • High-Speed CMOS Logic
  • 8-Bit Serial-In, Parallel-Out Shift Register
  • Output Latches for Easy Interface with Microcontrollers
• Package: SOIC-16
• Essence: The MC74HCT4094ADG is a high-speed CMOS shift register that can be used to convert serial data into parallel output. It is commonly used in applications where data needs to be transferred and stored in a sequential manner.
• Packaging/Quantity: The MC74HCT4094ADG is typically sold in reels or tubes containing 250 units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Voltage Levels:
  • High Level (VIH): 3.15V to VCC
  • Low Level (VIL): GND to 1.35V
• Output Voltage Levels:
  • High Level (VOH): VCC - 0.5V
  • Low Level (VOL): 0.5V

Pin Configuration

The MC74HCT4094ADG has a total of 16 pins arranged as follows:

+---+--+---+ Q7 |1 +--+ 16| VCC Q6 |2 15| Q0 Q5 |3 14| DS (Serial Data Input) Q4 |4 13| ST_CP (Latch Clock Input) Q3 |5 12| SH_CP (Shift Clock Input) Q2 |6 11| MR (Master Reset Input) Q1 |7 10| OE (Output Enable Input) GND |8 9| Q0' +---------+

Functional Features

• Serial-In, Parallel-Out: The MC74HCT4094ADG allows serial data to be shifted in and stored in its internal registers. The parallel outputs can then be accessed simultaneously.
• Output Latches: The output latches enable easy interfacing with microcontrollers or other devices by holding the output values stable until new data is loaded.
• High-Speed CMOS Logic: The IC operates at high speeds while consuming low power due to its CMOS technology.

Advantages and Disadvantages

Advantages: - High-speed operation - Easy interface with microcontrollers - Low power consumption

Disadvantages: - Limited number of parallel outputs (8 bits)

Working Principles

The MC74HCT4094ADG works based on the principle of shifting data through its internal registers. The shift clock input (SHCP) controls the shifting of data from one register to another. The latch clock input (STCP) controls the transfer of data from the internal registers to the output pins. The master reset input (MR) resets the internal registers to their initial state.

Detailed Application Field Plans

The MC74HCT4094ADG is commonly used in various applications, including:

1. LED Displays: It can be used to control multiple LEDs in a sequential manner, allowing for dynamic lighting effects.
2. Data Storage: It can be used to store and transfer data in systems where parallel communication is required.
3. Serial-to-Parallel Conversion: It can convert serial data received from sensors or other devices into parallel format for further processing.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MC74HCT4094ADG include:

1. 74HC4094: This is a similar shift register IC with comparable specifications and pin configuration.
2. CD4094: Another alternative that provides similar functionality but may have different voltage requirements.

These alternative models can be considered based on specific project requirements and availability.

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