74AHC594D,112

Product Overview

Category

The 74AHC594D,112 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for shift register applications.

Characteristics

• High-speed operation
• Low power consumption
• Wide supply voltage range
• Schmitt-trigger action on all inputs
• Balanced propagation delays
• Direct interface with TTL levels
• Multiple package options available

Package

The 74AHC594D,112 is available in various packages, including SO16, TSSOP16, and DHVQFN16.

Essence

The essence of the 74AHC594D,112 lies in its ability to efficiently shift and store data in a serial-to-parallel manner.

Packaging/Quantity

The IC is typically packaged in reels or tubes, with quantities varying depending on the supplier.

Specifications

• Supply Voltage Range: 2 V to 5.5 V
• Input Voltage Range: -0.5 V to VCC + 0.5 V
• Output Voltage Range: -0.5 V to VCC + 0.5 V
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 100 MHz
• Number of Shift Register Stages: 8

Detailed Pin Configuration

The 74AHC594D,112 has a total of 16 pins, each serving a specific function:

1. Q0: Serial output
2. Q1: Parallel output
3. Q2: Parallel output
4. Q3: Parallel output
5. Q4: Parallel output
6. Q5: Parallel output
7. Q6: Parallel output
8. Q7: Parallel output
9. GND: Ground
10. SER: Serial input
11. OE: Output enable
12. ST_CP: Storage register clock input
13. SH_CP: Shift register clock input
14. MR: Master reset
15. VCC: Supply voltage
16. Q7S: Serial output for cascading multiple devices

Functional Features

The 74AHC594D,112 offers the following functional features:

• Serial-to-parallel data conversion
• Cascadable for larger shift register applications
• Output enable control for easy data manipulation
• Master reset for clearing the shift and storage registers

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer
• Low power consumption makes it suitable for battery-powered devices
• Wide supply voltage range provides flexibility in various applications
• Schmitt-trigger action on all inputs ensures reliable signal processing
• Direct interface with TTL levels simplifies integration with other components

Disadvantages

• Limited number of shift register stages (8)
• May require additional components for certain applications

Working Principles

The 74AHC594D,112 operates based on the principle of serial-in, parallel-out shifting. It receives data serially through the SER pin and shifts it through the internal shift register upon each rising edge of the SHCP input. The data is then stored in the storage register upon a rising edge of the STCP input. The parallel outputs (Q0-Q7) reflect the stored data, which can be accessed simultaneously.

Detailed Application Field Plans

The 74AHC594D,112 finds application in various fields, including but not limited to:

1. LED matrix displays
2. Multiplexed seven-segment displays
3. Data storage and retrieval systems
4. Serial data communication interfaces
5. Industrial automation control systems
6. Robotics and motor control circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74AHC594D,112 include:

1. 74HC595
2. CD4094
3. SN74HC595
4. TPIC6B595

These alternatives can be considered based on specific requirements and availability.

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