CD74HC4094NSR

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-speed, CMOS logic, 8-bit serial-in, parallel-out shift register
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Serial-to-parallel data conversion
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 25 MHz
• Maximum Propagation Delay: 60 ns

Detailed Pin Configuration

The CD74HC4094NSR has a total of 16 pins. The pin configuration is as follows:

1. Q1 (Output)
2. Q2 (Output)
3. Q3 (Output)
4. Q4 (Output)
5. Q5 (Output)
6. Q6 (Output)
7. Q7 (Output)
8. Q8 (Output)
9. GND (Ground)
10. SER (Serial Data Input)
11. SRCLK (Shift Register Clock Input)
12. RCLK (Register Clock Input)
13. OE (Output Enable Input)
14. SRCLR (Shift Register Clear Input)
15. QA (Output)
16. VCC (Supply Voltage)

Functional Features

• Serial-in, parallel-out shift register operation
• Cascadable for larger shift register applications
• High-speed operation with CMOS logic
• Output enable control for easy data manipulation
• Shift register clear function for initialization

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick data transfer - CMOS logic ensures low power consumption - Cascadable design enables the creation of larger shift registers - Output enable control provides flexibility in data manipulation

Disadvantages: - Limited maximum clock frequency compared to some other shift register ICs - Propagation delay may affect timing-sensitive applications

Working Principles

The CD74HC4094NSR is a serial-in, parallel-out shift register. It converts serial data input into parallel output. The shift register operates based on clock signals provided to the SRCLK (Shift Register Clock Input) and RCLK (Register Clock Input) pins. When clocked, the serial data is shifted through the register, and the parallel outputs reflect the current state of the shift register.

The output enable (OE) pin allows for enabling or disabling the outputs, providing control over when the data is visible at the output pins. The shift register clear (SRCLR) pin resets the shift register to its initial state.

Detailed Application Field Plans

The CD74HC4094NSR can be used in various applications, including:

1. LED Display Control: The shift register can be used to control multiple LEDs in a display, allowing for efficient control of individual segments or pixels.
2. Data Storage: The parallel outputs of the shift register can be used to store data temporarily before further processing.
3. Serial-to-Parallel Conversion: The IC can convert serial data streams into parallel data, which is useful in applications such as communication protocols or data transmission.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CD74HC4094NSR are:

1. 74HC595: 8-bit serial-in, parallel-out shift register with output latch.
2. CD4015: Dual 4-stage static shift register with parallel outputs.
3. SN74LS164N: 8-bit serial-in, parallel-out shift register with asynchronous reset.

These alternative models provide options with different features and specifications, allowing users to choose the most suitable shift register for their specific application.

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