CD74HCT4094M96E4

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-Speed, CMOS Logic, 8-Bit Serial-In/Parallel-Out
• Package: SOIC-16
• Essence: The CD74HCT4094M96E4 is a high-speed CMOS logic integrated circuit that serves as an 8-bit serial-in/parallel-out shift register. It is commonly used in digital electronics for data storage and transfer applications.
• Packaging/Quantity: The CD74HCT4094M96E4 is available in a standard SOIC-16 package and is typically sold in reels of 2500 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
• Maximum Data Transfer Rate: 25 Mbps

Pin Configuration

The CD74HCT4094M96E4 has a total of 16 pins arranged as follows:

1. Q7' (Serial Output)
2. Q7 (Parallel Output)
3. Q6 (Parallel Output)
4. Q5 (Parallel Output)
5. Q4 (Parallel Output)
6. Q3 (Parallel Output)
7. Q2 (Parallel Output)
8. Q1 (Parallel Output)
9. GND (Ground)
10. SER (Serial Input)
11. SRCLK (Shift Register Clock)
12. RCLK (Register Clock)
13. OE (Output Enable)
14. MR (Master Reset)
15. VCC (Supply Voltage)
16. Q0 (Parallel Output)

Functional Features

• Serial-In/Parallel-Out: The CD74HCT4094M96E4 allows data to be serially inputted and then parallelly outputted.
• High-Speed Operation: With a maximum clock frequency of 25 MHz, this shift register can handle high-speed data transfer.
• CMOS Logic: The use of CMOS technology ensures low power consumption and compatibility with other CMOS devices.
• Output Enable Control: The OE pin allows the user to enable or disable the outputs as needed.
• Master Reset: The MR pin provides a means to reset the shift register to its initial state.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer.
• CMOS logic ensures low power consumption.
• Compact SOIC-16 package allows for easy integration into electronic circuits.
• Output enable control provides flexibility in managing output states.
• Master reset feature allows for easy initialization.

Disadvantages

• Limited number of parallel outputs (8 bits).
• Requires external clock signals for proper operation.
• Not suitable for applications requiring a large number of parallel outputs.

Working Principles

The CD74HCT4094M96E4 operates based on the principle of shifting data through a series of flip-flops. When a clock signal is applied to the SRCLK pin, the data at the SER pin is shifted into the first flip-flop. Subsequent clock pulses cause the data to propagate through the remaining flip-flops until it reaches the last one. At this point, the data is available at the parallel output pins (Q0-Q7). The RCLK pin is used to latch the parallel outputs, allowing them to hold their values even when the clock signal stops.

Detailed Application Field Plans

The CD74HCT4094M96E4 can be used in various applications, including:

1. LED Matrix Displays: The shift register can be used to control the rows or columns of an LED matrix display, allowing for efficient multiplexing.
2. Serial-to-Parallel Conversion: It can be employed to convert serial data into parallel format, which is useful in applications such as data acquisition systems.
3. Data Storage and Transfer: The shift register can be utilized for temporary storage and transfer of data within digital systems.

Detailed and Complete Alternative Models

• SN74HC4094: This is a similar 8-bit serial-in/parallel-out shift register from Texas Instruments. It operates at a lower voltage range (2V to 5.5V) compared to the CD74HCT4094M96E4.
• 74HC595: This is another popular shift register IC that offers both serial-in/parallel-out and serial-out/parallel-out functionality. It has a higher number of parallel outputs (8 bits) compared to the CD74HCT4094M96E4.

In conclusion, the