CD74HCT4094EG4

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 Data Rate: 25 Mbps

Detailed Pin Configuration

The CD74HCT4094EG4 has a total of 16 pins. The pin configuration is as follows:

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

Functional Features

• High-speed operation allows for efficient data transfer.
• CMOS logic ensures low power consumption.
• 8-bit serial-in, parallel-out shift register enables serial-to-parallel data conversion.
• Output enable input (OE) allows for easy control of output states.
• Serial clear input (SRCLR) resets the shift register to its initial state.

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data processing. - CMOS logic ensures low power consumption. - Compact SOIC package allows for easy integration into various electronic systems. - Serial-to-parallel data conversion simplifies data handling.

Disadvantages: - Limited number of output pins restricts the maximum parallel output capability. - Requires external clock signals for proper operation.

Working Principles

The CD74HCT4094EG4 is a shift register that converts serial data input into parallel data output. The serial data is loaded into the shift register on each rising edge of the serial clock input (SRCLK). The parallel data is then available at the outputs (Q1-Q8) when the register clock input (RCLK) is triggered. The output enable input (OE) controls the output states, allowing for easy manipulation of the parallel data. The serial clear input (SRCLR) resets the shift register to its initial state.

Detailed Application Field Plans

The CD74HCT4094EG4 can be used in various applications, including:

1. LED Displays: The shift register can be used to control multiple LEDs, enabling dynamic lighting effects.
2. Data Storage: It can be utilized as part of a memory system to store and retrieve data efficiently.
3. Serial Communication: The shift register can be employed in serial communication protocols to convert serial data into parallel format.

Detailed and Complete Alternative Models

Some alternative models to the CD74HCT4094EG4 include:

1. 74HC595: 8-bit serial-in, serial-out shift register with similar functionality.
2. CD4015: Dual 4-stage static shift register with parallel/serial data entry and complementary outputs.
3. SN74LS164: 8-bit serial-in, parallel-out shift register with asynchronous clear.

These alternative models offer similar features and can be used as substitutes depending on specific requirements.

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