CD74HC4094MT

Product Overview

• Category: Integrated Circuit
• Use: Shift Register
• Characteristics: High-speed, CMOS logic, 8-bit serial-in, parallel-out shift register
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Serial-to-parallel data conversion
• Packaging/Quantity: Tape and Reel, 2500 units 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
• Number of Stages: 8
• Output Drive Capability: 10 LSTTL Loads

Detailed Pin Configuration

The CD74HC4094MT 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. STCP (Storage Register Clock Input)
15. SHCP (Shift Register Clock Input)
16. VCC (Supply Voltage)

Functional Features

• Serial-in, parallel-out data conversion
• High-speed operation with CMOS logic
• Cascadable for larger shift registers
• Output enable control for multiplexing applications
• Wide supply voltage range for flexibility

Advantages and Disadvantages

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

Disadvantages: - Limited number of stages (8) may not be sufficient for certain applications requiring more parallel outputs - TSSOP package may be challenging to solder for inexperienced users

Working Principles

The CD74HC4094MT is a serial-in, parallel-out shift register. It converts serial data input into parallel output. The shift register clock (SRCLK) controls the shifting of data bits from the serial input (SER) to the parallel outputs (Q1-Q8). The storage register clock (STCP) latches the shifted data into the output registers. The register clock (RCLK) transfers the latched data to the output pins. The output enable (OE) pin allows for enabling or disabling the outputs.

Detailed Application Field Plans

The CD74HC4094MT can be used in various applications, including:

1. LED Matrix Displays: The shift register can be used to control multiple LEDs in a matrix display, allowing for efficient control and reduced pin count.
2. Data Communication Systems: It can be utilized in serial-to-parallel data conversion for transmitting and receiving data between different systems.
3. Industrial Automation: The shift register can be employed in controlling various industrial devices, such as motors, sensors, and actuators.
4. Digital Counters: It can be used in building digital counters for counting events or pulses.

Detailed and Complete Alternative Models

1. 74HC595: Similar to CD74HC4094MT, but with a different pin configuration and 8-bit serial-in, serial-out shift register functionality.
2. SN74HC164: A 8-bit serial-in, parallel-out shift register with a different pin configuration and slightly different specifications.
3. CD4015: A dual 4-bit static shift register with parallel outputs, suitable for more complex applications.

Note: The above alternative models are just a few examples, and there are several other alternatives available in the market.

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