CD4094BE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Shift Register
• Characteristics:
  • Serial-in, parallel-out shift register
  • 8-bit storage register with 3-state outputs
  • Wide operating voltage range: 3V to 18V
  • High-speed operation: 8MHz clock frequency
• Package: PDIP-16 (Plastic Dual In-Line Package)
• Essence: The CD4094BE is a CMOS-based integrated circuit that serves as an 8-bit serial-in, parallel-out shift register. It is commonly used for data storage and transfer applications.
• Packaging/Quantity: The CD4094BE is typically sold in tubes or reels containing 25 pieces.

Specifications

• Supply Voltage Range: 3V to 18V
• Input Voltage Range: 0V to VDD
• Operating Temperature Range: -55°C to +125°C
• Clock Frequency: Up to 8MHz
• Output Current: ±6mA
• Propagation Delay: 60ns (max)
• Power Dissipation: 500mW (max)

Detailed Pin Configuration

The CD4094BE has a total of 16 pins, which are assigned specific functions:

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

Functional Features

• Serial-in, parallel-out data transfer
• 8-bit storage register with 3-state outputs
• Cascadable for larger shift register applications
• Output enable control for easy interfacing
• CMOS technology for low power consumption
• Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages: - High-speed operation enables quick data transfer - Low power consumption due to CMOS technology - Cascadable design allows for expansion of shift register size - Output enable control simplifies interfacing with other devices

Disadvantages: - Limited output current capacity - Propagation delay may affect timing-sensitive applications - Requires external clock signal for proper operation

Working Principles

The CD4094BE operates based on the principle of serial-in, parallel-out data transfer. It receives data serially through the SER pin and shifts it into the internal shift register upon each rising edge of the SRCLK input. The RCLK input is used to latch the data from the shift register into the storage register, making it available at the parallel output pins (Q0-Q7). The OE input controls the output enable function, allowing the user to enable or disable the outputs as needed.

Detailed Application Field Plans

The CD4094BE finds applications in various fields, including:

1. LED Displays: It can be used to control LED segments in numeric displays, scrolling message boards, or dot matrix displays.
2. Data Storage: The shift register functionality makes it suitable for storing and transferring data in microcontroller-based systems.
3. Serial-to-Parallel Conversion: It can convert serial data streams into parallel data for interfacing with other devices.
4. Digital Clocks: The CD4094BE can be utilized to control the display of hours, minutes, and seconds in digital clocks.
5. Automotive Electronics: It finds use in automotive applications such as dashboard displays, odometers, and gear indicators.

Detailed and Complete Alternative Models

1. 74HC595: This IC offers similar functionality to the CD4094BE and is widely used in shift register applications.
2. SN74LS164: Another alternative with comparable features, suitable for serial-in, parallel-out data transfer.
3. CD4021B: This IC provides parallel-in, serial-out shift register functionality, which may be useful in certain applications.

These alternative models can be considered based on specific project requirements and availability.

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