CD4099BM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics:
  • High-speed CMOS logic
  • 8-bit shift register with input/output latches
  • Serial or parallel data entry
  • Wide supply voltage range: 3V to 18V
• Package: DIP-16 (Dual In-line Package, 16 pins)
• Essence: The CD4099BM is a versatile integrated circuit that combines an 8-bit shift register with input/output latches. It is commonly used in digital logic applications where serial or parallel data entry is required.
• Packaging/Quantity: The CD4099BM is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 3V to 18V
• Operating Temperature Range: -55°C to +125°C
• Input Voltage High Level (VIH): 70% of VDD
• Input Voltage Low Level (VIL): 30% of VDD
• Output Voltage High Level (VOH): 90% of VDD
• Output Voltage Low Level (VOL): 10% of VDD
• Maximum Clock Frequency: 5 MHz

Pin Configuration

The CD4099BM has a total of 16 pins arranged as follows:

+-----+ Q1 |1 16| VDD Q2 |2 15| Q0 Q3 |3 14| SER Q4 |4 13| RCLK Q5 |5 12| SRCLK Q6 |6 11| OE Q7 |7 10| MR GND |8 9| Q7' +-----+

Functional Features

• Shift Register: The CD4099BM features an 8-bit shift register that allows for serial data entry. The data can be shifted in or out using the SRCLK pin.
• Input/Output Latches: The IC also includes input/output latches, which enable parallel data entry and output. The RCLK pin is used to latch the data into the register.
• Master Reset (MR): The MR pin resets the shift register and all outputs to their initial state when pulled low.
• Output Enable (OE): The OE pin controls the output buffer, allowing the user to enable or disable the outputs as needed.

Advantages and Disadvantages

Advantages: - Versatile functionality with both serial and parallel data entry options - Wide supply voltage range allows for compatibility with various systems - High-speed CMOS logic ensures efficient operation - Compact DIP-16 package for easy integration into circuit designs

Disadvantages: - Limited maximum clock frequency of 5 MHz may not be suitable for high-speed applications - Lack of built-in protection features against electrical faults or ESD events

Working Principles

The CD4099BM operates based on the principles of digital logic. It uses a combination of flip-flops and latches to store and manipulate data. The shift register allows for sequential data entry, while the input/output latches enable parallel data transfer. The control pins (RCLK, SRCLK, MR, and OE) provide the necessary signals to control the shifting, latching, and resetting operations.

Application Field Plans

The CD4099BM finds application in various fields where digital logic circuits are required. Some potential application areas include:

1. Serial-to-Parallel Conversion: The shift register functionality of the CD4099BM makes it suitable for converting serial data streams into parallel data formats.
2. Data Storage and Transfer: The input/output latches allow for temporary storage and transfer of data within a digital system.
3. LED Matrix Control: The CD4099BM can be used to control LED matrices by providing the necessary shift and latch functionality.
4. Digital Displays: It can also be employed in applications involving digital displays, such as 7-segment displays or dot matrix displays.

Alternative Models

• CD4099BE: Similar to CD4099BM but with an extended temperature range (-40°C to +85°C).
• CD74HC4099: A high-speed CMOS version of the CD4099BM with improved performance characteristics.
• CD4015B: Dual 4-bit static shift register with parallel input/output capability.

These alternative models offer similar functionality and can be considered as replacements depending on specific requirements.

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