CD40109BNSRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Logic level shifting between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 3V to 18V
• Logic Voltage Levels: 3V to 18V
• Input Current: ±10mA
• Output Current: ±25mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD40109BNSRG4 has a total of 16 pins. The pin configuration is as follows:

1. VDD - Positive Power Supply
2. A1 - Input A1
3. B1 - Input B1
4. C1 - Input C1
5. D1 - Input D1
6. GND - Ground
7. D2 - Input D2
8. C2 - Input C2
9. B2 - Input B2
10. A2 - Input A2
11. Q1 - Output Q1
12. Q2 - Output Q2
13. Q3 - Output Q3
14. Q4 - Output Q4
15. OE - Output Enable
16. VSS - Negative Power Supply

Functional Features

• Logic level shifting between different voltage domains
• Bidirectional voltage translation
• High-speed operation
• Low-power consumption
• Wide operating voltage range

Advantages and Disadvantages

Advantages

• Allows interfacing between devices with different logic voltage levels
• Provides bidirectional voltage translation
• High-speed operation enables efficient data transfer
• Low-power consumption for energy-efficient applications
• Wide operating voltage range allows compatibility with various systems

Disadvantages

• May introduce signal delay due to level shifting process
• Requires careful consideration of voltage compatibility to avoid damage to devices

Working Principles

The CD40109BNSRG4 is a logic level shifter that facilitates communication between devices operating at different voltage levels. It utilizes a combination of MOSFETs and diodes to achieve bidirectional voltage translation. The inputs and outputs are designed to handle logic signals ranging from 3V to 18V.

When an input signal is received, the CD40109BNSRG4 shifts the voltage level to match the desired output voltage domain. This allows seamless communication between devices with different logic voltage requirements. The device also features an output enable pin (OE) that can be used to disable the outputs when necessary.

Detailed Application Field Plans

The CD40109BNSRG4 finds application in various fields where logic level shifting is required. Some of the common application areas include:

1. Microcontroller interfacing: Enables communication between microcontrollers operating at different voltage levels.
2. Sensor interfaces: Facilitates connection between sensors and microcontrollers with varying logic voltage requirements.
3. Communication systems: Allows integration of components with different voltage domains in communication systems.
4. Industrial automation: Enables compatibility between different control systems and devices.
5. Consumer electronics: Used in devices such as smartphones, tablets, and gaming consoles for voltage level translation.

Detailed and Complete Alternative Models

1. CD40109BE: DIP package version of CD40109BNSRG4
2. CD40109BM: SOIC package version with extended temperature range
3. CD40109BPW: TSSOP package version with smaller footprint
4. CD40109BF3A: Ceramic package version for enhanced durability

These alternative models provide similar functionality to the CD40109BNSRG4 but may differ in package type, temperature range, or other specifications.