Texas Instruments

LMC555CMMX  

Programmable Timers and Oscillators

LMC555CMMX Description

The LMC555CMMX is a versatile, high-performance timer/oscillator IC designed and manufactured by Texas Instruments. This single timer IC operates within a wide supply voltage range of 1.5V to 15V and is capable of generating frequencies up to 3MHz. With a surface-mount packaging, it is suitable for a variety of applications in the electronics industry. Despite being classified as obsolete, the LMC555CMMX remains a popular choice due to its unique features and advantages.

LMC555CMMX Features

1. Wide Supply Voltage Range: The LMC555CMMX operates over a wide supply voltage range of 1.5V to 15V, making it suitable for various applications with different power requirements.

2. High Frequency Capability: With a maximum frequency of 3MHz, the LMC555CMMX can generate high-frequency signals, making it ideal for applications requiring precise timing and control.

3. Low Supply Current: The LMC555CMMX consumes only 150 µA of supply current, which is significantly lower than many similar models, making it energy-efficient and suitable for battery-powered applications.

4. Surface Mount Packaging: The LMC555CMMX is available in a surface-mount package, which allows for compact and efficient PCB layouts, reducing overall system size and cost.

5. RoHS Compliance: The LMC555CMMX is compliant with the RoHS3 directive, ensuring that it meets environmental and safety standards for electronic components.

6. REACH Affected: The LMC555CMMX is classified as REACH Affected, indicating that it contains substances of very high concern (SVHCs) as per the European Union's Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation.

LMC555CMMX Applications

The LMC555CMMX is ideal for a wide range of applications in the electronics industry, including:

1. Timing and Control: Due to its high-frequency capability and precise timing, the LMC555CMMX is suitable for applications requiring accurate control of events, such as motor control, robotics, and industrial automation.

2. Oscillator Applications: The LMC555CMMX can be used to generate stable and precise frequency signals for various oscillator applications, such as clock generation, frequency synthesis, and signal processing.

3. Battery-Powered Devices: The low supply current of the LMC555CMMX makes it an excellent choice for battery-powered devices, where energy efficiency is critical, such as portable electronics, wearables, and IoT devices.

4. Automotive Applications: The LMC555CMMX can be used in automotive applications, such as engine control, lighting control, and sensor signal processing, where precise timing and control are essential.

Conclusion of LMC555CMMX

Despite being classified as obsolete, the LMC555CMMX remains a popular choice in the electronics industry due to its unique features and advantages. Its wide supply voltage range, high-frequency capability, low supply current, and surface-mount packaging make it suitable for a variety of applications, including timing and control, oscillator applications, battery-powered devices, and automotive applications. While it is important to consider its REACH Affected status and RoHS compliance, the LMC555CMMX continues to be a reliable and cost-effective solution for many electronic designs.

LMC555CMMX Documents

Download datasheets and manufacturer documentation for LMC555CMMX

PCN Assembly/Origin :

Qualification Copper Wire 17/Feb/2014      

Datasheets :

LMC555      

PCN Obsolescence/ EOL :

Mult Dev EOL 7/Sep/2023      

HTML Datasheet :

LMC555