LMC555CMMX
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Texas Instruments LMC555CMMX

Manufacturer No:
LMC555CMMX
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC OSC SINGLE TIMER 3MHZ 8VSSOP
Delivery:
Payment:
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Product Introduction

Overview

The LMC555CMMX from Texas Instruments is a CMOS version of the industry-standard 555 series general-purpose timers. It offers enhanced performance with lower power dissipation and reduced supply current spikes compared to its bipolar counterparts. Available in various packages, including the industry's smallest 8-bump DSBGA package, the LMC555CMMX is designed for applications requiring precise timing and low power consumption. It operates in both monostable and astable modes, allowing it to function as a one-shot pulse generator or a continuous oscillator.

Key Specifications

Parameter Min Max Units
Operating Temperature Range -40 85 °C
Supply Operating Voltage 1.5 15 V
Maximum Frequency 3.0 MHz
Output Rise and Fall Times 15 ns
Power Dissipation at 5V Supply < 1 mW
Output Current Levels -10 50 mA
Reset, Trigger, and Threshold Currents 10 pA
Package Types SOIC, VSSOP, PDIP, DSBGA

Key Features

  • Fast astable frequency of up to 3MHz
  • Available in industry's smallest 8-bump DSBGA package (1.43mm × 1.41mm)
  • Less than 1mW typical power dissipation at 5V supply
  • 1.5V specified supply operating voltage
  • Output fully compatible with TTL and CMOS logic at 5V supply
  • Tested to -10mA, 50mA output current levels
  • Reduced supply current spikes during output transitions
  • Extremely low reset, trigger, and threshold currents
  • Excellent temperature stability
  • Pin-for-pin compatible with 555 series of timers

Applications

  • Precision timing
  • Pulse generation
  • Sequential timing
  • Time delay generation
  • Pulse width modulation
  • Pulse position modulation
  • Linear ramp generators

Q & A

  1. What is the maximum operating frequency of the LMC555CMMX?

    The maximum operating frequency of the LMC555CMMX is up to 3MHz.

  2. What are the available package types for the LMC555CMMX?

    The LMC555CMMX is available in SOIC, VSSOP, PDIP, and DSBGA packages.

  3. What is the typical power dissipation at a 5V supply voltage?

    The typical power dissipation at a 5V supply voltage is less than 1mW.

  4. Is the output of the LMC555CMMX compatible with TTL and CMOS logic?

    Yes, the output of the LMC555CMMX is fully compatible with TTL and CMOS logic at a 5V supply.

  5. What are the operating temperature ranges for the LMC555CMMX?

    The operating temperature range for the LMC555CMMX is -40°C to 85°C.

  6. How is the time delay controlled in monostable mode?

    In monostable mode, the time delay is precisely controlled by a single external resistor and capacitor.

  7. Can the LMC555CMMX operate in both astable and monostable modes?

    Yes, the LMC555CMMX can operate in both astable and monostable modes depending on the application requirements.

  8. What is the significance of the LMCMOS process used in the LMC555CMMX?

    The LMCMOS process extends both the frequency range and the low supply capability of the LMC555CMMX.

  9. How do the reset, trigger, and threshold currents impact the power dissipation?

    The extremely low reset, trigger, and threshold currents contribute to the low power dissipation of the LMC555CMMX.

  10. Is the LMC555CMMX pin-for-pin compatible with other 555 series timers?

    Yes, the LMC555CMMX is pin-for-pin compatible with the 555 series of timers.

Product Attributes

Type:555 Type, Timer/Oscillator (Single)
Count:- 
Frequency:3MHz
Voltage - Supply:1.5V ~ 15V
Current - Supply:150 µA
Operating Temperature:-40°C ~ 85°C
Package / Case:8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package:8-VSSOP
Mounting Type:Surface Mount
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Similar Products

Part Number LMC555CMMX LMC555CMX LMC555CMM
Manufacturer Texas Instruments Texas Instruments Texas Instruments
Product Status Not For New Designs Not For New Designs Not For New Designs
Type 555 Type, Timer/Oscillator (Single) 555 Type, Timer/Oscillator (Single) 555 Type, Timer/Oscillator (Single)
Count - - -
Frequency 3MHz 3MHz 3MHz
Voltage - Supply 1.5V ~ 15V 1.5V ~ 15V 1.5V ~ 15V
Current - Supply 150 µA 150 µA 150 µA
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-SOIC (0.154", 3.90mm Width) 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-VSSOP 8-SOIC 8-VSSOP
Mounting Type Surface Mount Surface Mount Surface Mount

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