CMOS Timer

The LMC555 is a CMOS version of the industry standard 555 series general purpose Timers In addition to the standard package (SOIC, MSOP, and MDIP) the LMC555 is also available in a chip sized package (8 Bump micro SMD) using National's micro SMD package technology. The LMC555 offers the same capability of generating accurate time delays and frequencies as the LM555 but with much lower power dissipation and supply current spikes. When operated as a one-shot, the time delay is precisely controlled by a single external resistor and capacitor. In the stable mode the oscillation frequency and duty cycle are accurately set by two external resistors and one capacitor. The use of National Semiconductor's LMCMOS? process extends both the frequency range and low supply capability.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
LMC555CMM Texas Instruments World's smallest 555 timer with low power, high accuracy and a Fmax of 3MHz 8-VSSOP -40 to 85
LMC555CM Texas Instruments World's smallest 555 timer with low power, high accuracy and a Fmax of 3MHz 8-SOIC -40 to 85
LMC555CMMX/NOPB Texas Instruments World's smallest 555 timer with low power, high accuracy and a Fmax of 3MHz 8-VSSOP -40 to 85
LMC555CTP Texas Instruments PULSE; RECTANGULAR, 3MHz, TIMER, PBGA8, MO-211BC, SMD-8
LMC555CN Texas Instruments PULSE; RECTANGULAR, 3MHz, TIMER, PDIP8, DIP-8
LMC555CMM/NOPB Texas Instruments World's smallest 555 timer with low power, high accuracy and a Fmax of 3MHz 8-VSSOP -40 to 85
LMC555CM/NOPB Texas Instruments World's smallest 555 timer with low power, high accuracy and a Fmax of 3MHz 8-SOIC -40 to 85
LMC555CMX/NOPB Texas Instruments World's smallest 555 timer with low power, high accuracy and a Fmax of 3MHz 8-SOIC -40 to 85
LMC555CTPX Texas Instruments PULSE; RECTANGULAR, 3MHz, TIMER, PBGA8, ROHS COMPLIANT, MO-211BC, SMD-8
LMC555IM/NOPB Texas Instruments World's smallest 555 timer with low power, high accuracy and a Fmax of 3MHz 8-SOIC -40 to 125
LMC555 's PackagesLMC555 's pdf datasheet
LMC555CBPCONV
LMC555CBP
LMC555CBPX
LMC555CM SOIC
LMC555CMX SOIC
LMC555CMM SOIC
LMC555CMMX SOIC
LMC555CN DIP
LMC555CTP
LMC555CTPX
LMC555-MDA
LMC555-MD8




LMC555 Pinout, Pinouts
LMC555 pinout,Pin out
This is one package pinout of LMC555,If you need more pinouts please download LMC555's pdf datasheet.

LMC555 Application circuits
LMC555 circuits
This is one application circuit of LMC555,If you need more circuits,please download LMC555's pdf datasheet.


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LMC555 Application Notes LMC555 RoHS LMC555 Circuits LMC555 footprint