
LMC555
www.ti.com
SNAS558J –FEBRUARY 2000–REVISED MARCH 2013
LMC555 CMOS Timer
Check for Samples: LMC555
1
FEATURES
DESCRIPTION
2
• Less than 1 mW Typical Power Dissipation at
The LMC555 is a CMOS version of the industry
5V Supply
standard 555 series general purpose timers. In
• 3 MHz Astable Frequency Capability
addition to the standard package (SOIC, VSSSOP,
• 1.5V Supply Operating Voltage Ensured
and PDIP) the LMC555 is also available in a chip
sized package (8 Bump DSBGA) using TI's DSBGA
• Output Fully Compatible with TTL and CMOS
package technology. The LMC555 offers the same
Logic at 5V Supply
capability of generating accurate time delays and
• Tested to −10 mA, +50 mA Output Current
frequencies as the LM555 but with much lower power
Levels
dissipation and supply current spikes. When operated
• Reduced Supply Current Spikes During Output
as a one-shot, the time delay is precisely controlled
by a single external resistor and capacitor. In the
Transitions
stable mode the oscillation frequency and duty cycle
• Extremely Low Reset, Trigger, and Threshold
are accurately set by two external resistors and one
Currents
capacitor. The use of Texas Instruments' LMCMOS
• Excellent Temperature Stability
process extends both the frequency range and low
supply capability.
• Pin-for-Pin Compatible with 555 Series of
Timers
• Available in 8-pin VSSOP Package and 8-Bump
DSBGA package
Pulse Width Modulator
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2000–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.