Texas Instruments LMC555CMM/NOPB

Mfr. Part

LMC555CMM/NOPB

Manufacturer

Texas Instruments (Luminary Micro). Y-IC is a quality distributor of Texas Instruments products and we are committed to providing the best products and services to our customers

Detailed Description

Single CMOS 555-type timer and oscillator IC for clock and timing. Operates from 1.5 V to 15 V. Up to 3 MHz frequency operation. Surface-mount in 8-VSSOP (also listed as 8-MSOP, 3.00 mm body width). Industrial temperature range -40°C to +85°C. RoHS3 compliant, lead-free NOPB. Main category Integrated Circuits ICs. Subcategory Clock and Timing, Programmable Timers and Oscillators. Base product number LMC555. Standard supplier device package 8-VSSOP. Factory packaging Tape and Reel TR. Current listing quantity 10400 units available on our site, subject to change

Key Features

Single-channel 555 timer and oscillator

Wide supply range 1.5 V to 15 V

High frequency operation up to 3 MHz

Low supply current, CMOS design

Standard 555 pinout with control voltage and reset pins

Surface-mount 8-pin VSSOP MSOP small footprint

-40°C to +85°C operating temperature

RoHS3 compliant lead-free NOPB finish

Key Advantages

Runs from very low voltage, works on single-cell battery applications

Low power consumption compared to bipolar 555 devices, extends battery life

High maximum frequency allows smaller timing components and compact designs

Pin-compatible with standard 555 circuits for easy upgrades

Small package reduces PCB area and enables dense layouts

Broad supply range simplifies power design across many systems

Packaging

Shipping type Tape and Reel TR for automated assembly

Device package 8-VSSOP also called 8-MSOP, body width about 3.00 mm per listing

Package material molded epoxy plastic body with tin-plated copper leads, lead-free NOPB, RoHS3 compliant

Mounting type surface mount SMD

Pin configuration 8 pins, standard 555 function map

1 GND

2 TRIG

3 OUT

4 RESET

5 CTRL

6 THR

7 DISCH

8 VCC

Electrical properties supply voltage 1.5 V to 15 V, frequency capability up to 3 MHz, operating temperature -40°C to +85°C

Thermal characteristics consult the datasheet for thermal resistance RθJA and power dissipation in VSSOP-8, follow TI recommended land pattern to achieve rated thermal performance

Handling and moisture sensitivity refer to the TI datasheet and product page for MSL and storage guidelines

Lifecycle

Status active in production at Texas Instruments based on the latest available information

Not near end of life to the best of public knowledge. Always confirm current status on our website or TI’s site

Equivalent or alternative models to consider

- Same family and pin-compatible TI LMC555 versions in other packages such as LMC555CM SOIC, LMC555CN PDIP, and other LMC555CMM variants

- TI TLC555 family CMOS 555 drop-in alternatives, examples TLC555CP PDIP, TLC555ID SOIC, TLC555IDR Tape and Reel, TLC555QDRQ1 automotive-grade

- STMicroelectronics TS555 series CMOS 555, examples TS555CN PDIP, TS555ID SO8

- Renesas Intersil ICM7555 CMOS 555 family, examples ICM7555IPA PDIP, ICM7555IBAZ SOIC

- ON Semiconductor NA555 SA555 NE555 families for designs that do not require low-voltage or micropower performance

- Note verify pinout, supply range, timing accuracy, and frequency capability for any substitute before use

If you do not see a suitable equivalent, please contact our sales team on the Y-IC website for tailored recommendations and up-to-date cross references

Key Application Areas

Monostable one-shot pulse generators

Astable oscillators and square-wave clock sources up to 3 MHz

Time delays and interval timers

PWM and duty-cycle control

LED and buzzer flashers and blinkers

Signal conditioning, pulse stretching, and debouncing

Tone and sweep generators for audio and test

Watchdog and reset pulse circuits

Sensor excitation and capacitive measurement timing

RC-based clock sources for low-power embedded systems

Datasheet

Y-IC provides the most authoritative and up-to-date datasheet for LMC555CMM/NOPB on this product page. We strongly recommend downloading it here to get full electrical specifications, timing curves, thermal data, layout guidelines, and application examples. Note the parameter list above shows supply current as 150 A, which appears to be a typographical error. Refer to the datasheet for the correct low supply current specification for the LMC555 CMOS family

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