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Name: LM555CMX
Brand: Fairchild Semiconductor
SKU: LM555CMX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Fairchild Semiconductor LM555CMX

Part No.:: LM555CMX

Manufacturer:: Fairchild Semiconductor

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: LM555CMX.pdf

Description:: SINGLE TIMER

In Stock:: 8902

Quantity:: Add To Cart

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LM555CMX Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Bulk
Series:
-
ProductStatus:
Obsolete
Type:
555 Type, Timer/Oscillator (Single)
Count:
-
Frequency:
-
Voltage-Supply:
4.5V ~ 16V
Current-Supply:
7.5 mA
OperatingTemperature:
0°C ~ 70°C

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LM555CMX information

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LM555CMX Typical application Circuitry

LM555CMX

The LM555CMX is part of the LM555 series of integrated circuits, which are widely recognized as versatile timer chips. This series, including the LM555CMX, functions primarily as a timer for generating precise time delays or oscillation. Due to its reliability and simplicity, the LM555 is used in various applications like pulse generation, LED and lamp flashers, tone generation, clocks, and timers.

1. LM555CMX Series Characteristics: The LM555CMX is known for its versatility as a timer, capable of producing accurate time delays and oscillations.

2. Pin Configuration and Connection Method:

- GND (Pin 1): This is the ground pin, which should be connected to the negative power supply.

- TRIG (Pin 2): The trigger pin, which activates the timer when the voltage falls below $ \frac{1}{3} $ of the supply voltage.

- OUT (Pin 3): The output pin, which goes high when the timer is triggered and remains high until the threshold is reached or reset is applied.

- RESET (Pin 4): The timer may be reset with this pin. When connected to the ground, the timer is inactive.

- CTRL (Pin 5): The control voltage pin, used to adjust the threshold and trigger levels. It is usually connected through a capacitor to ground.

- THR (Pin 6): The threshold pin, which deactivates the timer when the voltage exceeds $ \frac{2}{3} $ of the supply voltage.

- DISCH (Pin 7): The discharge pin, connected internally to a transistor that discharges a capacitor in the RC timing network.

- VCC (Pin 8): The positive power supply pin, which should be connected to a voltage source between 4.5V and 16V.

3. Circuit Design Insights:

- The external components (resistors, capacitors) connected to the LM555CMX determine the timing intervals for the delay or oscillation.

- The arrangement and values of these components are chosen based on the desired timing function (astable, monostable, or bistable operation).

4. Key Features of LM555CMX:

- The LM555CMX offers a wide operating voltage range and high output current capability.

- It can be used in various configurations to produce accurate time delays or frequency oscillations.

5. Applications for LM555CMX: The LM555CMX is suitable for applications such as timers, pulse generation, sequential timing, and custom oscillators.

For effective implementation of the LM555CMX in a system, it's important to consider the specific timing requirements and the configuration of external components. Detailed information on pin functions, example circuits, and operational parameters can be found in the datasheet and application notes from Texas Instruments for the LM555CMX, ensuring its efficient use in various electronic applications.

LM555CMX FAQ

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3. Are the LM555CMX price and inventory displayed accurate?

The price and inventory of LM555CMX fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of LM555CMX?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM555CMX we delivered, we will accept the replacement or return of the LM555CMX only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM555CMX.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations