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Name: CD4047BE
Brand: Texas Instruments
SKU: CD4047BE
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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Texas Instruments CD4047BE

Part No.:: CD4047BE

Manufacturer:: Texas Instruments

Package:: 14-DIP (0.300, 7.62mm)

Datasheet:: CD4047BE.pdf

Description:: IC MULTIVIBRATOR 80NS 14DIP

In Stock:: 878

Quantity:: Add To Cart

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CD4047BE Specifications

Packaging:
Tube
Series:
4000B
ProductStatus:
Active
LogicType:
Astable, Monostable
IndependentCircuits:
1
SchmittTriggerInput:
No
PropagationDelay:
80 ns
Current-OutputHighLow:
6.8mA, 6.8mA
Voltage-Supply:
3 V ~ 18 V
OperatingTemperature:
-55°C ~ 125°C
MountingType:
Through Hole

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CD4047BE information

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CD4047BE Typical application Circuitry

CD4047BE is a versatile CMOS monostable/astable multivibrator chip commonly used in timing and oscillator applications. It features a wide operating voltage range and low power consumption.

Application Scenario:

In electronic circuits, CD4047BE can be utilized to generate square waves, pulse signals, or control timing sequences, making it suitable for applications such as frequency synthesis, time delay circuits, and waveform generation.

Circuit Design:

To design an astable multivibrator circuit using CD4047BE, follow these steps:

1. Component Connection:

Connect the required external components to CD4047BE as follows:

Connect pin 14 (VDD) to the positive supply voltage.
Connect pin 7 (GND) to the ground.
Connect pins 1, 2, and 13 (R, C, and C) to set the timing parameters using resistors and capacitors.
Connect pins 4 and 6 (R and R) to set the reset threshold.
Connect pin 3 (Q) to the output terminal for the generated square wave.
Connect pin 5 (RESET) to the external trigger input for resetting the multivibrator.

2. Timing Component Selection:

Choose appropriate resistor and capacitor values connected to pins 1, 2, and 13 to determine the desired output frequency and duty cycle of the square wave generated by CD4047BE.

3. Power Supply:

Ensure a stable power supply is provided to CD4047BE within its specified operating voltage range to guarantee proper operation and accurate timing.

4. Output Signal Utilization:

Connect the output square wave signal from pin 3 to downstream circuitry or devices requiring clock signals or timing references. Ensure proper buffering and impedance matching if driving loads.

5. Noise Consideration:

Implement proper decoupling capacitors near the power supply pins of CD4047BE to minimize noise and ensure stable operation, especially in environments prone to electrical interference.

Considerations:

When designing the circuit, it's essential to consider:

- Frequency Stability: Choose resistor and capacitor values carefully to achieve the desired frequency stability over temperature and supply voltage variations.

- Trigger Signal Characteristics: Ensure the external trigger signal applied to pin 5 meets the minimum voltage and timing requirements specified in the datasheet for reliable operation.

- Output Loading Effects: Take into account the loading effects of downstream circuitry when connecting the output signal to ensure signal integrity and proper functioning of the multivibrator.

- Temperature Effects: Consider the temperature coefficient of the timing components to ensure the stability of the output frequency over the operating temperature range.

- Environmental Conditions: Design the circuit layout and enclosure to mitigate environmental factors such as humidity, temperature extremes, and mechanical stresses to maintain long-term reliability.

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6. What is the process for return or replacement of CD4047BE?

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 CD4047BE we delivered, we will accept the replacement or return of the CD4047BE 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 CD4047BE.

(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