CD4541BF

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CD4541BF

+BOM

PROGRAMMABLE TIMER

365 日間品質保証

7*24 日間の品質保証

90-時間単位のサービス保証

1日間のアフターサービス保証

仕様

属性
Supplier Rochester Electronics, LLC
Package Bulk
ProductStatus Active
Type Programmable Timer
Count 65536
Frequency 6MHz ~ 100kHz
Voltage-Supply 3V ~ 18V
Current-Supply 100 µA
OperatingTemperature -55°C ~ 125°C (TA)
Package/Case 14-CDIP (0.300, 7.62mm)
SupplierDevicePackage 14-CDIP

概要

Description

The CD4541BF is a CMOS programmable timer IC that offers versatility for timing and oscillator applications. It can function as an oscillator or a one-shot timer, depending on the configuration. Key features include a wide supply voltage range (3V to 15V), low power consumption, and a programmable timer with selectable timing ranges. The IC provides two modes of operation: astable mode for continuous oscillation and monostable mode for one-time pulse generation. Timing is controlled using external resistors and capacitors, allowing for flexibility in configuring the desired time intervals. The CD4541BF also includes features like a reset input for stopping the operation and a master reset for initializing the device. Its applications span various fields, from LED flashers and delay circuits to function generators and pulse-width modulation. The IC is lauded for its reliability, ease of use, and adaptability to different timing needs, making it a popular choice in both hobbyist projects and professional applications.

Equivalent

The CD4541BF is a CMOS programmable timer. Equivalent products include:
1. HEF4541B from NXP
2. MC14541B from ON Semiconductor
3. TC4541BP from Toshiba
These alternatives generally offer similar functionality, such as programmable timers with binary or ripple-carry outputs, although specifications like voltage range and package type might slightly differ. Always check the datasheets for compatibility in your specific application.

Features

The CD4541BF is a programmable timer integrated circuit (IC) known for its versatility and reliability. Its key features include:
1. Programmable Timer: Capable of operating as a free-running oscillator or a single-shot timer.
2. Wide Supply Voltage Range: Operates between 3V to 15V, making it suitable for various applications.
3. Temperature Range: Functions effectively in a temperature range from -55°C to +125°C.
4. Low Power Consumption: Designed for efficient power usage.
5. Adjustable Time Delays: Offers a wide range of timing intervals, programmable via external resistors and capacitors.
6. Output Compatibility: TTL-compatible outputs allow easy interfacing with other digital systems.
7. Reset Functionality: Includes a reset input for interrupting or restarting the timing sequence.
8. Edge-Triggered Input: Allows for precise control over timing operations.
9. High Noise Immunity: Designed to function robustly in noisy environments.
These features make the CD4541BF a suitable choice for applications requiring precise and programmable timing solutions, such as in industrial, consumer, and automotive electronics.

Pinout

The CD4541BF is a programmable timer IC with a 14-pin dual in-line package (DIP). Here’s a brief overview of its pin configuration and functions:
1. Pin 1 (VSS/GND): Ground pin of the IC.
2. Pin 2 (Q/Q1): Output pin, providing the timer's output in a logic high or low state.
3. Pin 3 (Q/Q2): Second output pin, similar to Q/Q1 but can be used for additional functions.
4. Pin 4 (RST): Reset pin to restart the timer operation.
5. Pin 5 (AUTO/MAN): Selects automatic or manual reset mode.
6. Pin 6 (EN/IT): Enable/disable or inhibit the timer operation.
7. Pin 7 (RS): Resistor pin, sets the time delay with an external resistor.
8. Pin 8 (CT): Capacitor pin, sets the time delay with an external capacitor.
9. Pin 9 (VDD): Positive power supply pin.
10. Pin 10 (NC): Not connected.
11. Pin 11 (NC): Not connected.
12. Pin 12 (NC): Not connected.
13. Pin 13 (A): Control pin for frequency selection.
14. Pin 14 (B): Control pin for frequency selection.
The CD4541BF is essentially used for timing applications where a duration or delay function is needed.

Manufacturer

The CD4541BF is manufactured by Texas Instruments, an American technology company that designs and manufactures semiconductors and various integrated circuits. Texas Instruments is one of the world's largest semiconductor companies, known for its innovation in the electronics industry. The company produces a wide range of products, including analog chips, embedded processors, and other related technologies that are used in various applications such as industrial, automotive, personal electronics, and communications equipment.

Application

The CD4541BF is a programmable timer IC that finds application in various areas due to its versatility and reliability. Key application areas include:
1. Timing and Delay Circuits: Used in circuits requiring precise timing and delay intervals, such as clock generation and pulse shaping.
2. Industrial Control Systems: Utilized for process control and automation tasks.
3. Consumer Electronics: Employed in home appliances for functions like delayed turn-on and programmable timers.
4. Automotive Electronics: Applied in timing-based controls and light sequencing systems.
5. Security Systems: Used in alarm systems for timed responses and reset functions.
These applications leverage the CD4541BF’s programmable timing capabilities, low power consumption, and wide operating voltage range.

Package

The CD4541BF is typically available in a Dual In-line Package (DIP) or Plastic Leaded Chip Carrier (PLCC), designed for easy integration into electronic circuits, offering programmable timer functions in digital applications.

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