HEF4541BT,512

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HEF4541BT,512

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IC OSC PROG TIMER 36MHZ 14SOIC

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Especificações

Atributo Valor
Supplier Nexperia USA Inc.
Package Tube
ProductStatus Obsolete
Type Programmable Timer
Frequency 36MHz
Voltage-Supply 4.5V ~ 15.5V
Current-Supply 500 µA
OperatingTemperature -40°C ~ 85°C
Package/Case 14-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 14-SO

Visão Geral

Description

The HEF4541BT/512 is an integrated circuit from Nexperia's HE4000B series. It is a programmable timer with a wide range of timing functions, making it versatile for various applications. This device can operate in both astable and monostable modes, allowing for the generation of precise time delays or oscillation frequencies.
Key features include:
1. Programmable Timer Functionality: Offers flexibility with an on-chip oscillator that can be controlled externally for precise timing adjustments.
2. Wide Supply Voltage Range: Operates from 3V to 15V, making it suitable for different power supply environments.
3. Oscillator Control: External resistors and capacitors can program the timing, allowing for a customizable setup.
4. High Noise Immunity: Ensures reliable operation under less-than-ideal conditions.
5. Low Power Consumption: Ideal for battery-powered applications.
The HEF4541BT/512 is typically used in applications such as time delay circuits, pulse generation, and frequency counting. Its versatility and programmable nature make it a preferred choice for designers needing a reliable timing solution.

Equivalent

The HEF4541BT,512 is a programmable timer IC. Equivalent products include the CD4541 from Texas Instruments, the MC14541 from ON Semiconductor, and the TC4541 from Toshiba. These ICs offer similar functionality, providing various timing configurations for different applications. Always verify the datasheet of each for compatibility regarding pin configuration and electrical characteristics.

Features

The HEF4541BT is a versatile general-purpose timer IC with a wide range of applications in timing, sequencing, and oscillator functions. Here are some key features:
1. Timing Range: Offers a wide timing range from microseconds to hours, adjustable via external resistors and capacitors.
2. Supply Voltage: Operates over a broad supply voltage range, typically from 3V to 15V, making it suitable for various applications.
3. Oscillator: Can function as an astable or monostable multivibrator.
4. Reset and Control Functions: Includes reset and control inputs for improved functionality and precision timing control.
5. Output Options: Provides both buffered and unbuffered outputs, enhancing flexibility in interfacing.
6. Temperature Stability: Exhibits good temperature stability, ensuring reliable performance across a range of conditions.
7. Low Power Consumption: Designed for low power consumption, which is beneficial for battery-operated devices.
8. Package: Available in different package options, including the 14-pin dual in-line package (DIP) and surface-mount technology (SMT) package.
These features make the HEF4541BT suitable for use in timing applications, pulse generation, and delay circuits.

Pinout

The HEF4541BT,512 is a 16-pin programmable timer IC designed for timing applications. The pin configuration and functions are as follows:
1. VSS (Pin 8): Ground connection.
2. VDD (Pin 16): Supply voltage connection.
3. Q1-Q4 (Pins 5, 7, 4, 6): Timer output pins, which provide binary counting outputs.
4. XTAL1 (Pin 11) and XTAL2 (Pin 10): Connections for external oscillator inputs.
5. RESET (Pin 3): Resets the timer when activated.
6. AUTO RESET (Pin 1): Automatic reset mode selection.
7. CONTROL (Pin 9): Control pin for setting the timer mode.
8. TEST (Pin 12): Used for factory testing, not typically used in normal applications.
9. CEXT (Pin 13) and RA (Pin 15): External capacitor and resistor connections for frequency setting.
10. RS (Pin 14): External resistor connection for frequency setting.
This IC is often used in applications requiring precise timing controls, such as delays and oscillators, due to its programmable nature and ability to support various time periods.

Manufacturer

The HEF4541BT,512 is manufactured by Nexperia. Nexperia is a global semiconductor company that focuses on producing discrete components, power devices, and analog & logic ICs. It was spun off from NXP Semiconductors in 2017 and has since operated as an independent entity. Nexperia is known for providing a wide range of semiconductor products that are integral to various electronic applications, including automotive, mobile, computing, and consumer electronics. The company prides itself on high-volume manufacturing and delivers billions of products annually, emphasizing efficiency, reliability, and sustainable practices in its operations.

Application

The HEF4541BT,512 is a programmable timer IC with a variety of applications. It is commonly used in timing and delay circuits, oscillator systems, and frequency divider configurations. Its capabilities are leveraged in applications requiring precise time delays and time-based sequencing, such as in industrial automation, consumer electronics, and automotive systems. Additionally, it's utilized in pulse generation and signal conditioning tasks. The IC's versatility in both monostable and astable operations makes it suitable for control systems where timing accuracy and reliability are crucial.

Package

The HEF4541BT,512 is a CMOS-based programmable timer from NXP Semiconductors. It typically comes in a SO-16 package, which is a small outline integrated circuit with 16 pins. This package type is suitable for surface mounting on PCBs and is used in timing applications.

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