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HEF4541BT,512
+Lista de MateriaisIC OSC PROG TIMER 36MHZ 14SOIC
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FabricanteNexperia USA Inc.
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Peça do Fabricante #HEF4541BT,512
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Ficha Técnica HEF4541BT,512 DataSheet
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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
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
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
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.