Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| Series | 4000B |
| ProductStatus | Active |
| LogicType | Monostable |
| IndependentCircuits | 2 |
| SchmittTriggerInput | Yes |
| PropagationDelay | 95 ns |
| Current-OutputHighLow | 8.8mA, 8.8mA |
| Voltage-Supply | 3 V ~ 18 V |
| OperatingTemperature | -55°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.154, 3.90mm Width) |
Overview
Description
The MC14538BDG is a dual precision monostable multivibrator from the MC14538B series, designed by ON Semiconductor. It utilizes CMOS technology, offering robust performance with low power consumption. The chip is composed of two independent multivibrator circuits, capable of being used in applications requiring accurate timing or pulse generation. Each multivibrator can be triggered independently and features retriggerable and reset options, allowing for flexibility in timing adjustments.
Key features include a wide supply voltage range (3V to 18V), high noise immunity, and a low quiescent current. The device is particularly suitable for applications like pulse generation, time delay generation, frequency divider, and pulse width modulation. It is commonly used in electronics projects and designs where precise timing control is essential. The MC14538BDG is also known for its stability over a range of temperatures and supply voltages, making it a reliable choice for various industrial and consumer applications.
Key features include a wide supply voltage range (3V to 18V), high noise immunity, and a low quiescent current. The device is particularly suitable for applications like pulse generation, time delay generation, frequency divider, and pulse width modulation. It is commonly used in electronics projects and designs where precise timing control is essential. The MC14538BDG is also known for its stability over a range of temperatures and supply voltages, making it a reliable choice for various industrial and consumer applications.
Equivalent
The MC14538BDG is a dual precision monostable multivibrator. Equivalent products include the Texas Instruments CD4538B, the NXP HEF4538B, and the ON Semiconductor MC14538B. These ICs offer similar functionality and can be used in applications requiring precise timing and monostable operations, though it's important to check specific datasheet parameters to ensure compatibility with your circuit requirements.
Features
The MC14538BDG is a precision dual monostable multivibrator, featuring two independent, retriggerable, and resettable one-shot timers. Key features include:
1. Dual Independent Channels: It has two separate monostable multivibrators in a single package, allowing simultaneous operation.
2. Retriggerable and Resettable: Each channel can be retriggered by new input pulses, and the timing can be reset.
3. Wide Range of Timing: It supports a broad range of timing intervals, which are adjustable via external resistors and capacitors.
4. TTL and CMOS Compatible: The device is compatible with both TTL and CMOS logic levels, offering flexibility in different applications.
5. Temperature Range: Operates effectively over a wide temperature range, typically from -55°C to +125°C.
6. Supply Voltage: Can operate with supply voltages ranging from 3V to 18V.
7. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
8. Package Type: Available in a 16-pin SOIC (Small Outline Integrated Circuit) package for surface mounting.
These features make the MC14538BDG suitable for applications requiring precise timing control, such as in industrial, automotive, and consumer electronics.
1. Dual Independent Channels: It has two separate monostable multivibrators in a single package, allowing simultaneous operation.
2. Retriggerable and Resettable: Each channel can be retriggered by new input pulses, and the timing can be reset.
3. Wide Range of Timing: It supports a broad range of timing intervals, which are adjustable via external resistors and capacitors.
4. TTL and CMOS Compatible: The device is compatible with both TTL and CMOS logic levels, offering flexibility in different applications.
5. Temperature Range: Operates effectively over a wide temperature range, typically from -55°C to +125°C.
6. Supply Voltage: Can operate with supply voltages ranging from 3V to 18V.
7. Low Power Consumption: Designed for low power operation, making it suitable for battery-powered devices.
8. Package Type: Available in a 16-pin SOIC (Small Outline Integrated Circuit) package for surface mounting.
These features make the MC14538BDG suitable for applications requiring precise timing control, such as in industrial, automotive, and consumer electronics.
Pinout
The MC14538BDG is a dual precision monostable multivibrator IC. It features 16 pins and is used to generate precise time delays or pulse width modulation. Here's a brief overview of its pin configuration and functions:
1. Pin Count: 16 pins.
2. Function Overview:
- VCC (Pin 16): Power supply pin.
- GND (Pin 8): Ground pin.
- Q1, Q2 (Pins 13, 11): True outputs for each multivibrator.
- Q̅1, Q̅2 (Pins 12, 10): Complementary outputs for each multivibrator.
- A1, A2 (Pins 1, 15): Active high trigger inputs for each multivibrator.
- B1, B2 (Pins 3, 9): Active low trigger inputs for each multivibrator.
- CLR1, CLR2 (Pins 4, 6): Reset inputs for each multivibrator.
- RC1, RC2 (Pins 2, 14): External resistor-capacitor timing components for pulse duration.
- C̅D̅1, C̅D̅2 (Pins 5, 7): Control disable inputs for each multivibrator.
These devices are suitable for applications that require precise timing control with adjustable pulse durations.
1. Pin Count: 16 pins.
2. Function Overview:
- VCC (Pin 16): Power supply pin.
- GND (Pin 8): Ground pin.
- Q1, Q2 (Pins 13, 11): True outputs for each multivibrator.
- Q̅1, Q̅2 (Pins 12, 10): Complementary outputs for each multivibrator.
- A1, A2 (Pins 1, 15): Active high trigger inputs for each multivibrator.
- B1, B2 (Pins 3, 9): Active low trigger inputs for each multivibrator.
- CLR1, CLR2 (Pins 4, 6): Reset inputs for each multivibrator.
- RC1, RC2 (Pins 2, 14): External resistor-capacitor timing components for pulse duration.
- C̅D̅1, C̅D̅2 (Pins 5, 7): Control disable inputs for each multivibrator.
These devices are suitable for applications that require precise timing control with adjustable pulse durations.
Manufacturer
The MC14538BDG is manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a leading semiconductor supplier that designs and manufactures a wide array of semiconductor components. The company focuses on products that facilitate energy-efficient electronics and address energy-efficient innovations. Onsemi caters to a variety of sectors, including automotive, industrial, communications, computing, and consumer electronics. The MC14538BDG is a CMOS dual precision monostable multivibrator, which is part of onsemi's product lineup, contributing to the development of reliable and efficient electronic systems.
Application
The MC14538BDG is a dual precision monostable multivibrator, commonly used in timing applications. It is suitable for applications requiring precise pulse generation and timing control, such as pulse width modulation, time delay generation, and frequency division. The device can be utilized in debounce circuits, missing pulse detection, and pulse stretching. It's also applicable in digital systems where a reliable time delay is necessary, such as in signal processing, communication systems, and industrial automation. The MC14538BDG's capability to work with both positive and negative edge-triggered inputs expands its versatility in various electronic and digital applications.
Package
The MC14538BDG is a monolithic dual precision retriggerable/resettable monostable multivibrator. It comes in a SOIC-16 package, which is a small outline integrated circuit with 16 pins.