Overview
The MC14541BDR2G is a programmable timer IC produced by onsemi. This device is part of the MC14541B series and is packaged in a SOIC-14 (Pb-Free) format. It features a 16-stage binary counter, an integrated oscillator, automatic power-on reset circuit, and output control logic. The timer is highly versatile, allowing for various timing configurations and output selections.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage Range | -0.5 to +18.0 | V |
| Input or Output Voltage Range | -0.5 to VDD + 0.5 | V |
| Input Current (DC or Transient) | ±10 | mA |
| Output Current (DC or Transient) | ±45 | mA |
| Power Dissipation, per Package | 500 | mW |
| Ambient Temperature Range | -55 to +125 | °C |
| Storage Temperature Range | -65 to +150 | °C |
| Lead Temperature (8-Second Soldering) | 260 | °C |
| Oscillator Frequency Range | 1 kHz to 100 kHz | Hz |
| Output Rise and Fall Time | 100 ns to 200 ns | ns |
| Propagation Delay, Clock to Q | 3.5 μs to 18 μs | μs |
Key Features
- Available Outputs: 28, 210, 213, or 216 stages
- Increments on Positive Edge Clock Transitions
- Built-in Low Power RC Oscillator with ±2% accuracy over temperature range and ±20% supply and ±3% over processing at < 10 kHz
- Oscillator can be bypassed if an external clock is available
- External Master Reset totally independent of Automatic Reset Operation
- Operates as 2n Frequency Divider or Single Transition Timer
- Q/Q Select Provides Output Logic Level Flexibility
- Reset (auto or master) disables oscillator during resetting to provide no active power dissipation
- Clock Conditioning Circuit permits operation with very slow clock rise and fall times
- Automatic Reset initializes all counters on power up
- Supply Voltage Range: 3.0 Vdc to 18 Vdc with Auto Reset enabled/disabled configurations
- NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable
- Pb-Free and RoHS Compliant
Applications
The MC14541BDR2G is suitable for a wide range of applications, including:
- Timing and clock generation in digital circuits
- Frequency division and counting in industrial control systems
- Automotive systems requiring AEC-Q100 qualification
- Consumer electronics needing precise timing functions
- Medical devices requiring reliable and accurate timing
- Industrial automation and control systems
Q & A
- What is the primary function of the MC14541BDR2G?
The MC14541BDR2G is a programmable timer IC that features a 16-stage binary counter, an integrated oscillator, and output control logic.
- What are the available output stages for the MC14541BDR2G?
The available outputs are 28, 210, 213, or 216 stages.
- Can the internal oscillator be bypassed?
- What is the supply voltage range for the MC14541BDR2G?
The supply voltage range is 3.0 Vdc to 18 Vdc with configurations for auto reset enabled or disabled.
- Is the MC14541BDR2G suitable for automotive applications?
- What is the temperature range for the MC14541BDR2G?
The ambient temperature range is -55°C to +125°C, and the storage temperature range is -65°C to +150°C.
- How does the automatic reset function work?
The automatic reset initializes all counters on power up and can also be triggered by a master reset pin.
- What is the purpose of the Q/Q select pin?
The Q/Q select pin provides flexibility in choosing the output logic level.
- Is the MC14541BDR2G Pb-Free and RoHS compliant?
- What are the typical propagation delays for the MC14541BDR2G?
The propagation delays range from 3.5 μs to 18 μs depending on the output stage and supply voltage.
