Overview
The HEF4541BT/S400518 is a programmable timer IC produced by NXP USA Inc. (now part of Nexperia). This component is designed to provide flexible timing functions in various electronic circuits. It features a 16-stage binary counter, an integrated oscillator, and output control logic, making it versatile for different timing applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Programmable Timer |
| Voltage Supply (VDD) | 3.0 V to 15.0 V |
| Output Drive Capability | -4 mA / +2.7 mA |
| Logic Switching Levels | CMOS |
| Propagation Delay (tpd) | 38 ns |
| Operating Temperature | -40°C to +85°C (and up to +125°C for some versions) |
| Package | 14-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Frequency Range | 1 Hz to 100 kHz (depending on external timing components) |
Key Features
- Wide supply voltage range from 3.0 V to 15.0 V
- CMOS low power dissipation
- High noise immunity
- Fully static operation
- Standardized symmetrical output characteristics
- Complies with JEDEC standard JESD 13-B
- HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V
- Automatic power-on reset and output control logic
- External clock signal input option
Applications
The HEF4541BT/S400518 is suitable for a variety of timing and oscillator applications in electronic circuits. It can be used in:
- Timing and sequencing circuits
- Pulse generation and modulation
- Frequency division and counting
- Automotive and industrial control systems
- Consumer electronics requiring precise timing functions
Q & A
- What is the voltage supply range for the HEF4541BT/S400518?
The voltage supply range is from 3.0 V to 15.0 V.
- What is the operating temperature range for this IC?
The operating temperature range is from -40°C to +85°C (and up to +125°C for some versions).
- What type of logic does the HEF4541BT/S400518 use?
The IC uses CMOS logic.
- Can the HEF4541BT/S400518 be used with an external clock signal?
- What is the propagation delay of the HEF4541BT/S400518?
The propagation delay (tpd) is 38 ns.
- Is the HEF4541BT/S400518 compliant with any specific standards?
- What is the package type of the HEF4541BT/S400518?
The package type is 14-SOIC (0.154", 3.90mm Width).
- Does the HEF4541BT/S400518 have any built-in reset features?
- What is the frequency range that can be achieved with the HEF4541BT/S400518?
The frequency range is from 1 Hz to 100 kHz, depending on the external timing components used.
- Is the HEF4541BT/S400518 suitable for automotive applications?
