Overview
The HEF4040BT is a 12-stage binary ripple counter produced by NXP Semiconductors, now part of Nexperia. This integrated circuit is designed for various counting applications and features a single monolithic chip with a clock input (CP) and an overriding asynchronous master reset input (MR). The counter has twelve fully buffered outputs (Q0 to Q11) and advances on the HIGH-to-LOW transition of the clock input. A HIGH on the master reset input clears all counter stages and forces all outputs LOW, independent of the clock input.
The HEF4040BT is part of the 4000B series and is known for its wide operating voltage range, high count rate, and compatibility with both CMOS and TTL logic levels.
Key Specifications
| Type Number | VCC (V) | Output Drive Capability (mA) | Logic Switching Levels | tpd (ns) | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|
| HEF4040BT | 3.0 - 15 | ± 2.4 | CMOS | 35 | Medium | -40 to +85 | 78 | 3.5 | 36.9 | SO16 (SOT109-1) |
Key Features
- 12-bit Binary Ripple Counter: The HEF4040BT features a 12-stage binary counter with twelve fully buffered outputs.
- Wide Operating Voltage Range: Operates from 3.0 V to 15.0 V, making it versatile for various systems.
- High Count Rate: Capable of counting up to 50 MHz.
- Asynchronous Reset: Features an overriding asynchronous master reset input (MR) that clears all counter stages.
- CMOS Low Power Dissipation: Low power consumption and high noise immunity.
- Compatibility with CMOS and TTL Logic Levels: Suitable for both CMOS and TTL logic inputs.
- Compact Package: Available in a 16-SOIC surface mount package.
- Robust Construction: Meets or exceeds industry standards for safety and quality.
Applications
- Digital Counters: Used in various digital counting applications.
- Time Delay Circuits: Suitable for time delay circuits due to its counting capability.
- Frequency Dividers: Can be used in frequency dividing circuits.
- Digital Timing Circuits: Ideal for digital timing circuits.
- Embedded Systems: Used in embedded systems requiring precise counting and timing functions.
Q & A
- What is the HEF4040BT?
The HEF4040BT is a 12-stage binary ripple counter produced by NXP Semiconductors, now part of Nexperia.
- What is the operating voltage range of the HEF4040BT?
The HEF4040BT operates from 3.0 V to 15.0 V.
- What is the maximum count rate of the HEF4040BT?
The HEF4040BT can count up to 50 MHz.
- Does the HEF4040BT have an asynchronous reset function?
- What type of logic levels is the HEF4040BT compatible with?
The HEF4040BT is compatible with both CMOS and TTL logic levels.
- What is the package type of the HEF4040BT?
The HEF4040BT is available in a 16-SOIC surface mount package.
- What are the key applications of the HEF4040BT?
The HEF4040BT is used in digital counters, time delay circuits, frequency dividers, digital timing circuits, and embedded systems.
- Is the HEF4040BT suitable for high-speed applications?
- Does the HEF4040BT meet industry standards for safety and quality?
- What is the temperature range for the HEF4040BT?
The HEF4040BT operates in a temperature range of -40°C to +85°C.
