Overview
The HEF4049BT/S401118, produced by NXP USA Inc. (now part of Nexperia), is a hex inverting buffer integrated circuit. This component is designed to provide six inverting buffers with high current output capability, making it suitable for driving TTL (Transistor-Transistor Logic) or high capacitive loads. The HEF4049BT is part of the 4000 series of CMOS logic ICs and is known for its wide supply voltage range and high noise immunity.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | fmax (MHz) | Number of bits | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|---|
| HEF4049BT | 3.0 - 15 | CMOS | -3 / +20 | 10 | 6 | medium | -40 to +85 | SO16 (SOT109-1) |
Key Features
- Wide supply voltage range: Operates from 3.0 V to 15.0 V.
- Overvoltage tolerant inputs: Accepts input voltages in excess of the supply voltage up to 15.0 V.
- Low power dissipation: CMOS technology ensures low power consumption.
- High noise immunity: Provides robust operation in noisy environments.
- High current output capability: Suitable for driving TTL or high capacitive loads.
- Standardized symmetrical output characteristics: Ensures consistent output performance.
- Compliance with JEDEC standard JESD 13-B: Meets industry standards for CMOS logic ICs.
Applications
The HEF4049BT is versatile and can be used in various applications across different industries, including:
- Automotive: For logic level conversion and signal buffering in automotive systems.
- Industrial: In control systems, automation, and industrial electronics where robust and reliable logic operations are required.
- Consumer Electronics: For driving TTL loads and converting logic levels in consumer electronic devices.
- Computing and Power Systems: In power management and logic circuits within computing systems.
Q & A
- What is the supply voltage range of the HEF4049BT?
The HEF4049BT operates over a supply voltage range of 3.0 V to 15.0 V.
- Can the HEF4049BT handle input voltages above the supply voltage?
Yes, the HEF4049BT can handle input voltages in excess of the supply voltage up to 15.0 V.
- What is the output drive capability of the HEF4049BT?
The output drive capability is -3 mA / +20 mA.
- What is the maximum operating frequency of the HEF4049BT?
The maximum operating frequency is 10 MHz.
- How many inverting buffers does the HEF4049BT provide?
The HEF4049BT provides six inverting buffers.
- What is the temperature range for the HEF4049BT?
The HEF4049BT is specified to operate from -40 °C to +85 °C.
- What package type is the HEF4049BT available in?
The HEF4049BT is available in the SO16 (SOT109-1) package.
- Does the HEF4049BT comply with any industry standards?
Yes, it complies with the JEDEC standard JESD 13-B.
- What are some common applications of the HEF4049BT?
Common applications include automotive, industrial, consumer electronics, and computing systems.
- How does the HEF4049BT handle unused inputs?
Unused inputs must be connected to VDD, VSS, or another input.
