Overview
The HEF4049BT,652 is a hex inverting buffer integrated circuit produced by Nexperia USA Inc. This device is part of the HEF4000 family and is designed to provide six inverting buffers with high current output capability. It is particularly useful for driving TTL (Transistor-Transistor Logic) or high capacitive loads. The HEF4049BT is notable for its ability to accept input voltages in excess of the supply voltage, making it versatile for various logic level conversion tasks.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Inverters | 6 |
| Input Voltage Tolerance | Up to 15 V |
| Supply Voltage Range | 3 V to 15 V |
| Operating Temperature Range | -40 °C to +85 °C |
| Package Type | SO16 (SOT109-1) |
| Package Dimensions | 9.9 mm x 3.9 mm x 1.35 mm |
| Lead Pitch | 1.27 mm |
| Compliance | JESD 13-B |
Key Features
- Overvoltage tolerant inputs up to 15 V
- High current output capability suitable for driving TTL or high capacitive loads
- Fully static operation
- Standardized symmetrical output characteristics
- High sink current for driving two TTL loads
- LOCMOS (Local Oxidation CMOS) to DTL/TTL converter
Applications
The HEF4049BT is widely used in various electronic designs across different industries, including automotive, industrial, power, computing, consumer, mobile, and wearables. It is particularly useful in applications requiring logic level conversion, such as converting high voltage logic signals to standard TTL levels.
Q & A
- What is the primary function of the HEF4049BT? The primary function of the HEF4049BT is to provide six inverting buffers with high current output capability.
- What is the input voltage tolerance of the HEF4049BT? The HEF4049BT can accept input voltages up to 15 V.
- What is the supply voltage range for the HEF4049BT? The supply voltage range is from 3 V to 15 V.
- What is the operating temperature range for the HEF4049BT? The operating temperature range is from -40 °C to +85 °C.
- What type of package does the HEF4049BT come in? The HEF4049BT comes in an SO16 (SOT109-1) package.
- What are the dimensions of the SO16 package? The dimensions are 9.9 mm x 3.9 mm x 1.35 mm.
- What is the lead pitch of the SO16 package? The lead pitch is 1.27 mm.
- Does the HEF4049BT comply with any specific standards? Yes, it complies with JEDEC standard JESD 13-B.
- What are some common applications of the HEF4049BT? It is used in automotive, industrial, power, computing, consumer, mobile, and wearable applications.
- How should unused inputs be handled on the HEF4049BT? Unused inputs must be connected to VDD, VSS, or another input.
