Overview
The 74HC237DB,118 is a 3-to-8 line decoder and demultiplexer integrated circuit manufactured by Nexperia USA Inc. This component combines the functions of a 3-to-8 decoder with a 3-bit storage latch, making it versatile for various digital logic applications. The 74HC237DB,118 is part of the 74HC series, known for its high-speed CMOS logic family.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia USA Inc. |
| Description | IC 3:8 LINE DECODER/DEMUX 16-SSOP |
| Package / Case | 16-SSOP (0.209", 5.30mm Width) |
| Series | 74HC |
| Type | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 |
| Independent Circuits | 1 |
| Current - Output High, Low | 5.2mA, 5.2mA |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 2 V ~ 6 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Key Features
- 3-to-8 Line Decoder and Demultiplexer: The 74HC237DB,118 functions as both a decoder and a demultiplexer, making it suitable for a wide range of digital logic applications.
- Address Latches: The component includes latches at the three address inputs, allowing it to store the last data present at the inputs when the latch enable (LE) goes from LOW to HIGH.
- Output Enable Control: The output enable inputs (E1 and E2) control the state of the outputs independently of the address inputs or latch operation.
- High-Speed CMOS Logic: Part of the 74HC series, this IC offers high-speed operation with low power consumption.
- Wide Operating Voltage Range: The component operates within a voltage range of 2 V to 6 V, making it versatile for various system designs.
Applications
- Non-Overlapping Decoders in 3-State Systems: Ideal for implementing non-overlapping decoders in systems that require multiple states.
- Bus-Oriented Systems: Suitable for strobe (stored address) applications in bus-oriented systems.
- Digital Logic Circuits: Used in various digital logic circuits where decoding and demultiplexing are required.
- Microprocessors and Computers: Can be used in microprocessor and computer systems for address decoding and data routing.
- Digital Signal Processors: Applicable in digital signal processing systems that require efficient data routing and decoding.
Q & A
- What is the primary function of the 74HC237DB,118?
The primary function of the 74HC237DB,118 is to act as a 3-to-8 line decoder and demultiplexer with address latches.
- What is the package type of the 74HC237DB,118?
The package type is 16-SSOP (0.209", 5.30mm Width).
- What is the operating voltage range of the 74HC237DB,118?
The operating voltage range is 2 V to 6 V.
- How does the latch enable (LE) input affect the operation of the 74HC237DB,118?
When the latch enable (LE) is LOW, the component acts as a 3-to-8 active LOW decoder. When LE goes from LOW to HIGH, the last data present at the inputs is stored in the latches.
- What controls the state of the outputs in the 74HC237DB,118?
The output enable inputs (E1 and E2) control the state of the outputs independently of the address inputs or latch operation.
- What are some common applications of the 74HC237DB,118?
Common applications include non-overlapping decoders in 3-state systems, bus-oriented systems, digital logic circuits, microprocessors, and digital signal processors.
- What is the maximum output current of the 74HC237DB,118?
The maximum output current is 5.2mA for both high and low states.
- What is the operating temperature range of the 74HC237DB,118?
The operating temperature range is -40°C to 125°C.
- Is the 74HC237DB,118 suitable for surface mount technology?
Yes, the component is designed for surface mount technology.
- Where can I find detailed datasheets and documentation for the 74HC237DB,118?
Detailed datasheets and documentation can be found on the Nexperia website or through authorized distributors like Heisener and Ariat-Tech.
