Overview
The 74HC237D,653 is a 3-to-8 line decoder and demultiplexer integrated circuit produced 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 IC is part of the 74HC logic family, known for its high-speed and low-power consumption characteristics. It is particularly suited for implementing non-overlapping decoders in 3-state systems and strobes (stored address) applications in bus-oriented systems.
Key Specifications
| Parameter | Value |
|---|---|
| Logic Family / Base Number | 74HC237 |
| Logic Type | Decoder / Demultiplexer |
| No. of Outputs | 8 |
| IC Case / Package | SOIC-16 (SOT109-1) |
| No. of Pins | 16 |
| Supply Voltage Min | 2 V |
| Supply Voltage Max | 6 V |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 125°C |
| Output Drive Capability | ± 5.2 mA |
| Propagation Delay (tpd) | 18 ns |
| Package Dimensions | 9.9 mm x 3.9 mm x 1.35 mm |
| Mounting Type | Surface Mount |
| RoHS Compliance | Yes |
Key Features
- 3-to-8 Decoder and Demultiplexer Functionality: The IC combines a 3-to-8 decoder with a 3-bit storage latch, enabling it to store the last data present at the inputs when the latch enable (LE) goes from LOW to HIGH.
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V, making it versatile for various power supply conditions.
- Low Power Consumption: Part of the 74HC logic family, known for low power dissipation.
- High-Speed Operation: Propagation delay of 18 ns, ensuring fast switching times.
- Output Enable Control: The output enable inputs (E1 and E2) control the state of the outputs independently of the address inputs or latch operation.
- Surface Mount Package: Available in SOIC-16 package, suitable for surface mount technology..
Applications
- Bus-Oriented Systems: Ideal for strobes (stored address) applications in bus-oriented systems.
- 3-State Systems: Suitable for implementing non-overlapping decoders in 3-state systems.
- Automotive and Industrial Applications: Part of Nexperia’s portfolio that powers various applications across automotive, industrial, and other sectors.
- Consumer and Mobile Devices: Can be used in consumer electronics and mobile devices due to its low power consumption and high-speed operation.
Q & A
- What is the primary function of the 74HC237D,653 IC?
The primary function of the 74HC237D,653 is to act as a 3-to-8 line decoder and demultiplexer with address latches.
- What is the supply voltage range for the 74HC237D,653?
The supply voltage range is from 2.0 V to 6.0 V.
- What is the propagation delay of the 74HC237D,653?
The propagation delay (tpd) is 18 ns.
- What type of package is the 74HC237D,653 available in?
The IC is available in an SOIC-16 package (SOT109-1)..
- Is the 74HC237D,653 RoHS compliant?
Yes, the 74HC237D,653 is RoHS compliant..
- What is the operating temperature range for the 74HC237D,653?
The operating temperature range is from -40°C to 125°C..
- How does the latch enable (LE) input affect the 74HC237D,653?
When the latch enable (LE) is LOW, the IC 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 74HC237D,653?
The output enable inputs (E1 and E2) control the state of the outputs independently of the address inputs or latch operation.
- What are some typical applications of the 74HC237D,653?
Typical applications include bus-oriented systems, 3-state systems, automotive, industrial, consumer, and mobile devices.
- How many outputs does the 74HC237D,653 have?
The 74HC237D,653 has 8 outputs..
- What is the output drive capability of the 74HC237D,653?
The output drive capability is ± 5.2 mA.
