Overview
The 74HC238PW-Q100J, produced by Nexperia USA Inc., is a 3-to-8 line decoder/demultiplexer integrated circuit. This device is part of the 74HC and 74HCT series, which are known for their high performance and reliability in various electronic applications. The 74HC238PW-Q100J is specifically designed to decode three binary weighted address inputs (A0, A1, and A2) into eight mutually exclusive outputs (Y0 to Y7), making it ideal for memory chip select decoding and demultiplexing tasks. It is qualified to the AEC-Q100 (Grade 1) standard, ensuring its suitability for automotive and other demanding applications.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74HC238PW-Q100J | 2.0 - 6.0 | CMOS | ± 5.2 | 14 | Low | -40 to +125 | 126 | 4.8 | 55.6 | TSSOP16 |
Key Features
- Automotive Product Qualification: Compliant with AEC-Q100 (Grade 1) standard, suitable for automotive applications.
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V.
- Logic Levels: CMOS logic levels for 74HC238 and TTL logic levels for 74HCT238.
- Demultiplexing Capability: Can be used as an eight-output demultiplexer.
- Multiple Input Enable: Features three enable inputs (E1, E2, and E3) for easy expansion and parallel operation.
- High Noise Immunity: Ensures reliable operation in noisy environments.
- ESD Protection: HBM (Human Body Model) exceeds 2000 V and CDM (Charged Device Model) exceeds 1000 V.
- Multiple Package Options: Available in DHVQFN16, SO16, and TSSOP16 packages.
- Compliance with JEDEC Standards: Meets JESD8C and JESD7A standards.
Applications
The 74HC238PW-Q100J is versatile and can be used in a variety of applications, including:
- Automotive Electronics: Suitable for use in automotive systems due to its AEC-Q100 qualification.
- Memory Chip Select Decoding: Ideal for decoding address inputs in memory systems.
- Demultiplexing Tasks: Can be used to demultiplex data signals in various digital circuits.
- Industrial and Consumer Electronics: Applicable in industrial control systems, consumer electronics, and other general-purpose digital circuits.
Q & A
- What is the primary function of the 74HC238PW-Q100J?
The primary function is to decode three binary weighted address inputs into eight mutually exclusive outputs. - What are the logic levels supported by the 74HC238PW-Q100J?
The device supports CMOS logic levels. - What is the operating temperature range of the 74HC238PW-Q100J?
The device operates from -40°C to +125°C. - What are the package options available for the 74HC238PW-Q100J?
Available in TSSOP16, SO16, and DHVQFN16 packages. - Does the 74HC238PW-Q100J have ESD protection?
Yes, it has HBM and CDM ESD protection exceeding 2000 V and 1000 V respectively. - How many enable inputs does the 74HC238PW-Q100J have?
The device has three enable inputs (E1, E2, and E3). - Can the 74HC238PW-Q100J be used as a demultiplexer?
Yes, it can be used as an eight-output demultiplexer. - What is the output drive capability of the 74HC238PW-Q100J?
The output drive capability is ± 5.2 mA. - Is the 74HC238PW-Q100J compliant with any industry standards?
Yes, it complies with JEDEC standards JESD8C and JESD7A. - What is the typical propagation delay of the 74HC238PW-Q100J?
The typical propagation delay is 14 ns.
