Overview
The 74HC138N,652 is a 3-to-8 line decoder/demultiplexer integrated circuit manufactured by NXP USA Inc. This component is part of the 74HC series and is widely used in digital logic circuits for decoding and demultiplexing applications. It features a single supply voltage range of 2 V to 6 V, making it versatile for various electronic systems. The device is packaged in a 16-DIP (Dual In-Line Package) and is RoHS compliant, ensuring environmental sustainability.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | 74HC138N,652 |
| Manufacturer | NXP USA Inc. |
| Description | IC DECODER/DEMUX 3-8 LINE 16DIP |
| Series | 74HC |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Mounting Type | Through Hole |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 2 V ~ 6 V |
| Operating Temperature | -40°C ~ 125°C |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Independent Circuits | 1 |
| Circuit | 1 x 3:8 |
| Current - Output High, Low | 5.2mA, 5.2mA |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Decodes three binary weighted address inputs (A0, A1, and A2) to eight mutually exclusive outputs (Y0 to Y7).
- Features three enable inputs (E1, E2, and E3) allowing for easy parallel expansion and demultiplexing capabilities.
- Complies with JEDEC standard no. 7A and supports both CMOS and TTL input levels.
- ESD protection: HBM JESD22-A114F exceeds 2000 V and MM JESD22-A115-A exceeds 200 V.
- Active LOW mutually exclusive outputs.
- Multiple package options and specified operating temperatures from -40°C to +125°C.
Applications
The 74HC138N,652 is commonly used in various digital logic circuits, including:
- Memory chip select decoding.
- Demultiplexing applications where one of the active LOW enable inputs can be used as the data input and the remaining enable inputs as strobes.
- Parallel expansion to higher-order decoders, such as 1-of-32 decoders, using multiple 138 ICs and an inverter.
- General-purpose decoding and demultiplexing in digital systems.
Q & A
- What is the primary function of the 74HC138N,652? The primary function is to decode three binary weighted address inputs to eight mutually exclusive outputs and to act as a demultiplexer.
- What is the voltage supply range for the 74HC138N,652? The voltage supply range is from 2 V to 6 V.
- What type of package does the 74HC138N,652 come in? It comes in a 16-DIP (Dual In-Line Package).
- Is the 74HC138N,652 RoHS compliant? Yes, it is lead-free and RoHS compliant.
- What are the operating temperature ranges for the 74HC138N,652? The operating temperature ranges from -40°C to 125°C.
- How many enable inputs does the 74HC138N,652 have? It has three enable inputs (E1, E2, and E3).
- Can the 74HC138N,652 be used for demultiplexing? Yes, it can be used as an eight-output demultiplexer by using one of the active LOW enable inputs as the data input and the remaining enable inputs as strobes.
- What is the moisture sensitivity level (MSL) of the 74HC138N,652? The MSL is 1 (Unlimited).
- How many independent circuits does the 74HC138N,652 contain? It contains one independent circuit.
- What is the current output capability of the 74HC138N,652? The current output is 5.2mA for both high and low outputs).
