Overview
The 74LVC139DB,118 is a dual 2-to-4 line decoder/demultiplexer integrated circuit produced by NXP USA Inc. This component is part of the 74LVC series and is designed to decode two binary weighted address inputs into four mutually exclusive outputs. It features Schmitt-trigger action at all inputs, making it tolerant of slower input rise and fall times. Although this product has been discontinued, it remains relevant for existing designs and legacy systems.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | 74LVC139DB,118 |
| Description | IC Dual 2-4 Decoder/Demultiplexer |
| Package / Case | 16-SSOP (0.209", 5.30mm Width) |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 2.7 V ~ 3.6 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Independent Circuits | 2 |
| Current - Output High, Low | 24mA, 24mA |
| Circuit | 1 x 2:4 |
Key Features
- Schmitt-trigger action at all inputs for tolerance of slower input rise and fall times.
- Wide supply voltage range from 1.2 V to 3.6 V.
- Overvoltage tolerant inputs to 5.5 V.
- CMOS low power dissipation.
- Direct interface with TTL levels.
- Demultiplexing capability.
- Two independent 2-to-4 decoders.
- Multifunction capability.
- Mutually exclusive outputs.
- Output drive capability for 50 Ω transmission lines at 125 °C.
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V), CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V).
Applications
The 74LVC139DB,118 is suitable for a variety of applications, including:
- Decoder and demultiplexer functions in digital circuits.
- Mixed 3.3 V and 5 V environment applications due to its overvoltage tolerant inputs.
- Low power consumption designs where CMOS technology is beneficial.
- Systems requiring high ESD protection and robustness).
Q & A
- What is the primary function of the 74LVC139DB,118?
The primary function is to decode two binary weighted address inputs into four mutually exclusive outputs and to act as a demultiplexer).
- What is the voltage supply range for this IC?
The voltage supply range is from 2.7 V to 3.6 V).
- What type of package does the 74LVC139DB,118 come in?
The IC comes in a 16-SSOP (Shrink Small Outline Package) with a width of 5.30mm).
- Is the 74LVC139DB,118 still in production?
No, this product has been discontinued).
- What is the operating temperature range for this IC?
The operating temperature range is from -40°C to 125°C).
- Does the 74LVC139DB,118 have ESD protection?
- Can the 74LVC139DB,118 be used in mixed voltage environments?
- What is the current output capability of the 74LVC139DB,118?
- Does the 74LVC139DB,118 support Schmitt-trigger action?
- What are the key benefits of using the 74LVC139DB,118?
