Overview
The CD74HCT138MTG4 is a high-speed CMOS logic 3-to-8 line decoder/demultiplexer integrated circuit (IC) produced by Texas Instruments. This device is part of the 74HCT series and is designed to operate within a supply voltage range of 4.5V to 5.5V, making it versatile for various digital circuit applications. The IC features two active-low and one active-high enable inputs, allowing for flexible control over the decoding and demultiplexing functions.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Decoder/Demultiplexer |
| Circuit | 1 x 3:8 |
| Independent Circuits | 1 |
| Mounting Type | Surface Mount |
| Package | 16-SOIC (0.154", 3.90mm Width) |
| Number of Pins | 16 |
| Operating Temperature | -55°C ~ 125°C |
| Voltage Supply Source | Single Supply |
| Voltage | 4.5V ~ 5.5V |
| Current - Output High, Low | 4mA, 4mA |
| Propagation Delay (tpd) | 53 ns |
| Load Capacitance | 50 pF |
| Technology | CMOS |
| Output Polarity | Inverted |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Lead Free | Lead Free |
Key Features
- High-speed CMOS logic with a supply voltage range of 4.5V to 5.5V.
- 3-to-8 line decoder/demultiplexer functionality.
- Two active-low and one active-high enable inputs for flexible control.
- Surface mount package in 16-SOIC with a width of 3.90mm.
- Operating temperature range from -55°C to 125°C.
- Low propagation delay of 53 ns.
- Load capacitance of 50 pF.
- Inverted output polarity.
- ROHS3 compliant and lead-free.
Applications
The CD74HCT138MTG4 is suitable for a wide range of digital circuit applications, including:
- Decoder and demultiplexer circuits in digital systems.
- Control logic in microprocessor and microcontroller systems.
- Data routing and switching in communication systems.
- General-purpose digital logic circuits requiring high-speed and low power consumption.
Q & A
- What is the primary function of the CD74HCT138MTG4 IC?
The primary function is to act as a 3-to-8 line decoder/demultiplexer. - What is the supply voltage range for the CD74HCT138MTG4?
The supply voltage range is 4.5V to 5.5V. - What type of package does the CD74HCT138MTG4 come in?
The IC comes in a 16-SOIC package with a width of 3.90mm. - What is the operating temperature range for the CD74HCT138MTG4?
The operating temperature range is from -55°C to 125°C. - What is the propagation delay of the CD74HCT138MTG4?
The propagation delay is 53 ns. - Is the CD74HCT138MTG4 ROHS compliant?
Yes, it is ROHS3 compliant and lead-free. - How many enable inputs does the CD74HCT138MTG4 have?
The IC has two active-low and one active-high enable inputs. - What is the load capacitance of the CD74HCT138MTG4?
The load capacitance is 50 pF. - What technology is used in the CD74HCT138MTG4?
The technology used is CMOS. - Is the CD74HCT138MTG4 still in production?
No, the CD74HCT138MTG4 is listed as obsolete/discontinued.
