Overview
The 74HC154DB,118 is a 4-to-16 line decoder/demultiplexer integrated circuit produced by NXP USA Inc. (now known as Nexperia). This device is part of the 74HC series, known for its high-speed CMOS logic. It decodes four binary weighted address inputs (A0 to A3) to sixteen mutually exclusive outputs (Y0 to Y15), making it highly versatile for various digital logic applications.
Key Specifications
| Parameter | Description |
|---|---|
| Type | Decoder/Demultiplexer |
| Voltage Supply | 2.0 V to 6.0 V |
| Package | 24-SSOP (0.209', 5.30mm Width) |
| Operating Temperature | -40°C to 125°C |
| Mounting Type | Surface Mount |
| Independent Circuits | 1 |
| Output Drive Capability | ± 5.2 mA |
| Propagation Delay (tpd) | 11 ns (VCC = 6.0 V) |
| Power Dissipation | Low power dissipation |
| RoHS Status | RoHS Compliant |
Key Features
- Wide supply voltage range from 2.0 V to 6.0 V, making it versatile for various applications.
- CMOS low power dissipation, reducing energy consumption.
- High noise immunity, ensuring reliable operation in noisy environments.
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B, enhancing reliability.
- Two input enable (E0 and E1) inputs, allowing for flexible control over the outputs.
- Inputs include clamp diodes, enabling the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Applications
- Data routing and memory address decoding.
- Digital logic circuits requiring decoding or demultiplexing functions.
- General-purpose digital switching applications.
- Embedded systems and microcontroller projects needing address decoding.
Q & A
- What is the primary function of the 74HC154DB,118?
The primary function is to act as a 4-to-16 line decoder/demultiplexer, decoding four binary weighted address inputs to sixteen mutually exclusive outputs.
- What is the voltage supply range for the 74HC154DB,118?
The voltage supply range is from 2.0 V to 6.0 V.
- What package type does the 74HC154DB,118 come in?
The device comes in a 24-SSOP package.
- What is the operating temperature range for the 74HC154DB,118?
The operating temperature range is from -40°C to 125°C.
- How many independent circuits does the 74HC154DB,118 contain?
The device contains 1 independent circuit.
- What is the output drive capability of the 74HC154DB,118?
The output drive capability is ± 5.2 mA.
- What is the propagation delay (tpd) of the 74HC154DB,118 at VCC = 6.0 V?
The propagation delay is approximately 11 ns at VCC = 6.0 V.
- Is the 74HC154DB,118 RoHS compliant?
Yes, the device is RoHS compliant.
- Can the 74HC154DB,118 be used as a demultiplexer?
Yes, it can be used as a 1-to-16 demultiplexer by using one of the enable inputs as the multiplexed data input.
- What are some common applications of the 74HC154DB,118?
Common applications include data routing, memory address decoding, and general-purpose digital switching.
