Overview
The 74HCT138PW-Q100,11 is a 3-to-8 line decoder/demultiplexer integrated circuit produced by Nexperia USA Inc. This device is part of the 74HCT series and is designed to decode three binary weighted address inputs (A0, A1, and A2) into eight mutually exclusive outputs (Y0 to Y7). It features three enable inputs (E1, E2, and E3), allowing for easy parallel expansion and demultiplexing capabilities. The 74HCT138PW-Q100,11 is suitable for a wide range of applications, including automotive, industrial, and consumer electronics, due to its robust specifications and compliance with automotive standards such as AEC-Q100 Grade 1.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|
| 74HCT138PW-Q100,11 | 4.5 - 5.5 | TTL | ± 4 | 19 | Low | -40 ~ 125 | TSSOP16 |
Key Features
- Decoding and Demultiplexing Capability: Decodes three binary weighted address inputs to eight mutually exclusive outputs.
- Multiple Enable Inputs: Features three enable inputs (E1, E2, and E3) for easy parallel expansion and demultiplexing.
- Wide Supply Voltage Range: Operates from 4.5 to 5.5 volts.
- Low Power Dissipation: CMOS low power dissipation.
- High Noise Immunity: High noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
- ESD Protection: ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V.
- Automotive Qualified: Qualified to the Automotive Electronics Council (AEC) standard Q100 Grade 1.
- Package Options: Available in TSSOP16 package with Side-Wettable Flanks for Automatic Optical Inspection (AOI) of solder joints.
Applications
- Automotive Systems: Suitable for use in automotive applications due to its AEC-Q100 Grade 1 qualification.
- Industrial Electronics: Used in industrial control systems, automation, and other industrial applications.
- Consumer Electronics: Found in various consumer electronic devices requiring decoding and demultiplexing functions.
- Memory Chip Select Decoding: Ideal for memory chip select decoding in computing systems.
Q & A
- What is the primary function of the 74HCT138PW-Q100,11 IC?
The primary function is to decode three binary weighted address inputs into eight mutually exclusive outputs and to act as a demultiplexer.
- What are the logic switching levels for the 74HCT138PW-Q100,11?
The logic switching levels are TTL (Transistor-Transistor Logic).
- What is the operating voltage range for the 74HCT138PW-Q100,11?
The operating voltage range is from 4.5 to 5.5 volts.
- What is the output drive capability of the 74HCT138PW-Q100,11?
The output drive capability is ± 4 mA.
- What is the propagation delay (tpd) for the 74HCT138PW-Q100,11?
The propagation delay is 19 ns.
- Is the 74HCT138PW-Q100,11 qualified for automotive applications?
Yes, it is qualified to the Automotive Electronics Council (AEC) standard Q100 Grade 1.
- What package options are available for the 74HCT138PW-Q100,11?
It is available in a TSSOP16 package with Side-Wettable Flanks.
- What is the operating temperature range for the 74HCT138PW-Q100,11?
The operating temperature range is from -40°C to 125°C.
- Does the 74HCT138PW-Q100,11 have ESD protection?
Yes, it has ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V.
- How can the 74HCT138PW-Q100,11 be used in demultiplexing applications?
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.
