Overview
The 74HC138PW-Q100,118 is a 3-to-8 line decoder/demultiplexer integrated circuit produced by Nexperia USA Inc. This device is part of the 74HC series, known for its high-speed CMOS logic. It decodes three binary weighted address inputs (A0, A1, and A2) to eight mutually exclusive outputs (Y0 to Y7), making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC138PW-Q100,118 |
| Package | TSSOP16 (SOT403-1) |
| Supply Voltage (VCC) | 2.0 - 6.0 V |
| Logic Switching Levels | CMOS |
| Output Drive Capability | ± 5.2 mA |
| Propagation Delay (tpd) | 12 ns |
| Power Dissipation | Low power dissipation |
| Operating Temperature (Tamb) | -40 °C to +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 |
Key Features
- Decodes three binary weighted address inputs to eight mutually exclusive outputs.
- Features three enable inputs (E1, E2, and E3) allowing for easy parallel expansion.
- 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.
- Inputs include clamp diodes for interfacing with voltages in excess of VCC.
- High noise immunity and latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V).
Applications
The 74HC138PW-Q100,118 is ideal for various applications including:
- Memory chip select decoding.
- Digital circuit design where decoding or demultiplexing is required.
- Automotive and industrial electronics.
- Consumer and mobile devices.
- Computing and power management systems.
Q & A
- What is the primary function of the 74HC138PW-Q100,118? The primary function is to decode three binary weighted address inputs to eight mutually exclusive outputs.
- What are the supply voltage ranges for this IC? The supply voltage range is from 2.0 to 6.0 V.
- What is the package type of the 74HC138PW-Q100,118? The package type is TSSOP16 (SOT403-1).
- Can this IC be used as a demultiplexer? 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 are the logic switching levels for this IC? The logic switching levels are CMOS.
- What is the propagation delay of the 74HC138PW-Q100,118? The propagation delay is 12 ns.
- Does the IC have ESD protection? Yes, it has ESD protection: HBM exceeds 2000 V and CDM exceeds 1000 V.
- What are the operating temperature ranges for this IC? The operating temperature range is from -40 °C to +125 °C.
- Is the IC compliant with any JEDEC standards? Yes, it complies with JEDEC standards JESD8C and JESD7A.
- What are some typical applications of the 74HC138PW-Q100,118? Typical applications include memory chip select decoding, digital circuit design, automotive and industrial electronics, consumer and mobile devices, and computing and power management systems.
