Overview
The SN74AHCT138PWR is a 3-line to 8-line decoder/demultiplexer integrated circuit produced by Texas Instruments. This component is designed for high-performance memory-decoding and data-routing applications, particularly where short propagation-delay times are crucial. It is part of the AHCT series, known for its high-speed and low-power consumption characteristics, making it suitable for use in advanced memory systems and data transmission networks.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | TSSOP (PW) | - |
| Number of Pins | 16 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage (VCC) | 4.5 to 5.5 | V |
| Propagation Delay Time (tPLH, tPHL) | 6.6 to 10.5 | ns |
| ESD Protection | ±2000V (human-body model), ±1000V (charged-device model) | - |
| Latch-up Performance | Exceeds 250mA per JESD 17 | - |
| Thermal Resistance (RθJA) | 135.9 | °C/W |
Key Features
- Inputs are TTL-voltage compatible.
- Designed specifically for high-speed memory decoders and data-transmission systems.
- Incorporate three enable inputs to simplify cascading and/or data reception.
- ESD protection exceeds JESD 22 standards.
- Latch-up performance exceeds 250mA per JESD 17.
Applications
The SN74AHCT138PWR is ideal for high-performance memory-decoding and data-routing applications. It can be used in various systems that require fast decoding and minimal propagation delay times, such as advanced memory systems, data transmission networks, and other high-speed digital circuits.
Q & A
- What is the primary function of the SN74AHCT138PWR? The primary function is to act as a 3-line to 8-line decoder/demultiplexer.
- What are the operating temperature ranges for the SN74AHCT138PWR? The operating temperature range is from -40°C to 85°C.
- What type of package does the SN74AHCT138PWR come in? It comes in a TSSOP (PW) package with 16 pins.
- What is the typical propagation delay time for the SN74AHCT138PWR? The typical propagation delay time ranges from 6.6 to 10.5 ns.
- Does the SN74AHCT138PWR have ESD protection? Yes, it exceeds JESD 22 standards with ±2000V human-body model and ±1000V charged-device model protection.
- What is the latch-up performance of the SN74AHCT138PWR? It exceeds 250mA per JESD 17.
- What are the input voltage compatibility and supply voltage requirements? Inputs are TTL-voltage compatible, and the supply voltage (VCC) ranges from 4.5 to 5.5 V.
- How many enable inputs does the SN74AHCT138PWR have? It has three enable inputs to simplify cascading and/or data reception.
- What are some typical applications for the SN74AHCT138PWR? It is used in high-performance memory systems, data transmission networks, and other high-speed digital circuits.
- What is the thermal resistance (RθJA) of the SN74AHCT138PWR in the TSSOP package? The thermal resistance (RθJA) is 135.9 °C/W.
