Product Overview: 74HC238D by NXP Semiconductors

The 74HC238D is a high-speed Si-gate CMOS device and is pin compatible with low-power Schottky TTL (LSTTL). It is fabricated with silicon gate CMOS technology which ensures reduced power consumption and an increased immunity to noise. This integrated circuit is designed to be used in high-performance memory decoding or data-routing applications, requiring very short propagation delay times. Manufactured by NXP Semiconductors, a trusted name in the industry, the 74HC238D is a testament to the company's commitment to providing robust and reliable components.

Key Features

• Logic Type: 3-to-8 line decoder/demultiplexer
• Output Current: High 5.2 mA; Low -5.2 mA
• Supply Voltage Range: 2.0 to 6.0 V
• Operating Temperature: -40°C to +125°C
• Package: SO16; SOT109-1
• Power Dissipation: 500 mW

With its three binary select inputs (A0, A1, and A2), the 74HC238D can decode up to eight outputs, enabling the selection of one of eight output lines through the appropriate combination of select inputs. The device features an active LOW enable input (E1), and two active HIGH enable inputs (E2 and E3), which must be satisfied for the device to perform the decoding function.

The outputs of the 74HC238D are designed with standard push-pull configurations, which are capable of driving up to 15 LSTTL loads. Additionally, the outputs can drive 50 Ω transmission lines. The 74HC238D ensures a low power consumption with a typical ICCH of 4 μA, making it suitable for battery-operated and power-sensitive applications.

For designers and engineers looking for a reliable and versatile decoding solution, the 74HC238D from NXP Semiconductors is an excellent choice. Its wide supply voltage range and high noise immunity make it adaptable to a variety of digital applications. The device is available in a small-outline package, making it suitable for space-constrained applications while ensuring ease of PCB layout and assembly.

Whether used in complex microprocessor systems or simple logic control, the 74HC238D provides the performance and flexibility needed to meet the stringent requirements of modern electronic applications.