The CD74HCT259M is a high-speed CMOS Logic 8-Bit Addressable Latch manufactured by Texas Instruments, designed to operate in a broad range of applications. This versatile component is part of the HCT family, featuring a silicon-gate CMOS technology that ensures compatibility with all common logic families when operating at 5V.
With its addressable latch function, the CD74HCT259M allows for the selection of a single data output to be written by using a 3-bit binary address. This makes it an ideal choice for implementing memory address decoding, thereby reducing the number of components required in a system. The device also features a Data Enable input that, when held in the active state, allows the latch to be written. When in the inactive state, the output will remain unaffected by changes in the input data or address lines.
Key Features:
- Logic Type: 8-Bit Addressable Latch
- Operating Voltage: 4.5V to 5.5V, optimized for 5V systems
- Output Capability: Standard outputs with a fan-out of 10 LS-TTL loads
- IC Package Type: SOIC, with a 16-pin configuration
- Propagation Delay Time: Fast propagation delays, typically 18ns at 5V
- Operating Temperature: A wide range from -55°C to 125°C
The CD74HCT259M is particularly well-suited for applications that require high-speed operation without sacrificing power efficiency. Its low power consumption and high noise immunity are characteristic of CMOS circuitry, while its latch-up performance exceeds 250mA, making it a robust choice for industrial and commercial applications.
Whether used in data storage, retrieval systems, or as part of a more complex digital logic circuit, the CD74HCT259M brings reliability and versatility to designers looking for an 8-bit addressable latch solution. Its ease of use, combined with the support and resources available from Texas Instruments, ensures that this component remains a staple in electronic design projects.
