The NXP 74HCT193 is a high-speed Si-gate CMOS device and is pin compatible with low power Schottky TTL (LSTTL). It is specified in compliance with JEDEC standard no. 7A. The 74HCT193 is a 4-bit synchronous binary up/down counter that offers a wide range of counting operations in high-performance computing and control systems.

Features

• Synchronous Reversible 4-bit Binary Counting: The counter can count both up and down in binary fashion, providing versatile counting capabilities suitable for a variety of applications.
• High-Speed Performance: The 74HCT193 operates at high speeds, matching the performance requirements for fast computing environments.
• Two Count Enable Inputs: The device includes two count enable inputs (nCEP and nCET) that control the counting functions, allowing for more precise control of the counting process.
• Dual Clocks: With separate up (UP) and down (DOWN) clock inputs, this counter provides flexibility in controlling the count sequencing.
• Output Capability: The 74HCT193 can drive 15 LSTTL loads, making it compatible with a range of digital circuits.
• Wide Operating Voltage: It operates over a wide voltage range from 2.0 to 6.0 V, accommodating various power supply levels.
• Low Power Consumption: The device is designed with energy efficiency in mind, ensuring low power consumption during operation.
• Standard Pin Configuration: The device is available in standard 16-pin DIP, SO, and (T)SSOP packages, facilitating easy integration into existing designs.

Applications

The NXP 74HCT193 is ideal for use in applications that require precise and reliable counting, such as:

• Industrial control systems
• Process counters
• Frequency dividers
• Timers and clocks
• Programmable logic controllers (PLCs)

With its robust feature set and compatibility with LSTTL logic levels, the NXP 74HCT193 is a versatile choice for designers looking to implement a reliable counter in their digital systems.