STMicroelectronics M74HC166RM13TR Product Overview

The M74HC166RM13TR is a high-speed CMOS 8-bit parallel-in/serial-out shift register designed and manufactured by STMicroelectronics, a global leader in semiconductor solutions. This integrated circuit is part of the HC family, which is recognized for its high-speed performance combined with the low power consumption of CMOS technology.

This device features an 8-bit serial shift register that operates with a parallel-in access. It is capable of shifting its stored data toward the serial output Q7’ on each positive-going transition of the clock pulse when the shift/load (SH/LD) input is held low. When SH/LD is held high, the parallel inputs (A to H) are enabled and data is loaded into the register asynchronously with respect to the clock.

The M74HC166RM13TR operates over a wide voltage range from 2V to 6V and is characterized for operation from -55°C to +125°C, making it suitable for a variety of applications, including industrial and automotive environments. It is also equipped with an output enable (OE) input that, when held high, will disable the output stage by placing it in a high impedance state, thus allowing the outputs to be tied together without causing any conflicts.

This device is provided in a small and convenient surface-mount package, specifically in a TSSOP16 (Thin Shrink Small Outline Package) configuration, which allows for a compact PCB layout and is ideal for space-constrained applications.

Key features of the M74HC166RM13TR include:

• High-speed CMOS technology
• 8-bit parallel-in or serial-out shift register
• Wide operating voltage range: 2V to 6V
• Low power consumption: 80 µA maximum ICC
• High noise immunity
• Output enable (OE) for bus-oriented applications
• Complies with JEDEC standard no. 7A
• ESD performance:
  • HBM: 2 kV
  • MM: 200 V

The M74HC166RM13TR is an excellent choice for designers who require a reliable and efficient shift register that can handle parallel-to-serial data conversion in their digital systems. Its robust design and compatibility with a wide range of operating conditions make it a versatile component for numerous applications.