SN74LS161ADRG4: 4-Bit Binary Counters

The SN74LS161ADRG4 from Texas Instruments is a high-performance, monolithic 4-bit binary counter that belongs to the 74LS family of logic devices. This integrated circuit (IC) is designed to count in binary from 0 to 15 and is a key component for applications requiring precise timing and counting operations. The device comes in a 16-pin SOIC package, making it suitable for surface-mount technology (SMT) on modern printed circuit boards (PCBs).

Features

• Counting Sequences: Capable of counting in binary from 0 to 15, the SN74LS161ADRG4 can perform both synchronous and ripple carry counting sequences, offering versatility in a variety of digital applications.
• Direct Clear Function: The inclusion of a direct clear function allows for immediate resetting of the counter to its zero state, ensuring that the device can quickly be prepared for a new counting operation.
• Loadable Count: Users can preload the counter with a specific binary number using the parallel load inputs, enabling the counter to start from a predetermined value.
• Output Capability: The counter features standard bipolar output drive, which is both robust and capable of driving a range of standard loads.
• Operating Voltage: The SN74LS161ADRG4 operates over a voltage range of 4.75V to 5.25V, which aligns with the typical power supply levels for logic devices.

Applications

The SN74LS161ADRG4 is ideal for a wide range of applications that require reliable and accurate counting capabilities. It is commonly used in:

• Digital clocks and timers
• Frequency dividers
• Programmable counters
• Sequencers
• State machines

Quality and Reliability

Texas Instruments is renowned for their commitment to quality and reliability, and the SN74LS161ADRG4 is no exception. The device is designed to meet the stringent requirements of industrial and commercial applications, ensuring long-term performance and stability. With Texas Instruments' dedication to manufacturing excellence, customers can trust the SN74LS161ADRG4 to perform reliably in their critical counting applications.

For detailed specifications and application notes, designers and engineers are encouraged to consult the official datasheet and Texas Instruments' technical support resources.