The SN74ALS191ANSRG4, manufactured by Texas Instruments, is a high-performance, 4-bit binary up/down counter integrated circuit. This versatile device is designed for counting applications in various types of digital systems, from simple counters to complex computing devices. The SN74ALS191ANSRG4 is a member of the Advanced Low-Power Schottky (ALS) family, which ensures low power consumption while providing high-speed operation.

Key Features

• Logic Family: ALS - Advanced Low-Power Schottky
• Counting Sequence: Up/Down
• Number of Bits: 4 bits
• Output Type: Differential
• Supply Voltage: Typically 5V
• Operating Temperature Range: 0°C to 70°C
• Package / Case: SOIC-16

The device features a fully synchronous internal architecture, which allows it to achieve high-speed counting without the risk of counting errors due to propagation delays. The SN74ALS191ANSRG4 offers both up and down counting capabilities, which can be easily controlled via two separate inputs. This functionality makes it highly adaptable for bidirectional counters and reversible counters in computing and industrial applications.

Applications

The SN74ALS191ANSRG4 is suitable for a wide range of applications, including:

• Programmable dividers
• Frequency counters
• Digital clocks
• Process control counters
• System monitoring

Its robust design ensures reliable operation in standard conditions, and it is packaged in a small-outline integrated circuit (SOIC) package, which is ideal for space-constrained applications. The SN74ALS191ANSRG4 is also characterized for operation from 0°C to 70°C, ensuring functionality across a wide range of environmental conditions.

Overall, the SN74ALS191ANSRG4 from Texas Instruments represents a high-quality, reliable choice for designers and engineers looking for a 4-bit counter with low power consumption and high-speed operation.