SN74LV161APWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: Low-voltage, synchronous, 4-bit binary counter
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: High-performance digital logic device
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 50MHz
• Number of Counting Stages: 4
• Output Type: Synchronous
• Logic Family: LV (Low-Voltage)

Detailed Pin Configuration

The SN74LV161APWRG4 has a total of 16 pins. The pin configuration is as follows:

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. CPD (Count Enable Parallel Input)
4. D0 (Data Input Bit 0)
5. D1 (Data Input Bit 1)
6. D2 (Data Input Bit 2)
7. D3 (Data Input Bit 3)
8. Q0 (Output Bit 0)
9. Q1 (Output Bit 1)
10. Q2 (Output Bit 2)
11. Q3 (Output Bit 3)
12. GND (Ground)
13. VCC (Power Supply)
14. CE (Count Enable Input)
15. TC (Terminal Count Output)
16. CP (Carry Output)

Functional Features

• Synchronous operation with a common clock input
• Reset function to clear the counter to zero
• Parallel load capability for presetting the counter value
• Terminal count output for indicating when the maximum count is reached
• Carry output for cascading multiple counters

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with a wide range of systems - Synchronous operation ensures accurate counting - Reset and parallel load functions provide flexibility in counter initialization - Terminal count and carry outputs enable easy integration with other devices

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring higher bit counts - TSSOP package may require careful handling during assembly

Working Principles

The SN74LV161APWRG4 is a synchronous binary counter that operates on a common clock input. It counts up from zero to its maximum value based on the clock pulses received. The counter can be reset to zero using the master reset input or preset to a specific value using the parallel load input. When the counter reaches its maximum count, the terminal count output is activated. The carry output allows cascading multiple counters to achieve higher bit counts.

Detailed Application Field Plans

The SN74LV161APWRG4 is commonly used in various applications, including:

1. Digital frequency dividers
2. Event counters
3. Time delay circuits
4. Industrial automation systems
5. Communication equipment

Detailed and Complete Alternative Models

1. SN74LV163APWRG4: 4-bit synchronous binary counter with parallel load
2. SN74LV162APWRG4: 4-bit synchronous binary counter with asynchronous reset
3. SN74LV164APWRG4: 8-bit serial-in/parallel-out shift register

These alternative models offer similar functionality but may have additional features or different pin configurations.

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