MC74HC161ADTR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed operation, low power consumption
• Package: TSSOP-16
• Essence: 4-bit synchronous binary counter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -55°C to +125°C
• Maximum Clock Frequency: 50 MHz
• Number of Counting Stages: 4
• Output Type: Synchronous

Detailed Pin Configuration

The MC74HC161ADTR2G has a total of 16 pins. The pin configuration is as follows:

1. Clock Enable (CE)
2. Asynchronous Clear (CLR)
3. Parallel Load (PL)
4. Data Inputs (D0-D3)
5. Carry Out (CO)
6. Clock (CLK)
7. Down/Up (D/U)
8. Carry In (CI)
9. Q0 Output
10. Q1 Output
11. Q2 Output
12. Q3 Output
13. GND (Ground)
14. Q3' Output
15. Q2' Output
16. VCC (Supply Voltage)

Functional Features

The MC74HC161ADTR2G is a 4-bit synchronous binary counter with an asynchronous clear input and a parallel load capability. It operates at high speed while consuming low power. The counter can count up or down based on the state of the Down/Up input. It also features a carry input and carry output for cascading multiple counters.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting. - Low power consumption makes it suitable for battery-powered devices. - Versatile functionality with synchronous counting, parallel loading, and cascading capabilities.

Disadvantages: - Limited number of counting stages (4 bits). - Requires external clock signal for operation.

Working Principles

The MC74HC161ADTR2G operates based on the principle of synchronous counting. The counter advances its count by one on each rising edge of the clock signal when the Clock Enable (CE) input is high. The Down/Up (D/U) input determines whether the counter counts up or down. When the Parallel Load (PL) input is high, the counter loads the data from the Data Inputs (D0-D3) into its internal registers. The Asynchronous Clear (CLR) input resets the counter to zero when activated.

Detailed Application Field Plans

The MC74HC161ADTR2G can be used in various applications that require counting functionality. Some potential application fields include:

1. Digital frequency counters
2. Industrial automation systems
3. Electronic test equipment
4. Communication devices
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74HC161: Similar 4-bit synchronous binary counter from Texas Instruments.
2. CD74HC161: Another 4-bit synchronous binary counter from Texas Instruments.
3. 74HCT161: 4-bit synchronous binary counter with similar functionality from NXP Semiconductors.
4. 74LS161: 4-bit synchronous binary counter with different technology (TTL) from various manufacturers.

Note: This list is not exhaustive, and there may be other alternative models available in the market.

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