SN74ALS163BDRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A versatile counter IC used in various digital applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Logic Family: ALS (Advanced Low-Power Schottky)
• Number of Bits: 4
• Clock Frequency: Up to 125 MHz
• Output Drive Capability: 10 LSTTL Loads
• Propagation Delay: 8 ns (typical)

Detailed Pin Configuration

The SN74ALS163BDRE4 has a total of 16 pins, which are as follows:

1. CLR (Clear)
2. CLK (Clock)
3. ENP (Enable Parallel)
4. ENT (Enable Count)
5. LOAD (Parallel Load)
6. D0 (Data Input 0)
7. D1 (Data Input 1)
8. D2 (Data Input 2)
9. D3 (Data Input 3)
10. Q0 (Output 0)
11. Q1 (Output 1)
12. Q2 (Output 2)
13. Q3 (Output 3)
14. GND (Ground)
15. VCC (Supply Voltage)
16. NC (No Connection)

Functional Features

• Synchronous operation with a common clock input
• Parallel load capability for presetting the counter value
• Enable inputs for controlling count and parallel load operations
• Asynchronous clear input for resetting the counter
• Outputs can drive up to 10 LSTTL loads
• High-speed operation with low power consumption

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting in various applications - Synchronous design ensures accurate and reliable counting - Parallel load capability enables presetting the counter value - Low power consumption makes it suitable for battery-powered devices

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring higher bit counts - Requires an external clock signal for operation

Working Principles

The SN74ALS163BDRE4 is a synchronous 4-bit binary counter. It operates based on the input clock signal, which synchronizes the counting process. The counter can be preset using the parallel load input, allowing for a specific initial count value. The enable inputs control the count and parallel load operations. The asynchronous clear input resets the counter to its initial state.

Detailed Application Field Plans

The SN74ALS163BDRE4 is widely used in digital systems that require counting functionality. Some of the application fields where this IC finds use are:

1. Digital frequency dividers
2. Event counters
3. Time delay circuits
4. Industrial automation
5. Communication systems
6. Data processing equipment
7. Test and measurement instruments

Detailed and Complete Alternative Models

1. SN74ALS161B: 4-bit synchronous binary counter with asynchronous reset
2. SN74ALS162B: 4-bit synchronous binary counter with synchronous reset
3. SN74ALS164B: 8-bit serial-in/parallel-out shift register with asynchronous clear

These alternative models offer similar functionality to the SN74ALS163BDRE4 and can be considered as alternatives depending on specific requirements.

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