SN74AS163DRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter
• Characteristics: High-speed, synchronous, 4-bit binary counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A digital counter that can count up or down in binary format
• Packaging/Quantity: Tape and reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Logic Family: AS (Advanced Schottky)
• Number of Bits: 4
• Counting Modes: Up, Down, Asynchronous Load
• Maximum Clock Frequency: 125 MHz
• Output Drive Capability: ±24 mA
• Propagation Delay: 8 ns (typical)

Detailed Pin Configuration

The SN74AS163DRG4 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. P0 (Parallel Data Input Bit 0)
5. P1 (Parallel Data Input Bit 1)
6. P2 (Parallel Data Input Bit 2)
7. P3 (Parallel Data Input Bit 3)
8. Q0 (Serial Data Output Bit 0)
9. Q1 (Serial Data Output Bit 1)
10. Q2 (Serial Data Output Bit 2)
11. Q3 (Serial Data Output Bit 3)
12. GND (Ground)
13. VCC (Supply Voltage)
14. CE (Count Enable Input)
15. ENT (Enable Tertiary Input)
16. CEP (Count Enable Parallel Input)

Functional Features

• Synchronous operation with the clock input.
• Can count up or down based on the selected counting mode.
• Supports asynchronous parallel loading of data.
• Outputs the count value in serial format.
• Reset function to clear the counter.
• Enable tertiary input for additional control.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick counting. - Synchronous design ensures accurate and reliable counting. - Versatile counting modes provide flexibility in various applications. - Asynchronous parallel loading enables easy initialization of the counter.

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring larger counters. - Requires an external clock signal for operation. - May consume relatively higher power compared to low-power counter ICs.

Working Principles

The SN74AS163DRG4 is a synchronous counter that operates based on the clock input. When the clock signal transitions from low to high, the counter increments or decrements its count value based on the selected counting mode. The count value is stored internally and can be accessed through the serial output pins. The counter can also be asynchronously loaded with new data by activating the parallel load input. The master reset input clears the counter to its initial state.

Detailed Application Field Plans

The SN74AS163DRG4 is commonly used in various applications that require counting functionality. Some potential application fields include:

1. Digital frequency dividers
2. Event counters
3. Industrial automation systems
4. Traffic light controllers
5. Electronic gaming devices
6. Data communication equipment
7. Test and measurement instruments

Detailed and Complete Alternative Models

1. SN74LS163N: Similar 4-bit synchronous binary counter with different logic family (LS).
2. CD40163BE: 4-bit synchronous up/down counter with parallel load capability.
3. MC14516BCL: 4-bit synchronous binary counter with asynchronous reset and parallel load features.

These alternative models offer similar functionality and can be considered as substitutes for the SN74AS163DRG4 in different applications.

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