SN74LS93DG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Binary Counter
• Characteristics:
  • Low-power Schottky (LS) technology
  • 4-bit synchronous binary counter
  • Divide-by-2 and divide-by-8 options
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: High-performance, low-power binary counter IC
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 33 MHz
• Number of Pins: 14
• Logic Family: LS-TTL (Low-Power Schottky Transistor-Transistor Logic)

Detailed Pin Configuration

1. CLK (Clock Input)
2. RCO (Ripple Carry Output)
3. QD (Least Significant Bit Output)
4. QC (Second Least Significant Bit Output)
5. QB (Second Most Significant Bit Output)
6. QA (Most Significant Bit Output)
7. GND (Ground)
8. VCC (Supply Voltage)
9. A (Binary Input A)
10. B (Binary Input B)
11. C (Binary Input C)
12. CLR (Clear Input)
13. ENT (Enable Count Input)
14. NC (No Connection)

Functional Features

• Synchronous operation with a common clock input (CLK)
• Can be configured as a divide-by-2 or divide-by-8 counter
• Ripple carry output (RCO) for cascading multiple counters
• Clear input (CLR) to reset the counter to zero
• Enable count input (ENT) to enable/disable counting

Advantages

• Low-power consumption due to LS technology
• High-speed operation with a maximum clock frequency of 33 MHz
• Compact SOIC package for space-constrained applications
• Versatile counter with divide-by-2 and divide-by-8 options

Disadvantages

• Limited number of bits (4-bit) compared to higher-bit counters
• Not suitable for applications requiring larger counting ranges

Working Principles

The SN74LS93DG4 is a synchronous binary counter that operates based on the input clock signal. It counts in binary from 0 to 15 (in decimal) and can be configured as either a divide-by-2 or divide-by-8 counter. The counter advances on each rising edge of the clock signal, and the count value is displayed on the four output pins (QA, QB, QC, QD). The ripple carry output (RCO) allows cascading multiple counters to achieve larger counting ranges.

Detailed Application Field Plans

The SN74LS93DG4 is commonly used in various digital systems and applications, including:

1. Frequency Division: The divide-by-2 and divide-by-8 options make it suitable for frequency division applications, such as clock generation circuits.
2. Event Counting: It can be used to count events or pulses in electronic systems, such as in industrial automation or scientific instruments.
3. Digital Displays: The counter outputs can be utilized to drive digital displays, such as seven-segment displays, for numerical representation.
4. Sequential Logic: The counter can be integrated into sequential logic circuits, such as state machines or sequence generators.

Detailed and Complete Alternative Models

1. CD4017BE: Decade Counter/Divider IC with 10 outputs and versatile counting modes.
2. 74HC163: 4-bit Synchronous Binary Counter with asynchronous reset and parallel load capabilities.
3. CD4020B: 14-stage Binary Counter/Divider with higher counting range and additional features.

These alternative models offer different features and specifications, providing options for various application requirements.

Word count: 457 words