SN74ALS193ADRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics: High-speed, synchronous, 4-bit binary up/down counter
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A versatile and efficient counter/divider IC used in various digital applications
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Maximum Clock Frequency: 100MHz
• Number of Bits: 4
• Counting Modes: Up, Down, or Asynchronous Load
• Output Type: TTL (Transistor-Transistor Logic)
• Input Type: TTL-Compatible

Detailed Pin Configuration

The SN74ALS193ADRG4 has a total of 16 pins, each serving a specific function:

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. UD (Up/Down Control Input)
13. GND (Ground)
14. VCC (Supply Voltage)
15. CE (Count Enable Input)
16. CEP (Count Enable Parallel Input)

Functional Features

• Synchronous operation with a common clock input
• Can count up or down based on the UD control input
• Supports parallel loading of initial count values
• Master reset input for clearing the counter to zero
• High-speed operation with a maximum clock frequency of 100MHz
• TTL-compatible inputs and outputs for easy integration into digital systems

Advantages and Disadvantages

Advantages: - Versatile counter/divider IC suitable for various applications - High-speed operation allows for efficient counting in time-critical scenarios - Synchronous design ensures accurate and reliable counting - Parallel loading capability enables quick initialization of count values

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring larger counters - Requires external components for proper functionality (clock source, power supply, etc.) - Not suitable for low-power or battery-operated devices due to higher power consumption

Working Principles

The SN74ALS193ADRG4 operates based on synchronous counting principles. The CLK input serves as the common clock signal, which synchronizes the internal circuitry. The UD input determines the counting direction, allowing the counter to increment or decrement based on its state.

When enabled, the counter advances by one on each rising edge of the clock signal. The count value is stored internally and can be accessed through the serial output pins (Q0-Q3). Additionally, the counter can be loaded with new count values in parallel using the CPD and P0-P3 inputs.

The MR input provides a master reset function, allowing the counter to be cleared to zero when activated. This feature is useful for initializing the counter before starting a new counting sequence.

Detailed Application Field Plans

The SN74ALS193ADRG4 finds application in various digital systems that require counting or dividing functions. Some specific application fields include:

1. Frequency Division: The IC can be used to divide an input clock signal by a specific factor, generating lower-frequency signals for various purposes.
2. Event Counting: It can be employed to count events or occurrences in systems such as industrial automation, traffic monitoring, or scientific experiments.
3. Timekeeping: The IC can be utilized in digital clocks, timers, or other time-based applications where accurate counting is essential.
4. Data Processing: It can serve as a component in data processing systems that require efficient counting or sequencing operations.

Detailed and Complete Alternative Models

1. SN74ALS191ADRG4: Similar 4-bit synchronous up/down counter with additional features like ripple carry output and asynchronous parallel load capability.
2. CD40193BE: 4-bit binary up/down counter IC with similar functionality but operates at a lower clock frequency.
3. MC14516BCL: Another 4-bit synchronous up/down counter IC suitable for various digital applications.

These alternative models offer similar functionalities to the SN74ALS193ADRG4 and can be considered based on specific requirements and availability.

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