SN74HC193N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics: High-speed, synchronous, 4-bit binary up/down counter
• Package: DIP-16 (Dual In-line Package with 16 pins)
• Essence: The SN74HC193N is a versatile counter/divider IC that can be used in various applications requiring counting or dividing functionalities.
• Packaging/Quantity: Available in tubes or reels, typically sold in quantities of 25 or 250 units.

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 50 MHz
• Maximum Counting Range: 0 to 15 (4-bit binary)
• Output Current: ±6 mA
• Propagation Delay: 13 ns (typical)

Detailed Pin Configuration

The SN74HC193N has 16 pins arranged as follows:

__ __ QD |1 \/ 16| VCC QC |2 15| MR (Master Reset) QB |3 14| CP (Clock Pulse) QA |4 13| UP/DOWN GND |5 12| RC (Ripple Carry) PE |6 11| TC (Terminal Count) PL |7 10| LOAD LD |8 9| CLK INH -- --

Functional Features

• Synchronous Operation: The SN74HC193N operates synchronously with the clock pulse, ensuring accurate counting and dividing.
• Up/Down Control: The UP/DOWN pin allows the user to select between counting up or down.
• Terminal Count Output: The TC pin goes high when the counter reaches its maximum or minimum value, indicating a terminal count condition.
• Ripple Carry Output: The RC pin provides a carry output for cascading multiple counters.
• Master Reset: The MR pin resets the counter to its initial state when activated.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting in time-critical applications. - Synchronous operation ensures accurate and reliable counting. - Versatile functionality with up/down control and terminal count output. - Compact DIP-16 package enables easy integration into various circuit designs.

Disadvantages: - Limited counting range of 0 to 15 may not be suitable for applications requiring larger counts. - Propagation delay of 13 ns may introduce slight timing inaccuracies in certain high-frequency applications.

Working Principles

The SN74HC193N is a synchronous counter that operates based on the clock pulse input. When the clock pulse rises, the counter increments or decrements depending on the state of the UP/DOWN pin. The counter's current value is displayed on the QA, QB, QC, and QD output pins. The terminal count output (TC) goes high when the counter reaches its maximum or minimum value, indicating a terminal count condition. The counter can be reset to its initial state using the master reset (MR) pin.

Detailed Application Field Plans

The SN74HC193N can be used in various applications, including but not limited to: 1. Frequency Division: Dividing an input frequency by a specific factor. 2. Event Counting: Counting the occurrence of specific events. 3. Digital Clocks: Implementing digital clock functionalities. 4. Industrial Automation: Monitoring and controlling processes that require counting or dividing operations. 5. Communication Systems: Handling data packet processing and synchronization tasks.

Detailed and Complete Alternative Models

Some alternative models to the SN74HC193N include: - CD40193: Similar 4-bit synchronous up/down counter IC. - 74LS193: 4-bit binary up/down counter with asynchronous reset. - CD74HC193E: High-speed CMOS logic 4-bit binary up/down counter.

These alternative models offer similar functionalities and can be used as replacements depending on specific requirements.

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