MM74C193N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics:
  • 4-bit synchronous binary up/down counter
  • Asynchronous master reset
  • Synchronous counting and loading
  • Cascadable for larger word sizes
• Package: DIP (Dual Inline Package)
• Essence: The MM74C193N is a versatile counter/divider IC that can be used in various applications requiring counting or dividing functionalities.
• Packaging/Quantity: Available in packs of 10 units.

Specifications

• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 25 MHz
• Number of Counting Bits: 4
• Counting Modes: Up, Down, Load, and Reset
• Output Type: TTL (Transistor-Transistor Logic)
• Propagation Delay: 60 ns (max)

Pin Configuration

The MM74C193N has a total of 16 pins. Here is the detailed pin configuration:

1. CP (Clock Pulse) - Input
2. MR (Master Reset) - Input
3. U/D (Up/Down) - Input
4. LD (Load) - Input
5. A - Output
6. B - Output
7. C - Output
8. D - Output
9. GND (Ground) - Ground
10. QD (Data Output D) - Output
11. QC (Data Output C) - Output
12. QB (Data Output B) - Output
13. QA (Data Output A) - Output
14. RC (Ripple Carry) - Output
15. VCC (Positive Power Supply) - Power
16. CE (Chip Enable) - Input

Functional Features

• Synchronous Counting: The MM74C193N performs synchronous counting, ensuring accurate and reliable counting operations.
• Asynchronous Master Reset: The IC includes an asynchronous master reset input, allowing the counter to be reset independently of the clock signal.
• Synchronous Loading: The load input enables synchronous loading of a preset value into the counter.
• Cascadable: Multiple MM74C193N ICs can be cascaded together to create larger word sizes for more complex counting applications.

Advantages and Disadvantages

Advantages: - Versatile counter/divider functionality - Synchronous counting ensures accuracy - Asynchronous master reset allows independent resetting - Cascadable for larger word sizes

Disadvantages: - Limited to 4-bit counting capability - Requires external clock signal for operation

Working Principles

The MM74C193N operates based on synchronous counting principles. It counts up or down based on the input signals received at the U/D (Up/Down) pin. The clock pulse (CP) input determines the timing of each count. The counter can be loaded with a preset value using the LD (Load) input. The MR (Master Reset) input asynchronously resets the counter to its initial state.

Detailed Application Field Plans

The MM74C193N can be used in various applications that require counting or dividing functionalities. Some potential application fields include:

1. Digital frequency dividers
2. Event counters
3. Industrial automation systems
4. Electronic gaming devices
5. Traffic light control systems
6. Timekeeping circuits
7. Sequential logic circuits

Alternative Models

Here are some alternative models that offer similar functionalities to the MM74C193N:

1. CD40193BE by Texas Instruments
2. SN74LS193N by Texas Instruments
3. 74HC193 by NXP Semiconductors
4. CD74HC193E by Texas Instruments

These alternative models can be considered based on specific requirements and availability.

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