SN74HC193NSR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Counter/Divider
• Characteristics:
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Multiple package options
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74HC193NSR is a synchronous, presettable, 4-bit binary up/down counter. It can be used in various applications that require counting or dividing signals.
• Packaging/Quantity: The SN74HC193NSR is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 25 MHz
• Number of Counting Bits: 4
• Counting Modes: Up and Down
• Preset Capability: Yes
• Reset Capability: Yes
• Output Type: CMOS (Complementary Metal-Oxide-Semiconductor)
• Propagation Delay: 13 ns (typical)

Pin Configuration

The SN74HC193NSR has a total of 16 pins. Here is the detailed pin configuration:

1. CLK (Clock Input)
2. MR (Master Reset Input)
3. CPD (Count Direction Input)
4. P0 (Least Significant Bit Preset Input)
5. P1 (Second Least Significant Bit Preset Input)
6. P2 (Third Least Significant Bit Preset Input)
7. P3 (Most Significant Bit Preset Input)
8. Q0 (Least Significant Bit Output)
9. Q1 (Second Least Significant Bit Output)
10. Q2 (Third Least Significant Bit Output)
11. Q3 (Most Significant Bit Output)
12. GND (Ground)
13. Q3 (Most Significant Bit Output)
14. Q2 (Third Least Significant Bit Output)
15. VCC (Supply Voltage)
16. CLK (Clock Input)

Functional Features

• Synchronous operation ensures accurate counting.
• Preset and reset inputs allow easy initialization of the counter.
• Count direction input allows switching between up and down counting modes.
• Outputs provide the current count value in binary format.
• High-speed operation enables efficient counting in time-critical applications.

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick counting. - Low power consumption makes it suitable for battery-powered devices. - Wide operating voltage range provides flexibility in different applications. - Multiple package options cater to various design requirements.

Disadvantages: - Limited number of counting bits (4) may not be sufficient for certain applications requiring larger counters. - Propagation delay of 13 ns may introduce timing issues in high-frequency applications.

Working Principles

The SN74HC193NSR operates based on synchronous counting principles. The clock input (CLK) triggers the counter to increment or decrement its count value based on the count direction input (CPD). The preset inputs (P0-P3) allow setting an initial count value, while the master reset input (MR) resets the counter to a predefined state. The outputs (Q0-Q3) reflect the current count value in binary format.

Detailed Application Field Plans

The SN74HC193NSR can be used in various applications, including but not limited to: - Frequency dividers - Event counters - Digital timers - Industrial automation systems - Communication equipment - Automotive electronics

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the SN74HC193NSR: - CD74HC193E - MC74HC193N - 74HCT193

These alternatives can be considered based on specific design requirements, availability, and pricing.

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