SN74HC393PW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital counter
• Characteristics: High-speed, dual 4-bit binary ripple counter
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Reliable and efficient digital counter
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 50 MHz
• Number of Counters: 2
• Number of Bits per Counter: 4
• Output Type: Standard
• Logic Family: HC (High-Speed CMOS)

Detailed Pin Configuration

The SN74HC393PW has a total of 16 pins. The pin configuration is as follows:

1. Clock Input A (CLKA)
2. Clock Input B (CLKB)
3. Reset Input A (RSTA)
4. Reset Input B (RSTB)
5. Data Input A (D0A)
6. Data Input A (D1A)
7. Data Input A (D2A)
8. Data Input A (D3A)
9. Data Input B (D0B)
10. Data Input B (D1B)
11. Data Input B (D2B)
12. Data Input B (D3B)
13. Output A (Q0A)
14. Output A (Q1A)
15. Output B (Q0B)
16. Output B (Q1B)

Functional Features

• Dual 4-bit binary ripple counters with separate clock inputs and asynchronous reset inputs.
• Can be cascaded to create larger counters.
• Outputs can drive up to 10 LS-TTL loads.
• Low power consumption.
• Schmitt-trigger inputs for noise immunity.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient counting. - Dual counters provide flexibility in various applications. - Low power consumption helps conserve energy. - Schmitt-trigger inputs ensure reliable performance even in noisy environments.

Disadvantages: - Limited number of bits per counter may not be suitable for certain applications requiring larger counters. - TSSOP package may require careful handling during assembly.

Working Principles

The SN74HC393PW is a dual 4-bit binary ripple counter. It counts the number of clock pulses received at its clock inputs (CLKA and CLKB) and produces corresponding binary outputs (Q0A, Q1A, Q0B, Q1B). The counters can be reset asynchronously using the reset inputs (RSTA and RSTB).

Detailed Application Field Plans

The SN74HC393PW is commonly used in various digital applications that require counting functionality. Some specific application fields include:

1. Frequency division: The counters can be used to divide an input frequency by a factor of 16, allowing for precise frequency control in communication systems.
2. Event counting: The IC can be employed to count events or pulses generated by sensors, switches, or other devices in industrial automation and control systems.
3. Timekeeping: The counters can be utilized to keep track of time intervals or measure elapsed time in electronic timers and clocks.
4. Data synchronization: The IC can be used to synchronize data streams in digital communication systems, ensuring accurate transmission and reception.

Detailed and Complete Alternative Models

1. CD40161BE: 4-bit synchronous binary counter with parallel load.
2. MC14024B: 7-stage binary ripple counter.
3. 74HC193: 4-bit synchronous binary up/down counter.

These alternative models offer similar functionality and can be considered as substitutes for the SN74HC393PW in various applications.

In conclusion, the SN74HC393PW is a reliable and efficient digital counter belonging to the category of integrated circuits. Its high-speed operation, dual counters, and low power consumption make it suitable for a wide range of applications. However, its limited number of bits per counter and TSSOP package should be taken into consideration when selecting alternatives or designing specific systems.