SN74HC393PWTE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital counter
• Characteristics: High-speed, dual 4-bit binary ripple counter
• Package: TSSOP-16
• 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 bits: Dual 4-bit counters
• Logic family: HC (High-Speed CMOS)

Detailed Pin Configuration

The SN74HC393PWTE4 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. Output QA0
6. Output QA1
7. Output QA2
8. Output QA3
9. Ground (GND)
10. Output QB0
11. Output QB1
12. Output QB2
13. Output QB3
14. Carry output (CO)
15. VCC (Positive power supply)
16. Carry input (CI)

Functional Features

• Dual 4-bit binary ripple counter with separate clock inputs for each counter
• Asynchronous reset functionality for individual counters
• Outputs can be used as cascading inputs for higher-order counters
• Carry output provides a signal when the counter reaches its maximum value
• High-speed operation allows for efficient counting in various applications

Advantages and Disadvantages

Advantages: - High-speed operation enables quick and accurate counting - Dual counters provide flexibility in designing complex systems - Asynchronous reset allows for easy control and synchronization - Compact TSSOP-16 package saves board space

Disadvantages: - Limited to 4-bit counting, may not be suitable for applications requiring higher bit counts - Requires external components for proper power supply and clock signals

Working Principles

The SN74HC393PWTE4 is a digital counter that uses flip-flops to store and propagate binary values. The counter increments its value on each rising edge of the clock signal. The dual counters operate independently, allowing for simultaneous counting of two separate inputs. Asynchronous reset inputs can be used to clear the counters to their initial state.

Detailed Application Field Plans

The SN74HC393PWTE4 is commonly used in various applications, including:

1. Frequency division: The counter can be used to divide an input frequency by a factor of 16, providing lower-frequency output signals.
2. Event counting: It can be employed to count events or pulses in systems such as industrial automation, robotics, and electronic instrumentation.
3. Time measurement: The counter can measure time intervals by counting clock cycles, enabling accurate timing in applications like timers and clocks.
4. Digital communication: It finds use in protocols that require precise data synchronization and bit counting, such as UART (Universal Asynchronous Receiver Transmitter) interfaces.

Detailed and Complete Alternative Models

1. CD40161BE: 4-bit synchronous binary counter with parallel load
2. MC14040BCP: Dual 4-bit binary counter
3. 74HC193N: Synchronous presettable 4-bit binary up/down counter
4. CD4020BE: 14-stage ripple carry binary counter/divider

These alternative models offer similar functionality and can be considered as substitutes for the SN74HC393PWTE4 in different applications.

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