SN74HC393N

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SN74HC393N

IC BINARY COUNTER DL 4BIT 14DIP

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Thông số kỹ thuật

Series 74HC
Part Status Active
Base Product Number 74HC393
Logic Type Binary Counter
Direction Up
Number of Elements 2
Number of Bits per Element 4
Reset Asynchronous
Count Rate 36 MHz
Trigger Type Negative Edge
Voltage - Supply 2 V ~ 6 V
Operating Temperature -40°C ~ 85°C
Mounting Type Through Hole
Package 14-DIP (0.300", 7.62mm)
Supplier Device Package 14-PDIP
Packaging Bulk, Tube

Tổng quan

Description

The SN74HC393N is a dual 4-bit binary counter integrated circuit (IC) from Texas Instruments, part of the 74HC series, known for high-speed CMOS logic. This device consists of two independent 4-bit binary counters that can count in binary up to 15 (0000 to 1111) and can operate in both asynchronous and synchronous modes.
Key features include a wide supply voltage range (2V to 6V), low power consumption, and fast operation, with propagation delays typically around 15 ns at 5V. The counters are equipped with asynchronous reset inputs for zeroing the count and can be cascaded for extended counting capabilities.
The SN74HC393N is commonly used in digital applications such as frequency division, event counting, and time delay generation. Its versatility and ease of use make it suitable for various electronic projects and designs.

Features

The SN74HC393N is a dual 4-bit binary counter designed for high-speed digital applications. Key features include:
1. Dual Counter: Contains two independent 4-bit binary counters.
2. High-Speed Operation: Capable of operating at high frequencies, with a propagation delay of 15 ns at 5V.
3. Wide Voltage Range: Operates from 2V to 6V, making it versatile for various applications.
4. Low Power Consumption: Consumes low static and dynamic power, suitable for battery-operated devices.
5. Synchronous Counting: Features synchronous counting, allowing all flip-flops to be clocked simultaneously.
6. Reset Functionality: Provides asynchronous reset capability for both counters, allowing for easy initialization.
7. Multiple Modes: Supports up/down counting modes through control inputs, enhancing flexibility.
8. TTL Compatible: Compatible with TTL logic levels, ensuring interoperability with other logic families.
The SN74HC393N is commonly used in frequency dividers, event counters, and timers in various electronic applications.

Package

The SN74HC393N is available in a 14-pin dual in-line package (DIP).

Pinout

The SN74HC393N is a dual 4-bit binary ripple counter. It has a total of 16 pins. Here is a brief overview of its pin functions:
1. VCC (Pin 14): Power supply (+2V to +6V).
2. GND (Pin 11): Ground.
3. QA to QD (Pins 3, 2, 1, 0): Output pins for the first 4-bit counter.
4. QC (Pin 12): Carry-out for the first counter.
5. CLK (Pin 1): Clock input for the first counter.
6. CLR (Pin 9): Asynchronous clear for the first counter.
7. PR (Pin 8): Asynchronous preset for the first counter.
8. QA’ to QD’ (Pins 6, 5, 4, 3): Output pins for the second 4-bit counter.
9. QC’ (Pin 10): Carry-out for the second counter.
10. CLK’ (Pin 2): Clock input for the second counter.
11. CLR’ (Pin 7): Asynchronous clear for the second counter.
12. PR’ (Pin 6): Asynchronous preset for the second counter.
This device is widely used in digital applications for counting purposes.

Manufacturer

The SN74HC393N is manufactured by Texas Instruments (TI), a multinational semiconductor company. Founded in 1930, Texas Instruments is based in Dallas, Texas, and specializes in designing and manufacturing a wide range of electronics, including analog and mixed-signal integrated circuits (ICs), embedded processors, and calculators. TI serves various industries, including automotive, industrial, personal electronics, and communications. The SN74HC393N is a dual 4-bit binary counter, part of the 74HC series, which is known for high-speed performance and low power consumption.

Application

The SN74HC393N is a dual 4-bit binary counter used in various applications, including digital clocks, frequency dividers, event counters, and timers. It is suitable for frequency synthesis, pulse width modulation, and state machine design. Its high-speed operation and low power consumption make it ideal for use in consumer electronics, communication devices, and industrial control systems.

Equivalent

The SN74HC393N is a dual 4-bit binary counter. Equivalent products include:
1. CD4040
2. MC14516
3. 74HC163
4. 74LS393
These alternatives may have different voltage levels or configurations, so check specifications for compatibility in your application.

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