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74HC40103D

Name: 74HC40103D
Rating: 4.7 (12 reviews)

Counter ICs 8-BIT SYNC BIN DOWN COUNTER

Производитель
Мфр. Часть #74HC40103D
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Спецификации

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Обзор

Description

The 74HC40103D is a dual 4-bit synchronous binary counter, part of the 74HC series of high-speed CMOS logic devices. It features two independent counters, each capable of counting up or down in binary mode. The device operates with a wide voltage range (2V to 6V) and offers low power consumption, making it suitable for various digital applications.
Key features include synchronous counting, which means all bits are updated simultaneously based on a clock input, and a carry-out feature that allows cascading multiple counters for extended counting capabilities. The counter can be reset, and its operation is controlled by a clock signal, enabling precise timing applications.
The 74HC40103D is commonly used in frequency division, digital clocks, and event counting in microcontroller projects. Its compact design and reliability make it a popular choice in both hobbyist and industrial electronics.

Features

The 74HC40103D is a 4-bit binary counter integrated circuit designed for high-speed operations. Key features include:
1. 4-Bit Binary Counter: Counts from 0 to 15 (binary 0000 to 1111).
2. Asynchronous Reset: Allows immediate resetting of the counter to zero, independent of the clock signal.
3. Count Enable: Offers the capability to enable or disable counting.
4. Clock Input: Accepts clock signals for synchronous counting.
5. Output Configuration: Provides both Q outputs and a terminal count output (TC).
6. Low Power Consumption: Operates with a supply voltage of 2V to 6V, making it suitable for battery-powered applications.
7. High-Speed Operation: Capable of operating at high frequencies, making it suitable for various timing applications.
8. TTL Compatibility: Compatible with TTL (Transistor-Transistor Logic) systems, easing integration with other digital circuits.
These features make the 74HC40103D versatile for applications in digital counters, frequency dividers, and timing circuits in electronic designs.

Package

The 74HC40103D is available in a 16-lead Dual In-line Package (DIP) or a surface mount package such as SOIC (Small Outline Integrated Circuit). The specific designation "D" typically indicates a DIP package variant.

Pinout

The 74HC40103D is a 4-bit magnitude comparator and has a total of 16 pins. The primary functions of its pins are as follows:
1. Inputs:
- A3 to A0 (Pins 1-4): 4-bit binary inputs for the first operand (A).
- B3 to B0 (Pins 5-8): 4-bit binary inputs for the second operand (B).
2. Outputs:
- EQ (Pin 9): Equal output indicating if A equals B.
- LT (Pin 10): Less than output indicating if A is less than B.
- GT (Pin 11): Greater than output indicating if A is greater than B.
3. Control:
- VCC (Pin 14): Power supply pin.
- GND (Pin 11): Ground pin.
- C (Pin 12): Carry input for cascading comparators.
- D (Pin 13): Data input for additional functionality.
- CE (Pin 15): Chip Enable, active when low.
4. Unused: Some pins may be left unconnected in certain applications, depending on the design requirements.
This functionality makes the 74HC40103D suitable for applications in digital comparison circuits.

Manufacturer

The 74HC40103D is manufactured by Texas Instruments (TI), a prominent American technology company. Texas Instruments designs and produces semiconductors and various integrated circuits, which are essential components in electronic devices. They are well-known for their innovation in analog and digital signal processing, analog chips, and microcontrollers, serving a diverse range of markets including automotive, industrial, communications, and consumer electronics. TI is recognized for its commitment to research and development, contributing significantly to advancements in electronic technology.

Application

The 74HC40103D is a binary counter IC primarily used in digital electronics for counting applications. Key application areas include frequency division, event counting, digital clocks, timers, and simple state machines. Its ability to count in binary makes it suitable for various embedded systems, industrial automation, and consumer electronics where precise counting and timing functions are required. Additionally, it can be used in conjunction with other digital logic devices for more complex counting and control systems.

Equivalent

The 74HC40103D is a synchronous binary counter. Equivalent products include the 74HCT40103, 74LS40103, and similar counters from other manufacturers like Texas Instruments, Nexperia, and ON Semiconductor. Always verify pin compatibility and specifications for specific applications.

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