SN74HC161DR

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SN74HC161DR

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IC 4BIT SYNC BINRY COUNTR 16SOIC

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規格

屬性 價值
Package Tape & Reel (TR),Cut Tape (CT)
Series 74HC
ProductStatus Active
LogicType Binary Counter
Direction Up
NumberofElements 1
NumberofBitsperElement 4
Reset Asynchronous
Timing Synchronous
CountRate 36 MHz
TriggerType Positive Edge
Voltage-Supply 2 V ~ 6 V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 16-SOIC (0.154, 3.90mm Width)

概述

Description

The SN74HC161DR is a high-speed CMOS synchronous 4-bit binary counter. It is part of the 74HC series, offering a wide supply voltage range from 2V to 6V, making it suitable for various applications. This device features a parallel load capability, allowing it to load data inputs in parallel and count synchronously with the clock input. It includes a clear function that resets the counter to zero asynchronously, overriding other inputs.
The SN74HC161DR provides a carry output for cascading counters and operates with a clock frequency up to 29 MHz at 5V, ensuring fast and reliable performance. It is known for its low power consumption, inherent in CMOS technology, and high noise immunity. The device is typically packaged in a 16-pin SOIC (Small Outline Integrated Circuit) format, which is suitable for surface-mount technology, offering compact and efficient integration into digital systems.
Overall, the SN74HC161DR is ideal for applications requiring efficient binary counting, like digital clocks, frequency dividers, and other timing applications.

Equivalent

The SN74HC161DR is a high-speed CMOS 4-bit binary counter. Equivalent products include:
1. CD74HC161E – Texas Instruments
2. 74HC161D – Nexperia
3. MC74HC161ADG – ON Semiconductor
4. SN74HC161N – Texas Instruments
5. 74HC161N – NXP
These components share similar functions and characteristics but may differ in packaging, temperature range, or electrical specifications. Always check the datasheets for compatibility with your specific application.

Features

The SN74HC161DR is a high-speed CMOS 4-bit synchronous binary counter. Key features include:
1. Clock Inputs: It operates with a positive-edge-triggered clock.
2. Clear Input: Asynchronous clear function to reset the counter.
3. Preset Capability: Allows loading of any desired initial value.
4. Synchronous Operation: Ensures all changes are synchronized with the clock.
5. Enable Inputs: Features two enable inputs for flexible operation control.
6. High-Speed Performance: Offers faster operations compared to standard logic families.
7. Low Power Consumption: Beneficial for battery-operated applications.
8. Wide Supply Voltage Range: Typically operates from 2V to 6V.
9. Output Drive Capability: Can drive up to 10 LS-TTL loads.
10. Temperature Range: Operates efficiently over a wide temperature range.
11. Package: Available in a SOIC-16 package for convenient PCB mounting.
These features make the SN74HC161DR suitable for applications requiring efficient counting and sequencing operations.

Pinout

The SN74HC161DR is a high-speed 4-bit binary counter with a pin count of 16. This device is part of the 74HC series and operates as a synchronous counter with a parallel load capability.
Key functions of the SN74HC161DR include:
1. Binary Counting: It counts from 0 to 15 (4 bits) and then rolls over to 0.
2. Synchronous Operation: All changes occur on the rising edge of the clock pulse.
3. Parallel Load: Allows for the immediate setting of the counter to a specific value using the parallel data inputs.
4. Asynchronous Clear: Provides a way to reset the counter to zero, independent of the clock.
5. Ripple Carry Output (RCO): Used for cascading multiple counters.
The pin configuration typically includes pins for power supply (VCC and GND), four parallel data inputs, four output pins for the counter state, a clock input, a clear input, a load input, and enable inputs for count control.

Manufacturer

The SN74HC161DR is manufactured by Texas Instruments. Texas Instruments (TI) is an American technology company headquartered in Dallas, Texas. It is one of the largest semiconductor companies in the world and is known for designing and manufacturing a wide range of electronic components. TI specializes in the development of analog chips, embedded processors, and digital signal processors, among other products. The company serves various sectors, including consumer electronics, automotive, industrial, and communications, making it a key player in the electronics and semiconductor industry.

Application

The SN74HC161DR is a high-speed 4-bit binary counter often used in digital electronics. Its application areas include:
1. Clock Division: It can divide clock frequencies in timing applications.
2. Digital Counters: Useful in creating counters for digital systems like timers and event counters.
3. Frequency Division: Employed in frequency synthesizers and radio transmitters.
4. Sequencers: Helps in designing sequence generators in control systems.
5. LED Chasers: Used in driving sequences for LED displays.
6. Data Processing: For handling operations in microprocessors and FPGAs.
7. State Machines: Forms part of state machines for control logic in embedded systems.
Its fast processing and versatility make it suitable for a variety of digital counting and sequencing tasks.

Package

The SN74HC161DR is a high-speed CMOS 4-bit binary counter from Texas Instruments, and the "DR" suffix indicates it is in a SOIC (Small Outline Integrated Circuit) package. This package type is surface-mount, typically with 16 pins, making it suitable for compact and automated assembly on PCBs.