ON Semiconductor MC74HC390AFL1
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- MC74HC390AFL1
- ON Semiconductor
- DUAL 4-STAGE BINARY RIPPLE COUNT
- Logic - Counters, Dividers
- MC74HC390AFL1 Datasheet
- 16-SOIC (0.209\", 5.30mm Width)
- Bulk
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Lead free / RoHS Compliant - 8632
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What is MC74HC390AFL1
ON Semiconductor Part Number MC74HC390AFL1（Logic - Counters, Dividers）, developed and manufactured by ON Semiconductor, distributed globally by Jinftry. We distribute various electronic components from world-renowned brands and provide one-stop services, making us a trusted global electronic component distributor.
MC74HC390AFL1 is one of the part numbers distributed by Jinftry, and you can learn about its specifications/configurations, package/case, Datasheet, and other information here. Electronic components are affected by supply and demand, and prices fluctuate frequently. If you have a demand, please do not hesitate to send us an RFQ or email us immediately [email protected] Please inquire about the real-time unit price, Data Code, Lead time, payment terms, and any other information you would like to know. We will do our best to provide you with a quotation and reply as soon as possible.
MC74HC390AFL1 Specifications
- Part NumberMC74HC390AFL1
- CategoryLogic - Counters, Dividers
- ManufacturerON Semiconductor
- DescriptionDUAL 4-STAGE BINARY RIPPLE COUNT
- PackageBulk
- Series74HC
- Voltage - Supply2 V ~ 6 V
- Operating Temperature-55°C ~ 125°C
- Mounting TypeSurface Mount
- Package / Case16-SOIC (0.209\", 5.30mm Width)
- Supplier Device Package16-SOEIAJ
- ResetAsynchronous
- Number of Elements2
- Trigger TypeNegative Edge
- Logic TypeCounter, Decade
- Number of Bits per Element4
- Direction-
- Count Rate50 MHz
- Timing-
Application of MC74HC390AFL1
MC74HC390AFL1 Datasheet
MC74HC390AFL1 Datasheet , Bulk,74HC,2 V ~ 6 V,-55°C ~ 125°C,Surface Mount,16-SOIC (0.209\", 5.30mm Width),16-SOEIAJ,Asynchronous,2,Negative Edge,Counter, Decade,4,50 MHz
MC74HC390AFL1 Classification
Logic - Counters, Dividers
FAQ about Logic - Counters, Dividers
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1. What is a counter in digital logic design?
A counter is a commonly used sequential logic circuit in digital logic design, mainly used to count the number of pulses, so as to realize functions such as measurement, counting, frequency division and control. A counter consists of a basic counting unit and some control gates, and these counting units are usually composed of triggers (such as RS triggers, T triggers, D triggers and JK triggers).
Classification of counters
Synchronous counters and asynchronous counters: classified according to whether the triggers flip at the same time.
Adder counters, subtractor counters and reversible counters: classified according to the increase and decrease of numbers during the counting process.
Binary counters and decimal counters: classified according to the counting system.
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2. What is a counter IC?
A counter IC is an integrated circuit (IC) that can count external input clocks. It usually sends counting data through the I2C-bus interface and is suitable for various measuring devices, infrastructure-related measuring instruments, entertainment equipment, life counters, etc. The basic function of a counter IC is to count the input pulse signal. The state of its output port changes with the number of input pulse signals. When the maximum value is reached, the output state returns to zero.
Working principle of counter IC
The basic working principle of counter IC is to count the external input clock signal. It usually consists of a trigger, an adder, and a clock control circuit. Counter IC has two working modes: synchronous and asynchronous. Synchronous counters work under a unified clock signal and update the output state at the end of each clock cycle; asynchronous counters reset the output state of the counter by receiving a special clear signal. -
3. What kind of IC is used for counters?
Common counter ICs include the following:
74LS163: This is a 4-bit synchronous counter designed with a gate-level trigger, which can be used for counting, frequency division, waveform generation and other circuits. It is characterized by a simple input port, expandable counting bit number, and wide application.
74LS169: This is a 4-bit synchronous reversible counter that can count in both positive and negative directions. It can be used in circuits such as time measurement, electronic clocks, timers, and electronic games. Its feature is that the counting direction is controllable, and it can realize forward and reverse counting and conversion.
74LS190: This is a resettable 4-bit synchronous counter that can realize binary counting and can be used in circuits such as frequency dividers, frequency meters, timers, and position indicators. Its features are resettable counting, zero clearing function, simple and practical.
CD4017: This is a very popular frequency divider and counter chip with a built-in 10-bit counter. A single output pin outputs a high level, which can realize Morse code generators, LED running lights, automatic line patrol cars and other circuits. Its features are stable output level and flexible and diverse applications.
CD4040: This is a 12-bit binary counter that can realize binary counting of 1-4096 and can be used in circuits such as timers, frequency dividers, and pulse generators. Its features are strong scalability, variable counting digits, and wide application fields.
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