Texas Instruments SN74HC161DG4
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- SN74HC161DG4
- Texas Instruments
- IC COUNTER BINARY 4BIT 16SOIC
- Logic - Counters, Dividers
- SN74HC161DG4 Datasheet
- 16-SOIC (0.154", 3.90mm Width)
- 16-SOIC (0.154", 3.90mm Width)
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What is SN74HC161DG4
Texas Instruments Part Number SN74HC161DG4（Logic - Counters, Dividers）, developed and manufactured by Texas Instruments, 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.
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SN74HC161DG4 Specifications
- Part NumberSN74HC161DG4
- CategoryLogic - Counters, Dividers
- ManufacturerTexas Instruments
- DescriptionIC COUNTER BINARY 4BIT 16SOIC
- Package16-SOIC (0.154", 3.90mm Width)
- Series74HC
- Voltage - Supply2V ~ 6V
- Operating Temperature-40°C ~ 85°C
- Mounting TypeSurface Mount
- Package / Case16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package16-SOIC
- ResetAsynchronous
- Number of Elements1
- Trigger TypePositive Edge
- Logic TypeBinary Counter
- Number of Bits per Element4
- DirectionUp
- Count Rate36MHz
- TimingSynchronous
Application of SN74HC161DG4
SN74HC161DG4 Datasheet
SN74HC161DG4 Datasheet , 16-SOIC (0.154", 3.90mm Width),74HC,2V ~ 6V,-40°C ~ 85°C,Surface Mount,16-SOIC (0.154", 3.90mm Width),16-SOIC,Asynchronous,1,Positive Edge,Binary Counter,4,Up,36MHz,Synchronous
SN74HC161DG4 Classification
Logic - Counters, Dividers
FAQ about Logic - Counters, Dividers
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1. 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. -
2. 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. -
3. What is a counter integrated circuit?
Counter integrated circuit is a digital integrated circuit used to record the number of input pulse signals. It is widely used in digital circuits and control systems and has many types and functions.
Definition and function
Counter integrated circuit is a circuit used to record the number of input pulse signals, usually used for time delay, frequency measurement, frequency division and other functions. It can be controlled and called by program in embedded systems to achieve complex functions.
Type
MCU internal counter: In a single-chip microcomputer, there are usually multiple internal counters that can be controlled and called by program, which are often used for time delay, PWM output, capturing external events, etc.
74 series counter: A counter integrated circuit based on TTL (transistor-transistor logic) technology can realize simple counting, frequency division, frequency measurement and other functions. Common 74 series counters include 74LS90, 74LS93, 74LS161, 74LS163, etc.
Asynchronous counter: A counter circuit based on gate-level triggers that realizes simple binary counting, but is slow and prone to timing jitter, and is less used.
Synchronous counter: A counter circuit based on latches and clock signals, with high speed and data stability, commonly used for high-bit, high-precision counting, such as 74LS163, 74LS169, etc.
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