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74HC123BQ
Nexperia
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- Mfr。パート #74HC123BQ
- パッケージ
- データシート
- 在庫中27680
100% オリジナル &新しい
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仕様
概要
Description
The 74HC123BQ is a dual retriggerable monostable multivibrator, part of the HC (High-speed CMOS) logic family. It is designed to generate a single output pulse in response to an input trigger. The device has two independent circuits, allowing for two separate pulse generation with adjustable pulse widths determined by external resistors and capacitors.
Key features include a wide supply voltage range (2V to 6V), low power consumption, and fast response times. It can be triggered by either a rising or falling edge and is retriggerable, meaning a new input pulse can extend the output pulse duration. The output can drive TTL-compatible loads directly, making it useful in various timing applications, such as pulse width modulation, time delay generation, and signal conditioning.
The 74HC123BQ is often used in digital circuits requiring precise timing control and is available in various package types, including SOIC and TSSOP, suitable for compact designs. Its robustness and versatility make it a popular choice in both hobbyist and professional electronic applications.
Key features include a wide supply voltage range (2V to 6V), low power consumption, and fast response times. It can be triggered by either a rising or falling edge and is retriggerable, meaning a new input pulse can extend the output pulse duration. The output can drive TTL-compatible loads directly, making it useful in various timing applications, such as pulse width modulation, time delay generation, and signal conditioning.
The 74HC123BQ is often used in digital circuits requiring precise timing control and is available in various package types, including SOIC and TSSOP, suitable for compact designs. Its robustness and versatility make it a popular choice in both hobbyist and professional electronic applications.
Features
The 74HC123BQ is a dual retriggerable monostable multivibrator that offers several key features:
1. Dual Operation: Contains two independent monostable flip-flops.
2. Retriggerable: Capable of re-triggering during its timing cycle, allowing for flexible pulse generation.
3. Wide Supply Voltage Range: Operates from 2V to 6V, making it compatible with various logic levels.
4. High Speed: Fast operation with propagation delays typically around 25 ns at 5V.
5. TTL Compatibility: Compatible with TTL logic levels, facilitating integration into existing circuits.
6. Adjustable Timing: Timing can be adjusted using external resistors and capacitors; the typical timing range is from microseconds to several minutes.
7. Active Low Outputs: Outputs are active low, enhancing design flexibility.
8. Low Power Consumption: Designed for low power operation, suitable for battery-powered applications.
9. Pin Configuration: Available in a 16-pin DIP package for easy handling and integration.
These features make the 74HC123BQ suitable for a variety of applications including pulse width modulation, timer circuits, and event counters.
1. Dual Operation: Contains two independent monostable flip-flops.
2. Retriggerable: Capable of re-triggering during its timing cycle, allowing for flexible pulse generation.
3. Wide Supply Voltage Range: Operates from 2V to 6V, making it compatible with various logic levels.
4. High Speed: Fast operation with propagation delays typically around 25 ns at 5V.
5. TTL Compatibility: Compatible with TTL logic levels, facilitating integration into existing circuits.
6. Adjustable Timing: Timing can be adjusted using external resistors and capacitors; the typical timing range is from microseconds to several minutes.
7. Active Low Outputs: Outputs are active low, enhancing design flexibility.
8. Low Power Consumption: Designed for low power operation, suitable for battery-powered applications.
9. Pin Configuration: Available in a 16-pin DIP package for easy handling and integration.
These features make the 74HC123BQ suitable for a variety of applications including pulse width modulation, timer circuits, and event counters.
Package
The 74HC123BQ is packaged in a TSSOP (Thin Shrink Small Outline Package) with 8 pins.
Pinout
The 74HC123BQ is a dual retriggerable monostable multivibrator. It is an integrated circuit that typically comes in a 16-pin package.
Pin Count: 16 pins.
Function: The 74HC123BQ generates a single output pulse of a specified duration in response to an input trigger. It has two independent monostable sections, allowing it to operate two separate monostable operations simultaneously. Key features include:
- Trigger Inputs (nA and nB): Activate the monostable operation.
- Active-High and Active-Low Outputs (Q and Q'): Indicate the state of the output pulse.
- Reset Inputs (nAR and nBR): Immediately terminate the output pulse and reset the output state.
- Timing Capacitor and Resistor Pins: Enable configuration of the pulse width by connecting external components.
This device is widely used in timing applications, pulse generation, and signal conditioning.
Pin Count: 16 pins.
Function: The 74HC123BQ generates a single output pulse of a specified duration in response to an input trigger. It has two independent monostable sections, allowing it to operate two separate monostable operations simultaneously. Key features include:
- Trigger Inputs (nA and nB): Activate the monostable operation.
- Active-High and Active-Low Outputs (Q and Q'): Indicate the state of the output pulse.
- Reset Inputs (nAR and nBR): Immediately terminate the output pulse and reset the output state.
- Timing Capacitor and Resistor Pins: Enable configuration of the pulse width by connecting external components.
This device is widely used in timing applications, pulse generation, and signal conditioning.
Manufacturer
The manufacturer of the 74HC123BQ is Texas Instruments (TI). Texas Instruments is an American technology company known for designing and manufacturing semiconductors and various integrated circuits (ICs). Founded in 1930, TI primarily focuses on analog and embedded processing products, which serve a wide range of industries, including automotive, industrial, communications, and consumer electronics. The 74HC123BQ is a dual retriggerable monostable multivibrator, part of the 74HC series of high-speed CMOS logic devices. TI's expertise in semiconductor technology makes it a key player in the electronics industry, providing solutions for both analog and digital applications.
Application
The 74HC123BQ is a dual retriggerable monostable multivibrator used in various applications, including pulse width modulation, timer circuits, frequency dividers, and waveform generation. It is suitable for generating time delays, debouncing switches, and creating low-frequency oscillators. Additionally, it's employed in automotive electronics, consumer electronics, and industrial control systems for event counting and signal processing.
Equivalent
The 74HC123BQ is a dual retriggerable monostable multivibrator. Equivalent products include:
- 74HC123
- 74HCT123
- MC14538
- CD4538
These alternatives offer similar functionality in timing applications. Always check specific datasheets for compatibility in terms of voltage levels, package types, and timing characteristics.
- 74HC123
- 74HCT123
- MC14538
- CD4538
These alternatives offer similar functionality in timing applications. Always check specific datasheets for compatibility in terms of voltage levels, package types, and timing characteristics.
出荷
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出荷料参照(DHL/FedEx):
DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。
フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。
EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。
登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。
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