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HCF4040
HCF4040 is a 12-stage binary counter IC with a maximum count of 4096.
HCF4040
HCF4040 is a 12-stage binary counter IC with a maximum count of 4096.
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製造商零件號 # : HCF4040
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包裝/封裝: SO-16
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製造商: STMicroelectronics
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產品分類 : Counters
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HCF4040 數據表
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詳細說明
The HCF4040 is a binary ripple counter integrated circuit that is used for counting applications in electronic devices. It is a 12-stage counter that can count up to 4096 pulses. The IC is designed with a reset input to clear the count and start again from zero. The HCF4040 has a maximum clock frequency of 16MHz and can operate within a wide range of operating voltages, typically 3V to 18V. It has a low power consumption of around 10mW, making it suitable for battery-operated devices. The IC is housed in a 16-pin dual in-line package (DIP) and operates over an extended temperature range of -55°C to 125°C. It has a built-in oscillator stage which eliminates the need for an external clock signal. The HCF4040 also features a carry output pin which can be used to cascade multiple counters for extending the counting range. Additionally, it has a low output impedance and high noise immunity, ensuring reliable operation in noisy environments.
主要特徵
- Binary counter with 12-stage ripple carry
- Wide supply voltage range (3V to 15V)
- High-speed operation (up to 20 MHz)
- Built-in RC oscillator
- Reset input for clearing the counter
- Low power consumption
- CD4040 equivalent
應用
- Timer applications
- Frequency division
- Counter applications
- Clock frequency division
- Industrial control systems
- Communication systems
- Automotive electronics
- Instrumentation
- Digital signal processing
- Data communication
規格
以下是所選零件的基本參數，涉及零件的特性及其所屬類別。
| Manufacturer | STMicroelectronics | Product Category ! | Counters, Dividers |
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is HCF4040?
The HCF4040 is a 12-stage binary ripple counter integrated circuit (IC) designed by STMicroelectronics. It is commonly used in digital electronics for frequency division, time delay generation, and frequency multiplication applications.
How Does HCF4040 Work?
The HCF4040 works by dividing an input frequency by powers of 2 using a binary ripple counter configuration. It counts the number of input clock cycles and generates a binary output representing the division ratio. The IC features a reset input for clearing the counter and a carry-out signal for cascading multiple counters.
How Many Pins does HCF4040 have and What are the Functions of the Pinout Configuration?
The HCF4040 is housed in a 16-pin DIP (Dual Inline Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- Q0-Q11: Binary output pins representing the 12 counter stages.
- MR (Master Reset): Master reset input for clearing the counter.
- CP (Clock Pulse): Clock input for counting and latching the binary output.
- CD (Carry Out): Carry-out signal for cascading multiple counters.
- VDD: Supply voltage pin (typically +5V).
- VSS: Ground pin.
What are the Pros and Cons of HCF4040?
Pros:
- Simple Frequency Division: Provides straightforward binary division for frequency scaling applications.
- Wide Operating Voltage Range: Supports a wide supply voltage range for compatibility with various digital systems.
- Easy Cascading: Includes a carry-out signal for cascading multiple counters to achieve larger division ratios.
- Cost-Effective: Offers an inexpensive solution for frequency division and time delay applications.
Cons:
- Limited Functionality: Limited to binary ripple counting and may not have advanced features found in more complex counter ICs.
- External Components: May require additional external logic for specific applications beyond basic frequency division.
- Potential Signal Skew: Care must be taken to ensure consistent clock propagation and minimize signal skew in cascaded configurations.
Are There Any Equivalents/Alternatives to HCF4040 for Recommendation?
Alternatives to the HCF4040 include the CD4040 from Texas Instruments and the 74HC4040 from NXP Semiconductors.
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