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CD4020BE
+物料清單IC BINARY COUNTR/DIV RIPL 16-DIP
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製造商德州儀器
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製造商部分 #CD4020BE
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包裹 PDIP (N)-16
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規格
| 屬性 | 價值 |
| Package | Tube |
| Series | 4000B |
| ProductStatus | Active |
| LogicType | Binary Counter |
| Direction | Up |
| NumberofElements | 1 |
| NumberofBitsperElement | 14 |
| Reset | Asynchronous |
| CountRate | 24 MHz |
| TriggerType | Negative Edge |
| Voltage-Supply | 3 V ~ 18 V |
| OperatingTemperature | -55°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | 16-DIP (0.300, 7.62mm) |
概述
Description
Key features of the CD4020BE include asynchronous reset capability for initializing the counter, and high-speed performance with typical propagation delays in the microsecond range. It has a single input and multiple output pins representing the divided frequency, allowing it to be used for generating various sub-frequencies from a single clock signal.
The device is housed in a dual in-line package (DIP) with 16 pins. It is frequently employed in applications like digital clocks, timers, and event counters due to its reliability and ease of use. As a ripple counter, each stage toggles with the clock signal, generating a sequence of pulses at each stage's output.
Equivalent
Features
1. 14-Stage Ripple Counter: Provides a wide range of division, making it suitable for frequency division applications.
2. High-Speed Operation: Operates efficiently over a wide range of frequencies.
3. Wide Supply Voltage Range: Functions from 3V to 15V, offering flexibility in various applications.
4. Low Power Consumption: Consumes minimal power, characteristic of CMOS technology.
5. Standardized Symmetrical Output Characteristics: Ensures consistent performance across stages.
6. Clock Input and Reset Function: Equipped with a clock input for synchronization and a reset pin to clear the counter.
7. High Noise Immunity: Enhanced reliability in noisy environments due to excellent noise margin.
8. Fan-Out: Capable of driving multiple inputs, often up to 10 standard TTL loads.
9. Temperature Range: Operates reliably in a range from -55°C to +125°C.
These features make the CD4020BE versatile for uses in timers, dividers, and other digital counting applications.
Pinout
Pin Count: The CD4020BE comes in a 16-pin dual in-line package (DIP).
Pin Functions:
1. VDD (Pin 16): Positive supply voltage.
2. VSS (Pin 8): Ground.
3. Clock (Pin 10): Input for the clock signal. The counter advances on the negative edge of the clock pulse.
4. Reset (Pin 11): Resets the counter to zero when high.
5. Q1 to Q12 (Pins 9, 7, 6, 5, 3, 2, 4, 13, 12, 14, 15): Outputs corresponding to different stages of the counter. These are binary outputs and represent the divided clock frequency.
6. NC (Not Connected): Some pins may be labeled as NC, indicating they have no internal connection.
The CD4020BE is typically used in applications requiring frequency division, event counting, or time delay generation.