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74HC393PW
Counter ICs DUAL 4-BIT BINARY RIPPLE COUNT
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- Mfr. Parte #74HC393PW
- Paquete
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- En stock13623
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Especificaciones
| Standard Pack Qty | 96 |
Descripción general
Description
Key features include:
- Dual 4-bit counters: Each counter can count from 0 to 15.
- Asynchronous reset: Both counters can be reset independently.
- Parallel load capability: Allows loading of binary values directly into the counters.
- Ripple carry output: Facilitates cascading of multiple counters for higher counting ranges.
- High-speed operation: Compatible with standard CMOS and TTL logic levels.
Applications include frequency division, digital clocks, and event counting in various electronic projects. The 74HC393PW is commonly used in embedded systems due to its versatility and ease of integration into complex circuits. It is housed in a 16-pin DIP or SOIC package, making it suitable for both prototyping and production environments.
Features
1. Dual Counters: Contains two independent 4-bit binary counters, allowing for simultaneous counting operations.
2. Asynchronous Reset: Each counter can be reset independently, providing flexibility in counting applications.
3. Count Up/Down: Supports both up and down counting modes, enhancing versatility.
4. Wide Operating Voltage: Functions effectively across a supply voltage range of 2V to 6V.
5. High Speed: Offers fast operation with a propagation delay of approximately 15 ns at VCC = 5V, making it suitable for high-speed applications.
6. Low Power Consumption: Typical power consumption is low, contributing to energy-efficient designs.
7. TTL Compatible: Compatible with TTL logic levels, facilitating integration into existing digital systems.
8. DIP and SOIC Packages: Available in multiple package types, including DIP and surface-mount SOIC, for easy integration.
These features make the 74HC393PW ideal for various applications, including digital clocks, frequency counters, and event counters.
Package
Pinout
1. Pin 1 (QA) - Output of the first flip-flop (Q0)
2. Pin 2 (QB) - Output of the second flip-flop (Q1)
3. Pin 3 (QC) - Output of the third flip-flop (Q2)
4. Pin 4 (QD) - Output of the fourth flip-flop (Q3)
5. Pin 5 (CLR) - Asynchronous clear input for the first counter
6. Pin 6 (CLK) - Clock input for the first counter
7. Pin 7 (CE) - Count enable input for the first counter
8. Pin 8 (GND) - Ground
9. Pin 9 (QA') - Output of the fifth flip-flop (Q0')
10. Pin 10 (QB') - Output of the sixth flip-flop (Q1')
11. Pin 11 (QC') - Output of the seventh flip-flop (Q2')
12. Pin 12 (QD') - Output of the eighth flip-flop (Q3')
13. Pin 13 (CLR') - Asynchronous clear input for the second counter
14. Pin 14 (CLK') - Clock input for the second counter
15. Pin 15 (CE') - Count enable input for the second counter
16. Pin 16 (VCC) - Power supply
The device is commonly used in applications requiring counting functions.
Manufacturer
Application
Equivalent
1. 74HCT393
2. 74LS393
3. 74AC393
4. 74AHC393
For similar functionality, you can also consider asynchronous binary counter ICs like the 74HC4040 or 74HC4017, depending on specific requirements. Always check for voltage levels and pin configurations when substituting.
Envío
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Referencia de tarifas de envío (DHL/FedEx):
DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.
FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.
EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.
Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.
Pagos
Payment Methods
El plazo de pago es 100% prepagado.
Actualmente, solo aceptamos los siguientes métodos de pago:
1. de PayPal
2. Tarjeta de crédito/débito
3. Transferencia bancaria
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