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74HC393PW
Counter ICs DUAL 4-BIT BINARY RIPPLE COUNT
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概述
Description
The 74HC393PW is a dual 4-bit binary counter IC, part of the 74HC series of high-speed CMOS logic devices. It features two independent counters, each capable of counting up or down, and can be configured for various counting applications.
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.
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
The 74HC393PW is a dual 4-bit binary counter with asynchronous reset and a variety of 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.
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
The 74HC393PW is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins.
Pinout
The 74HC393PW is a dual 4-bit binary counter IC. It features a total of 16 pins. The pin configuration includes:
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.
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
The 74HC393PW is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments designs and produces a wide range of electronic components, including integrated circuits (ICs), analog devices, and embedded processors. Established in 1930, TI is headquartered in Dallas, Texas, and is known for its innovation in analog and digital signal processing technologies. The company primarily serves markets such as automotive, industrial, communications, and consumer electronics, making it a key player in the electronics industry.
Application
The 74HC393PW is a dual 4-bit binary counter used in various applications, including frequency division, digital clock circuits, event counting, and timer circuits. It can also serve in state machines, frequency synthesis, and as a part of larger digital systems for counting or sequencing tasks. Its high-speed performance and low power consumption make it suitable for both consumer electronics and industrial applications.
Equivalent
The 74HC393PW is a dual 4-bit binary counter. Equivalent products include:
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.
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.
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