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SN74HC157N
+BOMIC MULTIPLEXER 4 X 2:1 16-PDIP
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제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #SN74HC157N
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데이터시트 SN74HC157N DataSheet
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재고8724
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사양
| 속성 | 가치 |
| Series | 74HC |
| Part Status | Active |
| Base Product Number | 74HC157 |
| Type | Multiplexer |
| Circuit | 4 x 2:1 |
| Independent Circuits | 1 |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage Supply Source | Single Supply |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-PDIP |
개요
Description
Key features include:
- Wide operating voltage range: 2V to 6V
- High-speed operation with low power consumption
- TTL-compatible inputs for easy interfacing with other logic families
- Typical propagation delay: 14 ns at 5V
- Low input current: 1 µA maximum
The SN74HC157N is used in applications requiring data routing, multiplexing, and signal management, making it suitable for use in computer systems, digital signal processing, and communication circuits. It is available in a 16-pin DIP (Dual In-line Package), enabling straightforward integration into breadboards and PCB designs. Its reliability and performance make it a popular choice in various industries.
Equivalent
1. CD74HC157E from Texas Instruments
2. MC74HC157N from ON Semiconductor
3. HCF40157BEY from STMicroelectronics
4. 74HC157D from Nexperia
5. TC74HC157AP from Toshiba
These alternatives offer similar functionality and are part of the HC logic family, ensuring compatibility with the SN74HC157N in most applications. Always verify specific pin configurations and electrical characteristics before substituting.
Features
1. Logic Family: HC (High-speed CMOS).
2. Inputs: Quad 2-input channels.
3. Outputs: One channel output per data selector.
4. Data Rate: High-speed operation with low power consumption.
5. Supply Voltage: Typically operates at 2V to 6V.
6. Input Compatibility: TTL-compatible inputs.
7. Control: Includes a common select input and an enable input.
8. Propagation Delay: Low propagation delays.
9. Power Consumption: Low power dissipation.
10. Temperature Range: Operates over a wide temperature range from -40°C to 85°C.
11. Package Type: Available in a 16-pin DIP (Dual In-line Package).
These features make the SN74HC157N suitable for applications requiring multiplexing of digital signals with high-speed and low-power requirements, such as data routing in digital systems.
Pinout
1. Pin 1 (1C): Control input for the first multiplexer.
2. Pin 2 (1A): Data input A for the first multiplexer.
3. Pin 3 (1B): Data input B for the first multiplexer.
4. Pin 4 (1Y): Output for the first multiplexer.
5. Pin 5 (2C): Control input for the second multiplexer.
6. Pin 6 (2A): Data input A for the second multiplexer.
7. Pin 7 (2B): Data input B for the second multiplexer.
8. Pin 8 (GND): Ground.
9. Pin 9 (2Y): Output for the second multiplexer.
10. Pin 10 (3C): Control input for the third multiplexer.
11. Pin 11 (3A): Data input A for the third multiplexer.
12. Pin 12 (3B): Data input B for the third multiplexer.
13. Pin 13 (3Y): Output for the third multiplexer.
14. Pin 14 (4C): Control input for the fourth multiplexer.
15. Pin 15 (4A): Data input A for the fourth multiplexer.
16. Pin 16 (4B): Data input B for the fourth multiplexer.
17. Pin 16 (VCC): Positive supply voltage.
The SN74HC157N is used in digital circuits for data routing based on control signals.