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SN74LS47N
+BOMIC DRVR 7 SEGMENT 16DIP
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ManufacturerTexas Instruments
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Mfr. Part #SN74LS47N
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Package PDIP (N)-16
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In Stock6657
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Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| ProductStatus | Active |
| DisplayType | LED |
| Configuration | 7 Segment |
| Interface | BCD |
| Current-Supply | 7 mA |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Through Hole |
| Package/Case | 16-DIP (0.300, 7.62mm) |
Overview
Description
The SN74LS47N is a BCD to 7-segment decoder/driver IC produced by Texas Instruments. It is part of the 74LS series, which are TTL (Transistor-Transistor Logic) chips known for their reliable performance in digital circuits. The SN74LS47N converts a Binary-Coded Decimal (BCD) input into signals necessary to drive a 7-segment display.
Key features include:
- BCD Input: It accepts a 4-bit BCD input, which corresponds to decimal digits 0-9.
- Output: Generates signals to illuminate the appropriate segments (a-g) of a 7-segment display to represent these digits.
- Active Low Outputs: The outputs are active low, meaning that a '0' on the output pin lights up the corresponding segment.
- Lamp Test, Blanking, and Ripple Blanking: These additional functions allow control over the display, ensuring versatility in display applications.
Typically used in digital clocks, calculators, and other display devices, the SN74LS47N operates over a wide range of temperatures and is valued for its simplicity and efficiency in driving common-anode 7-segment displays.
Key features include:
- BCD Input: It accepts a 4-bit BCD input, which corresponds to decimal digits 0-9.
- Output: Generates signals to illuminate the appropriate segments (a-g) of a 7-segment display to represent these digits.
- Active Low Outputs: The outputs are active low, meaning that a '0' on the output pin lights up the corresponding segment.
- Lamp Test, Blanking, and Ripple Blanking: These additional functions allow control over the display, ensuring versatility in display applications.
Typically used in digital clocks, calculators, and other display devices, the SN74LS47N operates over a wide range of temperatures and is valued for its simplicity and efficiency in driving common-anode 7-segment displays.
Equivalent
The SN74LS47N is a BCD to 7-segment decoder/driver. Equivalent products include:
1. SN74LS247N - Similar functionality with slightly different characteristics.
2. SN7447N - Another equivalent with minor variations, often used interchangeably.
3. SN74HC47N - A high-speed CMOS version with similar functionality.
4. CD74HCT47E - CMOS counterpart with similar decoding capabilities.
When selecting an equivalent, ensure compatibility in voltage, current, and package type. Always refer to datasheets for specifics.
1. SN74LS247N - Similar functionality with slightly different characteristics.
2. SN7447N - Another equivalent with minor variations, often used interchangeably.
3. SN74HC47N - A high-speed CMOS version with similar functionality.
4. CD74HCT47E - CMOS counterpart with similar decoding capabilities.
When selecting an equivalent, ensure compatibility in voltage, current, and package type. Always refer to datasheets for specifics.
Features
The SN74LS47N is a BCD (Binary-Coded Decimal) to 7-segment decoder/driver IC. Key features include:
1. BCD Input: Accepts 4-bit BCD input data.
2. 7-Segment Output: Drives the segments of a 7-segment display to represent decimal digits 0-9.
3. Active-Low Outputs: Outputs are active-low, designed to drive common-anode displays.
4. Ripple-Blanking: Includes ripple-blanking input/output to blank leading zeros.
5. Lamp Test: Offers a lamp test input to light all segments, useful for testing displays.
6. TTL Compatible: Compatible with TTL logic levels, ensuring easy integration with other TTL-based circuits.
7. High-Performance: Known for fast performance with typical propagation delays.
8. Power Supply: Operates with a standard 5V power supply.
These features make the SN74LS47N suitable for a variety of applications requiring BCD to 7-segment decoding, such as digital clocks, meters, and display panels.
1. BCD Input: Accepts 4-bit BCD input data.
2. 7-Segment Output: Drives the segments of a 7-segment display to represent decimal digits 0-9.
3. Active-Low Outputs: Outputs are active-low, designed to drive common-anode displays.
4. Ripple-Blanking: Includes ripple-blanking input/output to blank leading zeros.
5. Lamp Test: Offers a lamp test input to light all segments, useful for testing displays.
6. TTL Compatible: Compatible with TTL logic levels, ensuring easy integration with other TTL-based circuits.
7. High-Performance: Known for fast performance with typical propagation delays.
8. Power Supply: Operates with a standard 5V power supply.
These features make the SN74LS47N suitable for a variety of applications requiring BCD to 7-segment decoding, such as digital clocks, meters, and display panels.
Pinout
The SN74LS47N is a BCD to 7-segment decoder/driver. It is a 16-pin IC that is used to drive a 7-segment display to show decimal numbers. Here's a concise breakdown of its pin configuration and function:
1. Pin 1-4 (A, B, C, D): These are the input pins for the BCD (Binary-Coded Decimal) code.
2. Pin 5 (BI/): Blanking input, active low. Used to turn off all segments.
3. Pin 6 (LT/): Lamp test input, active low. Used to test all segments.
4. Pin 7 (RBI/): Ripple blank input, active low. Used for cascading multiple ICs.
5. Pin 8 (GND): Ground pin.
6. Pins 9-15 (a-g): Outputs for the seven segments of the display.
7. Pin 16 (Vcc): Supply voltage pin.
The device decodes a BCD input to drive a 7-segment display, showing numbers 0-9. It can also handle lamp testing and blanking features.
1. Pin 1-4 (A, B, C, D): These are the input pins for the BCD (Binary-Coded Decimal) code.
2. Pin 5 (BI/): Blanking input, active low. Used to turn off all segments.
3. Pin 6 (LT/): Lamp test input, active low. Used to test all segments.
4. Pin 7 (RBI/): Ripple blank input, active low. Used for cascading multiple ICs.
5. Pin 8 (GND): Ground pin.
6. Pins 9-15 (a-g): Outputs for the seven segments of the display.
7. Pin 16 (Vcc): Supply voltage pin.
The device decodes a BCD input to drive a 7-segment display, showing numbers 0-9. It can also handle lamp testing and blanking features.
Manufacturer
The SN74LS47N is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide variety of electronic components and systems. It is known for its development and manufacturing of analog and embedded processing chips. TI's products are used in a range of applications, including consumer electronics, automotive systems, industrial machinery, communications equipment, and more. The company has a long history of innovation in the technology sector and is recognized for its contributions to the advancement of electronics and computing technologies.
Application
The SN74LS47N is a BCD to 7-segment decoder/driver, primarily used in digital display applications. It converts binary-coded decimal inputs into the necessary signals to drive 7-segment displays. Common application areas include digital clocks, electronic meters, calculators, and other devices that require numerical display. Its capability to directly drive LED displays makes it suitable for applications in consumer electronics, automotive dashboard displays, and industrial measurement equipment. Additionally, it is useful in educational projects and prototyping where numerical data display is required.
Package
The SN74LS47N is a 16-pin DIP (Dual In-line Package) type. It is a BCD to 7-segment decoder/driver manufactured by Texas Instruments, commonly used for driving LED displays.
