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SN74HC244N
+NomenclatureIC BUFFER NON-INVERT 6V 20DIP
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FabricantTexas Instruments
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Pièce fabricant #SN74HC244N
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Fiche technique SN74HC244N DataSheet
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Package PDIP (N)-20
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En stock1914
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| Series | 74HC |
| ProductStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| OutputType | 3-State |
| Current-OutputHighLow | 7.8mA, 7.8mA |
| Voltage-Supply | 2V ~ 6V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Through Hole |
| Package/Case | 20-DIP (0.300, 7.62mm) |
Présentation
Description
The SN74HC244N operates with a supply voltage range of 2V to 6V, making it compatible with TTL logic levels. It offers high noise immunity and low power consumption, which is typical of CMOS technology. The device is used in applications such as memory address drivers, clock drivers, and bus-oriented receivers and transmitters.
The package type for the SN74HC244N is typically a 20-pin DIP (Dual In-line Package), which is suitable for through-hole mounting on PCBs. The device ensures data integrity and speed in digital circuits, making it an essential component in various electronic projects and systems.
Equivalent
1. 74HCT244
2. 74LS244
3. CD74HCT244
4. MC74HC244
These equivalents generally share similar functionality but may differ in terms of speed, power consumption, and input/output characteristics, so it's important to check the specific datasheets for compatibility with your application.
Features
1. High-Speed CMOS Technology: Ensures low power consumption and high performance.
2. Octal Buffer/Line Driver: Provides 8 independent non-inverting buffers with 3-state outputs, suitable for driving bus lines or buffer memory address registers.
3. Three-State Outputs: Enables direct connections to bus lines, allowing multiple devices to share the same data lines without interference.
4. Wide Operating Voltage Range: Operates from 2V to 6V, making it versatile for various applications.
5. High Noise Immunity: Offers improved noise margins compared to standard TTL logic.
6. Low Power Consumption: Designed to consume less power, making it ideal for battery-powered devices.
7. TTL-Compatible Inputs: Ensures compatibility with TTL logic levels.
8. High Output Current: Capable of sourcing or sinking up to 6 mA, suitable for driving LED indicators or other loads.
9. Standard 20-Pin DIP: Comes in a standard 20-pin dual in-line package for easy integration.
These features make the SN74HC244N suitable for applications requiring efficient data buffering and driving capabilities.
Pinout
1. Pin 1, 19 (1OE, 2OE): Output Enable for 1st and 2nd group of 4 buffers, active low.
2. Pin 2-9 (1A1-1A4, 2A1-2A4): Data inputs for the buffers.
3. Pin 18-11 (1Y1-1Y4, 2Y1-2Y4): Data outputs of the buffers.
4. Pin 10 (GND): Ground.
5. Pin 20 (VCC): Positive power supply.
The device is used for buffering data and isolating different sections of a system bus to prevent interference. It can drive up to 15 LSTTL loads and has a wide supply voltage range from 2V to 6V, making it versatile for various applications.
Manufacturer
Application
1. Bus Driving: It buffers and drives data on buses, enhancing signal integrity.
2. Signal Isolation: Provides isolation between different sections of a circuit, preventing signal degradation.
3. Data Distribution: Ideal for distributing data to multiple peripherals.
4. Memory Addressing: Facilitates address buffering in memory systems.
5. Logic Level Conversion: Converts logic levels between different parts of a system.
6. Microprocessor Interfacing: Interfaces microprocessors with other devices, ensuring proper data flow.
Its capability to manage multiple signals efficiently makes it suitable for complex digital systems.