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SN54LS244J
+BOMMILITARY 8-CH, 4.5-V TO 5.5-V BI
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제조업체텍사스 인스트루먼트(주)
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제조업체 부품 #SN54LS244J
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데이터시트 SN54LS244J DataSheet
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재고28271
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사양
| 속성 | 가치 |
| Series | 54LS |
| PartStatus | Active |
| LogicType | Buffer, Non-Inverting |
| NumberofElements | 2 |
| NumberofBitsperElement | 4 |
| InputType | Schmitt Trigger |
| OutputType | 3-State |
| Current-OutputHigh,Low | 12mA, 12mA |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -55°C ~ 125°C (TA) |
| MountingType | Through Hole |
| Package/Case | 20-CDIP (0.300", 7.62mm) |
| SupplierDevicePackage | 20-CDIP |
개요
Description
Key features include:
1. 8-bit Buffers/Line Drivers: It offers two groups of four buffers, which help in driving data lines over long distances or with high capacitive loads.
2. 3-State Outputs: The outputs can be in one of three states: high, low, or high-impedance. This high-impedance state allows multiple outputs to connect to a common bus without interfering with each other.
3. TTL Compatibility: The SN54LS244J is designed to interface with TTL (Transistor-Transistor Logic) devices, making it suitable for use in older and mixed-signal environments.
4. Military Specification: The 'SN54' prefix indicates that it conforms to military standards, suitable for applications requiring high reliability.
Overall, the SN54LS244J is useful for enhancing signal integrity and reducing the load on logic circuits in complex electronic systems.
Equivalent
1. SN74LS244N (by Texas Instruments)
2. 74LS244 (by various manufacturers like NXP, ON Semiconductor)
3. MC74LS244 (by ON Semiconductor)
4. HD74LS244 (by Renesas Electronics)
5. DM74LS244 (by Fairchild Semiconductor, now part of ON Semiconductor)
Ensure compatibility by checking the datasheet for specifics like voltage levels, package type, and temperature ratings.
Features
1. Configuration: It contains 8 non-inverting buffers with 3-state outputs, allowing for efficient signal driving and line isolation.
2. 3-State Outputs: This feature allows the outputs to be in one of three states: high, low, or high-impedance, enabling multiple outputs to connect to a common bus.
3. High Drive Capability: Designed to drive high-capacitance loads, it ensures strong signal integrity over extended distances.
4. Low Power Consumption: The LS family is known for lower power usage compared to standard TTL devices, making it suitable for power-sensitive applications.
5. Operating Temperature Range: The SN54LS244J is designed for military applications with a wider operating temperature range (-55°C to 125°C).
6. Package: Available in a ceramic dual in-line package (DIP), suitable for robust applications requiring high reliability.
7. Typical Applications: Used in memory addressing, data multiplexing, and as a bus interface in microprocessor systems.
Pinout
Key functions of the SN54LS244J include:
1. Octal Buffer/Driver: It provides two sets of 4-line buffers with separate output enable controls.
2. Tri-State Outputs: Allows the outputs to be in one of three states: high, low, or high-impedance, enabling multiple outputs to connect to a common bus without interference.
3. Inverting and Non-Inverting Outputs: It provides both inverting and non-inverting outputs based on the input signals.
4. High-Speed Operation: Designed for high-speed memory and bus interface applications.
It is typically used in applications where a strong drive capability is needed to transmit signals over a bus or to interface with external circuitry.
Manufacturer
Application
1. Bus Driving: Used to drive data buses in microprocessor and microcontroller systems, ensuring signal integrity and isolation.
2. Signal Buffering: Provides buffering to enhance signal strength across longer connections or between different circuit stages.
3. Signal Isolation: Helps in isolating different parts of a circuit to prevent signal interference.
4. Level Shifting: Can be used for translating voltage levels between different parts of a system.
5. Multiplexing/De-multiplexing: Facilitates multiplexing and de-multiplexing in data communication systems.
These functions make it suitable for use in computers, communication devices, and other digital electronics.