74HCT646D,653
Manufacturer No:
74HCT646D,653
Manufacturer:
Description:
IC TXRX NON-INVERT 5.5V 24SO
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74HCT646D,653 Specifications
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TypeParameter
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Supplier Device Package24-SO
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Package / Case24-SOIC (0.295", 7.50mm Width)
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Mounting TypeSurface Mount
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Operating Temperature-40°C ~ 125°C (TA)
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Voltage - Supply4.5V ~ 5.5V
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Current - Output High, Low6mA, 6mA
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Output Type3-State
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Input Type-
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Number of Bits per Element8
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Number of Elements1
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Logic TypeTransceiver, Non-Inverting
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PackagingTape & Reel (TR)
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Product StatusObsolete
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Series74HCT
The 74HCT646D,653 is an integrated circuit chip that belongs to the 74HCT family of high-speed CMOS logic devices. It is an octal bus transceiver with 3-state outputs, meaning it can transmit and receive data between two buses bidirectionally. Here are some advantages and application scenarios of this chip:Advantages: 1. High-speed operation: The 74HCT646D,653 operates at high speeds, making it suitable for applications that require fast data transmission. 2. 3-state outputs: The chip has 3-state outputs, which means it can be effectively disconnected from the bus when not in use, reducing power consumption and preventing bus contention. 3. Wide operating voltage range: The chip can operate within a wide voltage range, typically from 4.5V to 5.5V, making it compatible with various systems and power supplies. 4. Compatibility: The 74HCT646D,653 is compatible with TTL (Transistor-Transistor Logic) inputs, allowing it to interface with TTL logic devices.Application scenarios: 1. Data communication: The chip can be used in applications where data needs to be transmitted bidirectionally between two buses, such as in data communication systems, networking equipment, or serial communication interfaces. 2. Bus buffering: It can be used as a buffer between two buses with different voltage levels or signal characteristics, ensuring proper signal transfer and preventing damage to the connected devices. 3. Address decoding: The chip can be used in address decoding circuits, where it receives an address signal and activates the corresponding output to select a specific device or memory location. 4. Data multiplexing: It can be used to multiplex data from multiple sources onto a single bus, allowing multiple devices to share a common data path.Overall, the 74HCT646D,653 chip offers high-speed bidirectional data transmission, 3-state outputs, and compatibility with TTL inputs, making it suitable for various applications involving data communication, bus buffering, address decoding, and data multiplexing.
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