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74LVC4245APW
+物料清單Bus Transceivers XCVR 8BIT LVL SHIFTR
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製造商Nexperia
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製造商部分 #74LVC4245APW
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有存貨18577
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規格
| 屬性 | 價值 |
| StandardPackQty | 63 |
概述
Description
Key features include:
- Dual Supply Operation: VCCA operates from 1.2V to 3.6V, and VCCB from 1.2V to 5.5V.
- Bidirectional Data Flow: The device supports data transfer in either direction, controlled by the DIR pin.
- Output Enable Function: The OE pin disables the outputs, allowing for bus isolation.
- Low Power Consumption: With typical low static power dissipation, it is suitable for battery-operated applications.
- High-Speed Performance: Ensures quick data transfer across interface boundaries.
Common applications for the 74LVC4245APW include interfacing between microcontrollers, buses, and peripheral components operating at different voltage levels. Its compact design, along with reliable signal integrity, makes it a popular choice for modern electronic systems.
Equivalent
1. SN74LVC4245APWR by Texas Instruments
2. MC74LCX4245 by ON Semiconductor
3. PI74LCX4245 by Diodes Incorporated
These alternatives offer similar functionality and pin configurations, allowing for compatibility in various applications. Always consult datasheets to ensure specific requirements are met.
Features
1. Dual Supply Voltage: Supports two independent supply voltages, allowing bidirectional voltage level translation between 3.3V and 5V systems.
2. Bidirectional Data Transfer: Facilitates data transfer in both directions, making it versatile for various applications.
3. 3-State Outputs: Equipped with 3-state outputs, enabling multiple devices to share the same bus without interference.
4. High-Speed Operation: Capable of high-speed data transfer, making it suitable for modern high-performance applications.
5. Latch-Up Performance: Offers a robust latch-up protection, exceeding 100 mA per JESD78 Class II.
6. Low Power Consumption: Designed for low dynamic power dissipation, enhancing energy efficiency.
7. ESD Protection: Features ESD protection on all pins, improving reliability in harsh environments.
8. Compact Package: Available in a TSSOP-20 package, making it ideal for space-constrained designs.
These features make the 74LVC4245APW suitable for interfacing mixed-voltage systems in digital circuits.
Pinout
Pin Count:
- The 74LVC4245APW comes in a 24-pin package.
Function:
- This device provides bidirectional voltage level translation and bus transceiver functionality.
- It includes two separate power supply rails: VCCA for the A-side and VCCB for the B-side, allowing for seamless voltage level conversion between different logic levels.
- The OE (Output Enable) pin allows users to disable the outputs, placing them in a high-impedance state to prevent bus contention.
- The DIR (Direction) pin controls the direction of the data flow, either from A to B when the pin is high, or from B to A when the pin is low.
- The bus transceivers offer controlled output edge rates for reduced ground bounce and undershoots, making them suitable for driving capacitive loads.
Overall, the 74LVC4245APW is a versatile component used for interfacing between components operating at different voltage levels in digital circuits.