사양
| 속성 | 가치 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74AVC |
| Part Status | Active |
| Logic Type | Translation Transceiver |
| Number of Elements | 2 |
| Number of Bits per Element | 2 |
| Output Type | 3-State |
| Current - Output High Low | 12mA, 12mA |
| Voltage - Supply | 1.2V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
개요
Description
The SN74AVC4T245PWR is a low-voltage, dual-supply bus transceiver designed by Texas Instruments. It is part of the AVC family and facilitates bidirectional data transfer between different voltage levels, making it ideal for level-shifting applications. The device can operate in a voltage range of 1.2 V to 3.6 V on both the A and B ports, allowing it to interface between systems with different power supply levels.
Key features include a high-speed operation enabled by its low propagation delay and low power consumption due to its low-voltage capabilities. It supports partial power-down applications using Ioff circuitry, preventing backflow current when the device is powered down. The SN74AVC4T245PWR has a direction-control input, which determines the direction of data flow, and an output-enable input for high-impedance state control.
Packaged in a TSSOP-16, it is suitable for compact circuit designs. The device is commonly used in applications like portable electronics, telecommunications equipment, and any system requiring efficient voltage level translation.
Key features include a high-speed operation enabled by its low propagation delay and low power consumption due to its low-voltage capabilities. It supports partial power-down applications using Ioff circuitry, preventing backflow current when the device is powered down. The SN74AVC4T245PWR has a direction-control input, which determines the direction of data flow, and an output-enable input for high-impedance state control.
Packaged in a TSSOP-16, it is suitable for compact circuit designs. The device is commonly used in applications like portable electronics, telecommunications equipment, and any system requiring efficient voltage level translation.
Equivalent
The SN74AVC4T245PWR is a 4-bit dual-supply bus transceiver with configurable voltage translation. Equivalent products from other manufacturers include:
1. NXP's 74AVC4T245 - Offers similar voltage translation and bus transceiver functionality.
2. ON Semiconductor's FXLA104 - A similar 4-bit level translating transceiver.
3. Microchip's 74AVC4T245 - Provides equivalent voltage level shifting and transceiver capabilities.
It's essential to check specific parameters like voltage levels, package type, and speed to ensure compatibility.
1. NXP's 74AVC4T245 - Offers similar voltage translation and bus transceiver functionality.
2. ON Semiconductor's FXLA104 - A similar 4-bit level translating transceiver.
3. Microchip's 74AVC4T245 - Provides equivalent voltage level shifting and transceiver capabilities.
It's essential to check specific parameters like voltage levels, package type, and speed to ensure compatibility.
Features
The SN74AVC4T245PWR is a 4-bit dual-supply bus transceiver from Texas Instruments, designed for translating voltages in mixed-signaling environments. Key features include:
1. Voltage Translation: Supports bidirectional voltage level translation, accommodating voltages from 1.2V to 3.6V on both VCCA and VCCB supplies, allowing for interfacing between devices with different logic levels.
2. High-Speed Operation: Offers high-speed signal transmission, which is ideal for applications requiring quick data transfer.
3. Partial Power-Down: Features Ioff circuitry to prevent backflow current, allowing for the device to be safely powered down without affecting the bus.
4. Low Power Consumption: Provides low static power consumption, making it suitable for battery-powered applications.
5. Integrated Latch-Up Protection: Exceeds 100 mA per JESD 78 standard, ensuring robust protection against latch-up conditions.
6. Compact Package: Available in a small TSSOP-16 package, making it suitable for space-constrained designs.
These features make the SN74AVC4T245PWR ideal for applications in portable electronics, computing, and any system requiring interfacing between different voltage levels.
1. Voltage Translation: Supports bidirectional voltage level translation, accommodating voltages from 1.2V to 3.6V on both VCCA and VCCB supplies, allowing for interfacing between devices with different logic levels.
2. High-Speed Operation: Offers high-speed signal transmission, which is ideal for applications requiring quick data transfer.
3. Partial Power-Down: Features Ioff circuitry to prevent backflow current, allowing for the device to be safely powered down without affecting the bus.
4. Low Power Consumption: Provides low static power consumption, making it suitable for battery-powered applications.
5. Integrated Latch-Up Protection: Exceeds 100 mA per JESD 78 standard, ensuring robust protection against latch-up conditions.
6. Compact Package: Available in a small TSSOP-16 package, making it suitable for space-constrained designs.
These features make the SN74AVC4T245PWR ideal for applications in portable electronics, computing, and any system requiring interfacing between different voltage levels.
Pinout
The SN74AVC4T245PWR is a 20-pin integrated circuit from Texas Instruments. It is a dual-supply, 4-bit, non-inverting bus transceiver with configurable voltage-level translation and three-state outputs. The device is designed for asynchronous communication between data buses. Its key features include:
- Pin Count: 20 pins.
- Function: The primary function of the SN74AVC4T245PWR is to enable bidirectional level shifting and buffering for data lines between two different voltage levels. It can handle a voltage range from 1.2 V to 3.6 V on both sides (VCCA and VCCB).
- Control: It includes two direction control pins (DIR) and two output enable pins (\( \overline{OE} \)), allowing for flexible data flow control.
- Bus-Hold Capability: The device has bus-hold capabilities on the data I/Os, eliminating the need for external pull-up or pull-down resistors.
- Applications: This IC is suitable for use in systems where data lines need to interface between different voltage domains, such as in mixed-voltage digital systems or interfacing microcontrollers with peripherals operating at different voltage levels.
- Pin Count: 20 pins.
- Function: The primary function of the SN74AVC4T245PWR is to enable bidirectional level shifting and buffering for data lines between two different voltage levels. It can handle a voltage range from 1.2 V to 3.6 V on both sides (VCCA and VCCB).
- Control: It includes two direction control pins (DIR) and two output enable pins (\( \overline{OE} \)), allowing for flexible data flow control.
- Bus-Hold Capability: The device has bus-hold capabilities on the data I/Os, eliminating the need for external pull-up or pull-down resistors.
- Applications: This IC is suitable for use in systems where data lines need to interface between different voltage domains, such as in mixed-voltage digital systems or interfacing microcontrollers with peripherals operating at different voltage levels.
Manufacturer
The SN74AVC4T245PWR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global company known for designing and manufacturing semiconductors and various integrated circuits. Their products are widely used in electronics across different industries, including consumer electronics, automotive, industrial, and communication equipment. TI is recognized for its extensive portfolio of analog and embedded processing products, and the company plays a significant role in advancing semiconductor technology.
Application
The SN74AVC4T245PWR is a voltage-level translator commonly used in applications requiring voltage level shifting between different parts of a digital system. Key applications include interfacing between devices operating at different voltage levels, such as between microcontrollers and peripheral devices, facilitating communication in mixed-voltage systems. It's suitable for data buses, memory modules, and various I/O interfaces in consumer electronics, computing, and industrial systems. The device is beneficial in portable electronics where power conservation and efficient signal integrity are crucial. Its bidirectional capability without requiring a direction control pin makes it ideal for dynamic and flexible systems, enhancing signal compatibility across diverse circuit components.
Package
The SN74AVC4T245PWR is a 16-pin TSSOP (Thin Shrink Small Outline Package) device. This package is designed to be compact for surface mounting on printed circuit boards and is part of Texas Instruments' family of voltage level translators.