Overview
The 74LVT245PW/AU118, produced by NXP USA Inc. (now part of Nexperia), is an 8-bit transceiver with 3-state outputs. This device is designed for bidirectional level translation and features an output enable (OE) and a send/receive (DIR) pin for direction control. It is particularly useful in applications where data needs to be transmitted between different voltage domains.
Key Specifications
| Parameter | Value |
|---|---|
| VCC (V) | 2.7 to 3.6 |
| Logic Switching Levels | TTL |
| Output Drive Capability (mA) | +64 / -32 |
| Propagation Delay (ns) | 2.4 |
| Number of Bits | 8 |
| Maximum Frequency (MHz) | 150 |
| Power Dissipation Considerations | Medium |
| Operating Temperature (°C) | -40 to 85 |
| Package Name | TSSOP20 (SOT360-1) |
Key Features
- Octal bidirectional bus interface
- 3-state buffers with output enable (OE) and direction control (DIR)
- Overvoltage tolerant inputs up to 5.5 V
- Direct interface with TTL levels
- BiCMOS high-speed and high output drive capability
- Bus-hold data inputs eliminate the need for external pull-up resistors
- No bus current loading when output is tied to 5 V bus
- Live insertion/extraction permitted
- Power-up 3-state and IOFF circuitry for partial Power-down mode operation
- Latch-up protection exceeds 500 mA per JESD78 Class II Level A
Applications
The 74LVT245PW/AU118 is versatile and can be used in a variety of applications across different industries, including:
- Automotive systems for voltage translation between different modules
- Industrial control systems requiring bidirectional communication
- Consumer electronics for interfacing between different voltage domains
- Mobile and wearable devices where power efficiency and small form factor are crucial
- Computing and networking equipment for high-speed data transmission
Q & A
- What is the primary function of the 74LVT245PW/AU118? The primary function is to act as an 8-bit bidirectional transceiver with 3-state outputs for level translation between different voltage domains.
- What is the voltage range for VCC? The voltage range for VCC is from 2.7 V to 3.6 V.
- What is the output drive capability of the device? The output drive capability is +64 mA / -32 mA.
- What is the maximum propagation delay? The maximum propagation delay is 2.4 ns.
- Does the device support live insertion/extraction? Yes, the device supports live insertion/extraction.
- What type of package does the 74LVT245PW/AU118 come in? The device comes in a TSSOP20 (SOT360-1) package.
- What is the operating temperature range? The operating temperature range is from -40°C to 85°C.
- Does the device have latch-up protection? Yes, the device has latch-up protection that exceeds 500 mA per JESD78 Class II Level A.
- What is the purpose of the bus-hold data inputs? The bus-hold data inputs eliminate the need for external pull-up resistors for unused inputs.
- Is the device RoHS compliant? Yes, the device is RoHS compliant.
