Overview
The SN74LVT245BRGYR is a high-performance, octal bus transceiver integrated circuit (IC) produced by Texas Instruments. It is part of the 74LVT series, known for its low-voltage operation and tolerance to mixed voltage environments. This device is designed to provide bidirectional communication between two data buses, making it suitable for a wide range of applications from consumer electronics to complex data communication systems. Constructed with advanced BiCMOS technology, the SN74LVT245BRGYR offers optimal signal integrity with reduced power consumption, critical for modern electronic devices.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Series | 74LVT |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Output Type | 3-State |
| Current - Output High, Low | 32mA, 64mA |
| Voltage - Supply | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 20-VFQFN Exposed Pad |
| Package QTY | 3000 (Carrier) |
| Lifecycle Status | Active (Recommended for new designs) |
Key Features
- Bidirectional Interface Capability: Each of the eight channels can be independently directed to transmit or receive, controlled by the direction control (DIR) input and the output enable (OE) input.
- Mixed-Mode Signal Operation: Supports 5-V input and output voltages with 3.3-V VCC, allowing interoperability with legacy systems operating at higher voltages.
- Low-Voltage Operation: Operates down to 2.7 V, making it suitable for unregulated battery operation.
- ESD Protection: Exceeds JESD 22 standards with 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model protection.
- Hot Insertion Support: Fully specified for hot-insertion applications using Ioff and power-up 3-state circuitry to prevent damaging current backflow and driver conflict.
- Compact Packaging: Comes in a 20-pin VQFN package, which is beneficial for space-saving on printed circuit boards.
- Fast Propagation Delay and Edge-Rate Control: Minimizes noise generation, ensuring high-speed signal transmission while maintaining signal integrity.
Applications
- Bus Interfaces: Ideal for implementing bus interfaces in various applications, from consumer electronics to complex data communication systems.
- Data Communication Systems: Used in interfacing applications such as between microprocessors/microcontrollers and peripherals.
- Voltage Level Translation: Suitable for voltage level translation between different domains within a system.
- High-Speed Signal Transmission: Excellent choice for high-speed signal transmission while maintaining signal integrity.
Q & A
- What is the SN74LVT245BRGYR used for?
The SN74LVT245BRGYR is used for bidirectional communication between two data buses, making it suitable for various applications including bus interfaces, data communication systems, and voltage level translation.
- What is the operating voltage range of the SN74LVT245BRGYR?
The operating voltage range is 2.7V to 3.6V.
- What is the operating temperature range of the SN74LVT245BRGYR?
The operating temperature range is -40°C to 85°C.
- What type of package does the SN74LVT245BRGYR come in?
The device comes in a 20-pin VQFN (Very Thin Quad Flat No-Lead) package.
- Does the SN74LVT245BRGYR support hot insertion?
Yes, it is fully specified for hot-insertion applications using Ioff and power-up 3-state circuitry.
- What kind of ESD protection does the SN74LVT245BRGYR have?
The device exceeds JESD 22 standards with 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model protection.
- Can the SN74LVT245BRGYR operate with mixed voltage levels?
Yes, it supports mixed-mode signal operation with 5-V input and output voltages while operating at 3.3-V VCC.
- How many bits per element does the SN74LVT245BRGYR have?
The device has 8 bits per element.
- What is the typical output current of the SN74LVT245BRGYR?
The typical output current is 32mA for high and 64mA for low.
- Is the SN74LVT245BRGYR recommended for new designs?
Yes, it is active and recommended for new designs.
