SN74AVC32T245
32-bit dual-supply bus transceivers with voltage translation in BGA packages
Manufacturer： ['rochester', 'ti']
series introduction
# SN74AVC32T245: A Comprehensive Introduction to a High - Performance Logic Transceiver Series
## 1. Overview
The SN74AVC32T245 is a part of Texas Instruments' extensive portfolio of logic transceivers. This product series is designed to provide a reliable and efficient solution for bidirectional voltage - level translation and signal buffering in a wide range of digital systems. With its advanced features and high - performance characteristics, it is well - suited for applications in consumer electronics, industrial automation, telecommunications, and more.
## 2. Key Features
### 2.1 Wide Voltage Range Support
- The SN74AVC32T245 supports a wide supply voltage range from 1.65V to 3.6V on both the A and B ports. This flexibility allows it to interface between different voltage domains, making it ideal for systems where multiple power supply levels are used. For example, it can easily translate signals between a 1.8V microcontroller and a 3.3V peripheral device.
### 2.2 High - Speed Operation
- It offers high - speed data transfer capabilities, with typical propagation delays as low as a few nanoseconds. This enables the transceiver to handle high - frequency signals, making it suitable for applications that require fast data communication, such as high - speed serial interfaces and memory access.
### 2.3 Bidirectional Data Flow
- The device supports bidirectional data transfer, which means that data can flow in either direction between the A and B ports. The direction of data flow is controlled by the DIR (Direction) input pin. This feature simplifies the design of systems where data needs to be transferred back and forth between different components.
### 2.4 Low Power Consumption
- The SN74AVC32T245 is designed with low - power consumption in mind. It has a low quiescent current, which helps to reduce the overall power consumption of the system. This is particularly important for battery - powered devices, where power efficiency is a critical factor.
### 2.5 ESD Protection
- It provides excellent electrostatic discharge (ESD) protection on all pins. This protection helps to safeguard the device from damage caused by static electricity, ensuring the reliability and longevity of the system.
## 3. Functional Description
### 3.1 Pin Configuration
- The SN74AVC32T245 typically comes in a small - outline integrated circuit (SOIC) or thin - shrink small - outline package (TSSOP). It has a total of 20 pins, which include power supply pins (VCCA, VCCB), ground pins (GND), data input/output pins (A0 - A7, B0 - B7), a direction control pin (DIR), and an output enable pin (OE).
- The A port and B port each have eight data lines, allowing for the transfer of 8 - bit data. The DIR pin determines the direction of data flow: when DIR is high, data flows from the A port to the B port; when DIR is low, data flows from the B port to the A port. The OE pin is used to enable or disable the outputs of the transceiver. When OE is low, the outputs are enabled; when OE is high, the outputs are in a high - impedance state.
### 3.2 Internal Architecture
- Internally, the SN74AVC32T245 consists of a series of buffers and level - shifting circuits. The buffers are responsible for amplifying and driving the signals, while the level - shifting circuits ensure that the signals are properly translated between the different voltage domains of the A and B ports.
## 4. Applications
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Images for reference
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96-LFBGA (13.5x5.5)
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96-LFBGA (13.5x5.5)
96-LFBGA Pkg