SN74ALVC164245DL
16-bit dual bus transceiver with voltage level translation
Manufacturer： ti
series introduction
# SN74ALVC164245DL Product Series Introduction
## 1. Overview
The SN74ALVC164245DL belongs to the SN74ALVC series of integrated circuits produced by Texas Instruments. It is a 16 - bit bus transceiver with 3 - state outputs, designed to provide high - speed data transfer between two data buses in various digital systems. This device is well - suited for applications where efficient and reliable bidirectional data communication is required, such as in computer motherboards, industrial control systems, and communication equipment.
## 2. Key Features
### 2.1 High - Speed Operation
- The SN74ALVC164245DL is capable of operating at very high speeds, with typical propagation delays in the range of a few nanoseconds. This high - speed performance allows for rapid data transfer between different parts of a digital system, enabling the system to handle large amounts of data in a short period. For example, in a high - speed data acquisition system, it can quickly transfer the collected data from the input sensors to the processing unit.
### 2.2 Low Power Consumption
- It is designed with advanced CMOS technology, which results in low power consumption. This is particularly important in battery - powered devices or systems where power efficiency is a critical factor. The low power operation helps to extend the battery life of portable devices and reduces the overall power requirements of larger systems, leading to cost savings and less heat generation.
### 2.3 3 - State Outputs
- The 3 - state outputs of the SN74ALVC164245DL provide a high - impedance state in addition to the normal logic high and low states. This feature allows multiple devices to be connected to the same bus without causing conflicts. When a device is not actively transmitting data, its outputs can be placed in the high - impedance state, effectively disconnecting it from the bus. This is essential in multi - master or shared - bus systems, where different devices need to take turns accessing the bus.
### 2.4 Wide Operating Voltage Range
- The device can operate over a wide voltage range, typically from 1.65V to 3.6V. This wide voltage tolerance makes it compatible with a variety of power supply configurations and allows it to interface with different types of digital circuits that may operate at different voltage levels. For instance, it can be used in systems that have both 1.8V and 3.3V components, facilitating seamless integration between different parts of the system.
### 2.5 ESD Protection
- The SN74ALVC164245DL is equipped with electrostatic discharge (ESD) protection on all inputs and outputs. This protection helps to safeguard the device from damage caused by static electricity, which is a common problem in electronic systems. ESD events can occur during handling, assembly, or normal operation, and the built - in protection ensures the reliability and longevity of the device.
## 3. Functional Description
### 3.1 Pin Configuration
- The SN74ALVC164245DL comes in a specific package with a well - defined pinout. It has 48 pins, which are divided into different groups for data input/output, control signals, and power supply. The data pins are arranged in two sets of 16 pins each (A0 - A15 and B0 - B15), representing the two data buses between which the transceiver operates. The control pins include the direction control (DIR) pin, which determines the direction of data flow (from A to B or from B to A), and the output enable (OE) pin, which enables or disables the 3 - state outputs.
### 3.2 Data Transfer Operation
-
Images for reference
48-SSOP
Image Preview
Image Preview