Input Signal:	--
Base Part Number:	74AVC16T245
Supplier Device Package:	56-BGA MICROSTAR JUNIOR (7.0x4.5)
Package / Case:	56-VFBGA
Mounting Type:	Surface Mount
Features:	--
Operating Temperature:	-40°C ~ 85°C (TA)
Data Rate:	380Mbps
Output Type:	Tri-State, Non-Inverted
Output Signal:	--
Series:	74AVC
Voltage - VCCB:	1.2V ~ 3.6V
Voltage - VCCA:	1.2V ~ 3.6V
Channels per Circuit:	8
Number of Circuits:	2
Channel Type:	Bidirectional
Translator Type:	Voltage Level
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The SN74AVC16T245ZQLR is an advanced 6-bit low-voltage translational logic level shifter. It is designed for a variety of digital bus applications, such as multiprocessor systems, communications networks, and many other applications. It can operate at 5V and 3.3V supply voltage levels, and supports two low-voltage bidirectional active-low input/output voltage levels.

Application Field

The SN74AVC16T245ZQLR is applicable to digital bus applications where multiple voltage supplies are used. These include multiprocessor systems, communications networks, and many other applications. It can be used to increase the communication speed of data between systems that operate at different voltage levels. It can help reduce power consumption and minimize the complexity of board layout, as the device requires no pull-up or pull-down resistors.

Working Principle

The SN74AVC16T245ZQLR is composed of two parts, a low-voltage level-shifting device and a bidirectional buffer. The low-voltage level shifting device is used to convert one logic level to another. It has two low-voltage bidirectional active-low input/output voltage levels (Vcc1 and Vcc2). When the logic signals at Vcc1 and Vcc2 are different, the level-shifting device will detect the difference and output a logic signal at the output voltage level. The bidirectional buffer allows data to be transmitted in both directions. It has an input logic buffer with an enable input, and an output buffer with an enable output. The output buffer is enabled when the input buffer is enabled and the input data is valid. The enable input of the output buffer is also used to control the buffer’s output data. When disabled, the output buffer will maintain its last valid data.

Conclusion

The SN74AVC16T245ZQLR is a logic-level translational logic level shifter for digital bus applications. The device is composed of a low-voltage level-shifting device and a bidirectional buffer. It supports two low-voltage bidirectional active-low input/output voltage levels, and it enables fast data transmission between systems operating at different voltage levels. It also helps reduce power consumption and simplify board layout.

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