SN74LVCH16T245 - 16 位双电源总线收发器，可配置电压转换，三态输出

SN74LVCH16T245是TI德州仪器公司的一款方向控制电压转换产品，SN74LVCH16T245是16 位双电源总线收发器，可配置电压转换，三态输出，本站介绍了SN74LVCH16T245的封装应用图解、特点和优点、功能等，并给出了与SN74LVCH16T245相关的TI元器件型号供参考。

SN74LVCH16T245 - 16 位双电源总线收发器，可配置电压转换，三态输出 - 方向控制电压转换 - 电压电平转换 - 德州仪器

产品特性

Control Inputs VIH/VIL Levels are Referenced to VCCA Voltage
VCC Isolation Feature – If Either VCC Input is at GND, All Outputs are in the High-Impedance State
Overvoltage-Tolerant Inputs and Outputs Allow Mixed-Voltage-Mode Data Communications
Fully Configurable Dual-Rail Design Allows Each Port to Operate Over the Full 1.65 V to 5.5 V Power-Supply Range
Bus Hold on Data Inputs Eliminates the Need for External Pullup and Pulldown Resistors
Ioff Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Protection Exceeds JESD 22

产品应用

Personal Electronics
Industrial
Enterprise
Telecom

产品说明

This 16-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is designed to track VCCA. VCCA accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track VCCB. VCCB accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.

The SN74LVCH16T245 device control pins (1DIR, 2DIR, 1OE, and 2OE) are supplied by VCCA.

The SN74LVCH16T245 device is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable (OE) input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. The device transmits data from the A bus to the B bus when the B-port outputs are activated, and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports is always active and must have a logic HIGH or LOW level applied to prevent excess ICC and ICCZ.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
SN74LVCH16T245	SSOP (48)	15.88 mm × 7.49 mm
	TSSOP (48)	12.50 mm × 6.10 mm
	TVSOP (48)	9.70 mm × 4.40 mm
	BGA (56)	7.00 mm × 4.50 mm

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