TXB0304

更新时间： 2024-09-14 12:16:51

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
14页	614K
描述
4-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTOMATIC DIRECTION SENSING

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TXB0304 数据手册

TXB0304

www.ti.com

SCES831C –SEPTEMBER 2011–REVISED MAY 2012

4-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTOMATIC DIRECTION

SENSING

Check for Samples: TXB0304

FEATURES

DESCRIPTION

This 4-bit non-inverting translator uses two separate

configurable power-supply rails. The port is

•

Fully Symmetric Supply Voltages. 0.9 V to 3.6

V on A Port and 0.9 V to 3.6 V

•

V_CCIsolation Feature – If Either V_CCInput Is at

GND, All Outputs Are in the High-Impedance

State

designed to track V_CCA. V_CCAaccepts any supply

voltage from 0.9 V to 3.6 V. The B port is designed to

track V_CCB. V_CCBaccepts any supply voltage from 0.9

V to 3.6 V. This allows for low-voltage bidirectional

translation between 1-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V

and 3.3-V voltage nodes. For the TXB0304, when the

output-enable (OE) input is low, all outputs are placed

in the high-impedance state. To ensure the high-

impedance state during power up or power down, OE

should be tied to GND through a pulldown resistor;

the minimum value of the resistor is determined by

the current-sourcing capability of the driver. The

TXB0304 is designed so that the OE input circuit is

supplied by V_CCA. This device is fully specified for

partial-power-down applications using I_off. The I_off

circuitry disables the outputs, preventing damaging

current backflow through the device when it is

powered down.

•

OE Input Circuit Referenced to V_CCA

Low Power Consumption, 5-μA Max (I_CCAor

I_CCB

)

•

I_offSupports Partial-Power-Down Mode

Operation

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

ESD Protection Exceeds JESD 22

–

8000-V Human-Body Model (A114-B)

1000-V Charged-Device Model (C101)

RSV PACKAGE

(TOP VIEW)

RUT PACKAGE

(TOP VIEW)

TXB0304

TXBN0304

TXB0304

TXBN0304

A. Pull up resistors are not required on both sides for Logic I/O.

B. If pull up or pull down resistors are needed, the resistor value must be over 20 kΩ.

C. 20 kΩ is a safe recommended value, if the customer can accept higher Vol or lower Voh, smaller pull up or pull down

resistor is allowed, the draft estimation is Vol = Vccout × 1.5k/(1.5k + Rpu) and Voh = Vccout × Rdw/(1.5k + Rdw).

D. If pull up resistors are needed, please refer to the TXS0104 or contact TI.

E. For detailed information, please refer to application note SCEA043.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...14

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TXB0304 替代型号

型号	品牌	替代类型	描述	数据表
TXS0104E	TI	功能相似	4-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR FOR OPEN-DRAIN APPLICATIONS
SN74AVC4T774	TI	功能相似	4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUT
SN74AVC4T245	TI	功能相似	4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUT

与TXB0304相关器件

型号	品牌	获取价格	描述	数据表
TXB0304_15	TI	获取价格	4-Bit Bidirectional Level-Shifter/Voltage Translator
TXB0304RSVR	TI	获取价格	4-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTOMATIC DIRECTION SENSING
TXB0304RUTR	TI	获取价格	4-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR WITH AUTOMATIC DIRECTION SENSING
TXB0CTRL	MICROCHIP	获取价格	Stand-Alone CAN Controller with SPI Interface
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TXB0D2	MICROCHIP	获取价格	Stand-Alone CAN Controller with SPI Interface
TXB0D3	MICROCHIP	获取价格	Stand-Alone CAN Controller with SPI Interface
TXB0D4	MICROCHIP	获取价格	Stand-Alone CAN Controller with SPI Interface
TXB0D5	MICROCHIP	获取价格	Stand-Alone CAN Controller with SPI Interface

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