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2H_

更新时间： 2022-12-26 14:34:43

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德州仪器 - TI		/
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18页	509K
描述
2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR FOR OPEN-DRAIN AND PUSH-PULL APPLICATIONS

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2H_ 数据手册

TXS0102

www.ti.com .............................................................................................................................................. SCES640B–JANUARY 2007–REVISED JANUARY 2009

2-BIT BIDIRECTIONAL VOLTAGE-LEVEL TRANSLATOR

FOR OPEN-DRAIN AND PUSH-PULL APPLICATIONS

FEATURES

TYPICAL LEVEL-SHIFTER

APPLICATIONS

•

No Direction-Control Signal Needed

•

I²C/SMBus

UART

•

Max Data Rates

–

24 Mbps (Push Pull)

2 Mbps (Open Drain)

GPIO

•

Available in the Texas Instruments NanoFree™

Package

DCT OR DCU PACKAGE

(TOP VIEW)

1.65 V to 3.6 V on A port and 2.3 V to 5.5 V on

B port (V_CCA≤ V_CCB

)

GND

V_CCA

V_CCIsolation Feature – If Either V_CCInput Is at

GND, Both Ports Are in the High-Impedance

State

V_CCB

•

No Power-Supply Sequencing Required –

Either V_CCAor V_CCBCan Be Ramped First

I_offSupports Partial-Power-Down Mode

Operation

YZP PACKAGE

(BOTTOM VIEW)

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

4 5

3 6

2 7

1 8

V_CCA

ESD Protection Exceeds JESD 22

V_CCB

GND

–

A Port

–

2500-V Human-Body Model (A114-B)

250-V Machine Model (A115-A)

1500-V Charged-Device Model (C101)

–

B Port

–

8-kV Human-Body Model (A114-B)

250-V Machine Model (A115-A)

1500-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This two-bit noninverting translator uses two separate configurable power-supply rails. The A port is designed to

track V_CCA. V_CCAaccepts any supply voltage from 1.65 V to 3.6 V. The B port is designed to track V_CCB. V_CCA

must be less than or equal to V_CCB. V_CCBaccepts any supply voltage from 2.3 V to 5.5 V. This allows for

low-voltage bidirectional translation between any of the 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes.

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.

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.

NanoFree is a trademark of Texas Instruments.

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...18

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