Datasheet > SN74LVC2T45

SN74LVC2T45

更新时间： 2024-11-20 23:06:23

品牌	Logo	应用领域
德州仪器 - TI		总线收发器输出元件
页数	文件大小	规格书
22页	426K
描述
DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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SN74LVC2T45 数据手册

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SCES516E − DECEMBER 2003 − REVISED MAY 2004

Available in the Texas Instruments

NanoStar and NanoFree Packages

Fully Configurable Dual-Rail Design Allows

Each Port to Operate Over the Full 1.65-V to

5.5-V Power-Supply Range

Supports Partial-Power-Down Mode

off

Operation

Max Data Rates

− 420 Mbps (3.3-V to 5-V Translation)

− 210 Mbps (Translate to 3.3 V)

− 140 Mbps (Translate to 2.5 V)

− 75 Mbps (Translate to 1.8 V)

Isolation Feature − If Either V

Input

Is at GND, Both Ports Are in the

High-Impedance State

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

DIR Input Circuit Referenced to V

CCA

ESD Protection Exceeds JESD 22

− 2000-V Human-Body Model (A114-A)

− 200-V Machine Model (A115-A)

Low Power Consumption, 10-µA Max I

24-mA Output Drive at 3.3 V

− 1000-V Charged-Device Model (C101)

DCT OR DCU PACKAGE

(TOP VIEW)

YEP OR YZP PACKAGE

(BOTTOM VIEW)

4 5

3 6

2 7

1 8

GND

DIR

CCA

CCB

GND

CCA

CCB

description/ordering information

This dual-bit noninverting bus transceiver uses two separate configurable power-supply rails. The A port is

designed to track V . V accepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track

CCA CCA

. V

accepts any supply voltage from 1.65 V to 5.5 V. This allows for universal low-voltage bidirectional

CCB CCB

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

The SN74LVC2T45 is designed for asynchronous communication between data buses. The device transmits

data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the

direction-control (DIR) input.

ORDERING INFORMATION

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

†

PACKAGE

‡

NanoStar − WCSP (DSBGA)

0.23-mm Large Bump − YEP

SN74LVC2T45YEPR

SN74LVC2T45YZPR

Reel of 3000

_ _ _TB_

NanoFree − WCSP (DSBGA)

0.23-mm Large Bump − YZP (Pb-free)

−40°C to 85°C

Reel of 3000

Reel of 250

Reel of 3000

SN74LVC2T45DCTR

SN74LVC2T45DCTT

SN74LVC2T45DCUR

SSOP − DCT

CT2_ _ _

CT2_

VSSOP − DCU

Reel of 250

SN74LVC2T45DCUT

†

‡

Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at

www.ti.com/sc/package.

DCT: The actual top-side marking has three additional characters that designate the year, month, and assembly/test site.

DCU: The actual top-side marking has one additional character that designates the assembly/test site.

YEP/YZP: The actual top-side marking has three preceding characters to denote year, month, and sequence code, and one

following character to designate the assembly/test site. Pin

1 identifier indicates solder-bump composition

^{(1 = SnPb,}• = Pb-free).

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.

NanoStar and NanoFree are trademarks of Texas Instruments.

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POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...22

中文翻译

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SN74LVC2T45 替代型号

型号	品牌	替代类型	描述	数据表
SN74AVC2T245	TI	功能相似	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74AVCH2T45	TI	功能相似	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74AVC2T45	TI	功能相似	DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3 STATE OUT

与SN74LVC2T45相关器件

型号	品牌	获取价格	描述	数据表
SN74LVC2T45_07	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45_08	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45_10	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45DCTR	TI	获取价格	DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45DCTRE4	TI	获取价格	DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45DCTRG4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45DCTT	TI	获取价格	DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45DCTTE4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45DCTTG4	TI	获取价格	DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT
SN74LVC2T45DCUR	TI	获取价格	DUAL BIT DUAL SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUT

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