Datasheet > SN74LVC138PW

SN74LVC138PW

更新时间： 2024-11-21 01:04:51

品牌	Logo	应用领域
德州仪器 - TI		输出元件
页数	文件大小	规格书
22页	1055K
描述
8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

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SN74LVC138PW 数据手册

SN74LVCH8T245

8-BIT DUAL-SUPPLY BUS TRANSCEIVER

WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

www.ti.com

SCES637A–AUGUST 2005–REVISED FEBRUARY 2007

FEATURES

•

Control Inputs V_IH/V_ILLevels Are Referenced

to V_CCAVoltage

•

Bus Hold on Data Inputs Eliminates the Need

for External Pullup/Pulldown Resistors

V_CCIsolation Feature – If Either V_CCInput Is at

GND, All Are in the High-Impedance State

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

Fully Configurable Dual-Rail Design Allows

Each Port to Operate Over the Full 1.65-V to

5.5-V Power-Supply Range

BKR

ESD Protection Exceeds JESD 22

–

4000-V Human-Body Model (A114-A)

200-V Machine Model (A115-A)

1000-V Charged-Device Model (C101)

DB, DGV, OR PW PACKAGE

(TOP VIEW)

RHL PACKAGE

(TOP VIEW)

DIR

CCA

CCB

DIR

CCB

21 B1

20 B2

19 B3

18 B4

GND 11

GND 12

14 B8

A8 10

GND

13 GND

14 B8

DESCRIPTION/ORDERING INFORMATION

This 8-bit noninverting bus transceiver uses two separate configurable power-supply rails. The

SN74LVCH8T245 is optimized to operate with V_CCAand V_CCBset at 1.65 V to 5.5 V. The A port is designed to

track V_CCA. V_CCAaccepts any supply voltage from 1.65 V to 5.5 V. The B port is designed to track V_CCB. V_CCB

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 5.5-V voltage nodes.

ORDERING INFORMATION

T_A

PACKAGE⁽¹⁾

ORDERABLE PART NUMBER

SN74LVCH8T245RHLR

SN74LVCH8T245DBR

TOP-SIDE MARKING

NJ245

QFN – RHL

SSOP – DB

Reel of 1000

Reel of 2000

Tube of 60

NJ245

–40°C to 85°C

SN74LVCH8T245PW

TSSOP – PW

TVSOP – DGV

Reel of 2000

SN74LVCH8T245PWR

SN74LVCH8T245DGVR

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

www.ti.com/sc/package.

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...22

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与SN74LVC138PW相关器件

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SN74LVC139A_08	TI	获取价格	DUAL 2-LINE TO 4-LINE DECODER/DEMULTIPLEXER
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SN74LVC139ADBE4	TI	获取价格	LVC/LCX/Z SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, SSOP-16
SN74LVC139ADBLE	TI	获取价格	DUAL 2-LINE TO 4-LINE DECODER/DEMULTIPLEXER
SN74LVC139ADBR	TI	获取价格	DUAL 2-LINE TO 4-LINE DECODER/DEMULTIPLEXER
SN74LVC139ADBRE4	TI	获取价格	DUAL 2-LINE TO 4-LINE DECODER/DEMULTIPLEXER
SN74LVC139ADBRG4	TI	获取价格	DUAL 2-LINE TO 4-LINE DECODER/DEMULTIPLEXER

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