SN54LVTH2245FK

更新时间： 2024-11-04 23:03:07

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
7页	111K
描述
3.3-V ABT OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN54LVTH2245FK 数据手册

SN54LVTH2245, SN74LVTH2245

3.3-V ABT OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS707C – SEPTEMBER 1997 – REVISED APRIL 1999

SN54LVTH2245 . . . J OR W PACKAGE

SN74LVTH2245 . . . DB, DW, OR PW PACKAGE

(TOP VIEW)

State-of-the-Art Advanced BiCMOS

Technology (ABT) Design for 3.3-V

Operation and Low Static-Power

Dissipation

DIR

B-Port Outputs Have Equivalent 22-Ω

Series Resistors, So No External Resistors

Are Required

and Power-Up 3-State Support Hot

off

Insertion

Bus Hold on Data Inputs Eliminates the

Need for External Pullup/Pulldown

Resistors

GND

Support Mixed-Mode Signal Operation (5-V

Input and Output Voltages With 3.3-V V

)

SN54LVTH2245 . . . FK PACKAGE

(TOP VIEW)

Support Unregulated Battery Operation

Down to 2.7 V

Typical V

< 0.8 V at V

(Output Ground Bounce)

OLP

= 3.3 V, T = 25°C

Latch-Up Performance Exceeds 500 mA Per

JESD 17

1 20 19

ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Exceeds 200 V

Using Machine Model (C = 200 pF, R = 0)

9 10 11 12 13

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

(DB), and Thin Shrink Small-Outline (PW)

Packages, Ceramic Chip Carriers (FK),

Ceramic Flat (W) Packages, and Ceramic

(J) DIPs

description

These octal bus transceivers are designed specifically for low-voltage (3.3-V) V

capability to provide a TTL interface to a 5-V system environment.

operation, but with the

These devices are designed for asynchronous communication between data buses. They transmit 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. The output-enable (OE) input can be used to disable the devices so the buses are effectively isolated.

Active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

The B-port outputs, which are designed to source or sink up to 12 mA, include equivalent 22-Ω series resistors

to reduce overshoot and undershoot.

When V is between 0 and 1.5 V, the devices are in the high-impedance state during power up or power down.

However, to ensure the high-impedance state above 1.5 V, OE should be tied to V

through a pullup resistor;

the minimum value of the resistor is determined by the current-sinking 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.

UNLESS OTHERWISE NOTED this document contains PRODUCTION

DATA information current as of publication date. Products conform to

specifications per the terms of Texas Instruments standard warranty.

Production processing does not necessarily include testing of all

parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7

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与SN54LVTH2245FK相关器件

型号	品牌	获取价格	描述	数据表
SN54LVTH2245J	TI	获取价格	3.3-V ABT OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54LVTH2245W	TI	获取价格	3.3-V ABT OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN54LVTH240	TI	获取价格	3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54LVTH240_16	TI	获取价格	3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54LVTH240FK	TI	获取价格	3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54LVTH240J	TI	获取价格	3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54LVTH241	TI	获取价格	3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54LVTH241_06	TI	获取价格	3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54LVTH241FK	TI	获取价格	3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
SN54LVTH241J	TI	获取价格	3.3-V ABT OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS

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