SN74ABT245

更新时间： 2024-11-23 23:06:11

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	109K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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数据手册

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SN74ABT245 数据手册

SN54ABT245A, SN74ABT245B

OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS081H – JANUARY 1991 – REVISED MAY 1997

SN54ABT245A . . . J OR W PACKAGE

SN74ABT245B . . . DB, DGV, DW, N, OR PW PACKAGE

(TOP VIEW)

State-of-the-Art EPIC-ΙΙB BiCMOS Design

Significantly Reduces Power Dissipation

ESD Protection Exceeds 2000 V Per

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

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

DIR

Latch-Up Performance Exceeds 500 mA Per

JEDEC Standard JESD-17

Typical V

(Output Ground Bounce) < 1 V

OLP

at V

= 5 V, T = 25°C

High-Impedance State During Power Up

and Power Down

High-Drive Outputs (–32-mA I , 64-mA I

)

GND

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

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

Thin Very Small-Outline (DGV) Packages,

Ceramic Chip Carriers (FK), Ceramic Flat

(W) Package, and Plastic (N) and

Ceramic (J) DIPs

SN54ABT245B . . . FK PACKAGE

(TOP VIEW)

1 20 19

description

These octal bus transceivers are designed for

asynchronous communication between data

buses. The devices 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 device so

the buses are effectively isolated.

9 10 11 12 13

When V

is between 0 and 2.1 V, the device is in the high-impedance state during power up or power down.

However, to ensure the high-impedance state above 2.1 V, OE should be tied to V

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

through a pullup resistor;

The SN54ABT245A is characterized for operation over the full military temperature range of –55°C to 125°C.

The SN74ABT245B is characterized for operation from –40°C to 85°C.

FUNCTION TABLE

INPUTS

OPERATION

DIR

B data to A bus

A data to B bus

Isolation

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.

EPIC-ΙΙB is a trademark of Texas Instruments Incorporated.

PRODUCTION DATA information is 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SN74ABT245相关器件

型号	品牌	获取价格	描述	数据表
SN74ABT245ADBLE	TI	获取价格	Octal Bus Transceivers With 3-State Outputs 20-SSOP -40 to 85
SN74ABT245AN	TI	获取价格	Octal Bus Transceivers With 3-State Outputs 20-PDIP -40 to 85
SN74ABT245B	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT245BDB	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT245BDBLE	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3 STATE OUTPUTS
SN74ABT245BDBR	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3 STATE OUTPUTS
SN74ABT245BDBRG4	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3 STATE OUTPUTS
SN74ABT245BDGV	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT245BDGVR	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3 STATE OUTPUTS
SN74ABT245BDGVRE4	TI	获取价格	OCTAL BUS TRANSCEIVERS WITH 3 STATE OUTPUTS

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