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SN74BCT25245

更新时间： 2024-11-13 22:35:35

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
5页	93K
描述
25ohm OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74BCT25245 数据手册

SN54BCT25245, SN74BCT25245

25-Ω OCTAL BUS TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS053B – MAY 1990 – REVISED APRIL 1994

SN54BCT25245 . . . JT OR W PACKAGE

SN74BCT25245 . . . DW OR NT PACKAGE

(TOP VIEW)

• State-of-the-Art BiCMOS Design

Significantly Reduces I

CCZ

• ESD Protection Exceeds 2000 V Per

MIL-STD-883C, Method 3015; Exceeds

200 V Using Machine Model (C = 200 pF,

R = 0)

GND

DIR

• Designed to Facilitate Incident-Wave

Switching for Line Impedances of 25 Ω

or Greater

GND

• Distributed V

and GND Pins Minimize

Noise Generated by the Simultaneous

Switching of Outputs

A7 10

15 B7

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

Chip Carriers (FK) and Flatpacks (W), and

Standard Plastic and Ceramic 300-mil DIPs

(JT, NT)

GND

SN54BCT25245 . . . FK PACKAGE

(TOP VIEW)

description

The ′BCT25245 is a 25-Ω octal bus transceiver

designed for asynchronous communication

between data buses. It improves both the

performance and density of 3-state memory

address drivers, clock drivers, and bus-oriented

transceivers.

3 2 1 28 27 26

25 OE

24 A8

GND

DIR

The device allows data transmission from the A

bus to the B bus or from the B bus to the A bus

depending upon the logic level at the

direction-control (DIR) input. The output-enable

(OE) input can disable the device so that both

buses are effectively isolated.

12 13 14 15 16 17 18

NC – No internal connection

Thesetransceiversarecapableofsinking188-mA

, which facilitates switching 25-Ω transmission

lines on the incident wave. The distributed V

and GND pins minimize switching noise for more

reliable system operation.

The SN54BCT25245 is characterized for opera-

tion over the full military temperature range of

–55°C to 125°C. The SN74BCT25245 is

characterized for operation from 0°C to 70°C.

FUNCTION TABLE

INPUTS

OPERATION

DIR

B data to A bus

A data to B bus

Isolation

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.

2–1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5

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与SN74BCT25245相关器件

型号	品牌	获取价格	描述	数据表
SN74BCT25245DW	TI	获取价格	25ohm OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74BCT25245NSR	TI	获取价格	BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24, SOP-24
SN74BCT25245NSRG4	TI	获取价格	BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO24, SOP-24
SN74BCT25245NT	TI	获取价格	25ohm OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74BCT25245NTE4	TI	获取价格	BCT/FBT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP24, 0.300 INCH, PLASTIC, DIP-24
SN74BCT25642	TI	获取价格	25-ヘ OCTAL BUS TRANSCEIVER
SN74BCT25642DW	TI	获取价格	25-ヘ OCTAL BUS TRANSCEIVER
SN74BCT25642DWE4	TI	获取价格	25-ヘ OCTAL BUS TRANSCEIVER
SN74BCT25642DWG4	TI	获取价格	25-ヘ OCTAL BUS TRANSCEIVER
SN74BCT25642DWR	TI	获取价格	25-ヘ OCTAL BUS TRANSCEIVER

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