Datasheet > LS245

LS245

更新时间： 2024-10-18 23:15:15

品牌	Logo	应用领域
安森美 - ONSEMI		总线收发器
页数	文件大小	规格书
4页	60K
描述
Octal Bus Transceiver

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数据手册

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LS245 数据手册

SN74LS245

Octal Bus Transceiver

The SN74LS245 is an Octal Bus Transmitter/Receiver designed for

8-line asynchronous 2-way data communication between data buses.

Direction Input (DR) controls transmission of Data from bus A to bus

B or bus B to bus A depending upon its logic level. The Enable input

(E) can be used to isolate the buses.

http://onsemi.com

• Hysteresis Inputs to Improve Noise Immunity

• 2-Way Asynchronous Data Bus Communication

• Input Diodes Limit High-Speed Termination Effects

• ESD > 3500 Volts

LOW

POWER

SCHOTTKY

LOGIC AND CONNECTION DIAGRAMS DIP (TOP VIEW)

MARKING

DIAGRAMS

B1 B2 B3 B4 B5 B6 B7 B8

20 19 18 17 16 15 14 13 12

SN74LS245N

AWLYYWW

PDIP–20

N SUFFIX

CASE 738

DIR A1 A2 A3 A4 A5 A6 A7 A8 GND

TRUTH TABLE

LS245

AWLYYWW

INPUTS

OUTPUT

DIR

Bus B Data to Bus A

Bus A Data to Bus B

Isolation

SOIC–20

DW SUFFIX

CASE 751D

H = HIGH Voltage Level

L = LOW Voltage Level

X = Immaterial

= Assembly Location

WL = Wafer Lot

YY = Year

GUARANTEED OPERATING RANGES

Symbol

Parameter

Supply Voltage

Min

4.75

Typ

5.0

Max

5.25

Unit

WW = Work Week

Operating Ambient

Temperature Range

°C

ORDERING INFORMATION

Device

Package

PDIP–20

SOIC–20

Shipping

Output Current – High

–3.0

–15

SN74LS245N

1440 Units/Box

2500/Tape & Reel

Output Current – Low

SN74LS245DW

Semiconductor Components Industries, LLC, 2000

Publication Order Number:

August, 2000 – Rev. 7

SN74LS245/D

12 3 4

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