PI74FCT245ATHEX

更新时间： 2024-01-02 15:11:28

品牌	Logo	应用领域
百利通 - PERICOM		/
页数	文件大小	规格书
4页	250K
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中文翻译

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数据手册

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PI74FCT245ATHEX 数据手册

PI74FCT245T/640T/645T

PI74FCT2245T/2640T/2645T

(25Ω Series)

Fast CMOS Octal

Bidirectional Transceivers

ProductFeatures

ProductDescription

PI74FCT245/640/645TandPI74FCT2245/2640T/2645Tarepin

compatible with bipolar FAST Series at a higher speed and

lower power consumption

25 Ohm series resistor on all outputs (FCT2XXX only)

TTL input and output levels

Pericom Semiconductors PI74FCT series of logic circuits are

produced using the Companys advanced 0.6/0.8 micron CMOS

technology, achieving industry leading speed grades. All

PI74FCT2XXXdeviceshaveabuilt-in25Ohmseriesresistoronall

outputs to reduce noise because of reflections, thus eliminating the

need for an external terminating resistor.

Low ground bounce outputs

Extremelylowstaticpower

Hysteresis on all inputs

Industrial operating temperature range: 40°C to +85°C

Packagesavailable:

20-pin173milwideplasticTSSOP(L)

20-pin300milwideplasticDIP(P)

20-pin150milwideplasticQSOP(Q)

20-pin150milwideplasticTQSOP(R)

20-pin300milwideplasticSOIC(S)

20-pin209milwideplasticSSOP(H)

Device models available on request

ThePI74FCT245T/640T/645TandPI74FCT2245T/2640T/2645Tare

8-bit wide octal buffer bidirectional transceivers designed for

asynchronous two-way communication between data buses. The

transmit/receive (T/R) input determines the direction of data flow

throughthebidirectionaltransceiver.Transmit(activeHIGH)enables

datafromAportstoBports, andreceive(activeLOW)fromBports

toAports.Theoutputenable(OE)input,whenHIGH,disablesboth

A and B ports by placing them in HIGH Z condition.

ProductPinConfiguration

T/R

20 Vcc

19 OE

LogicBlockDiagram

20-Pin

L,P,Q

R,S,H

T/R

GND

ProductPinDescription

PinName

Description

3-State Output Enable Inputs (Active LOW)

Transmit/ReceiveInput

Side A Inputs or 3-State Outputs

Side B Inputs or 3-State Outputs

Ground

T/R

A0-A7

B0-B7

GND

Power

(1)

TruthTable

Inputs

T/R

Outputs

(2)

Bus B Data to Bus A

(2)

Bus A Data to Bus B

High Z State

1. H = High Voltage Level, X = Don't Care, L = Low

Voltage Level, Z = High Impedance

2. 640 is inverting from input to output.

FCT245, 2245, 645, 2645 are non-inverting options.

FCT640 & FCT2640 are inverting options.

PS2012B

09/22/99

12 3 4

中文翻译

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与PI74FCT245ATHEX相关器件

型号	品牌	获取价格	描述	数据表
PI74FCT245ATL	ETC	获取价格	Single 8-bit Bus Transceiver
PI74FCT245ATLE	DIODES	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.173 INCH, GREEN,
PI74FCT245ATLEX	PERICOM	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.173 INCH, GREEN,
PI74FCT245ATP	ETC	获取价格	Single 8-bit Bus Transceiver
PI74FCT245ATQ	ETC	获取价格	Single 8-bit Bus Transceiver
PI74FCT245ATQE	DIODES	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, GREEN,
PI74FCT245ATQX	DIODES	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, PLASTIC
PI74FCT245ATR	ETC	获取价格	Single 8-bit Bus Transceiver
PI74FCT245ATRX	DIODES	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, PLASTIC
PI74FCT245ATS	ETC	获取价格	Single 8-bit Bus Transceiver

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