Datasheet > PI74FCT162543ATA

PI74FCT162543ATA

更新时间： 2024-09-22 23:27:39

品牌	Logo	应用领域
其他 - ETC		总线收发器
页数	文件大小	规格书
7页	78K
描述
Dual 8-bit Bus Transceiver

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PI74FCT162543ATA 数据手册

PI74FCT16543T

PI74FCT162543T

PI74FCT162H543T

Fast CMOS 16-Bit

Latched Transceivers

ProductFeatures:

Product Description:

Pericom Semiconductor’s PI74FCT series of logic circuits are pro-

duced in the Company’s advanced 0.6 micron CMOS technology,

achieving industry leading speed grades.

CommonFeatures:

• PI74FCT16543T,PI74FCT162543TandPI74FCT162H543T

are high-speed,

low power devices with high current drive.

ThePI74FCT16543T,PI74FCT162543TandPI74FCT162H543Tare16-

bit latched transceivers organized with two sets of eight

D-type latches with separate input and output controls for each set.

For data flow from A to B, for example, the A-to-B Enable

(xCEAB) input must be LOW in order to enter data from xAx or to

take data from xBx, as indicated in the Truth Table. With xCEAB

LOW, a LOW signal makes the A-to-B latches transparent; a

subsequentLOW-to-HIGHtransitionofthexLEABsignalputsthe

Alatchesinthestoragemodeandtheiroutputsnolongerchangethe

Ainputs.WithxCEABandxOEABbothLOW,the3-stateBoutput

buffers are active and reflect the data present at the output of the A

latches. Control of data from B to A is similar, but uses the xCEBA,

xLEBA, and xOEBA inputs.

• V^CC=5V±10%

• Hysteresis on all inputs

• Packagesavailable:

–56-pin240milwideplasticTSSOP(A)

–56-pin300milwideplasticSSOP(V)

PI74FCT16543TFeatures:

• High output drive: I^OH= –32 mA; IOL = 64 mA

• Power off disable outputs permit “live insertion”

• Typical V^OLP(Output Ground Bounce) < 1.0V

atVCC =5V,TA =25°C

PI74FCT162543TFeatures:

ThePI74FCT16543ToutputbuffersaredesignedwithaPower-Off

disable allowing “live insertion”of boards when used as backplane

drivers.

• Balanced output drivers: ±24 mA

• Reduced system switching noise

The PI74FCT162543T has ±24 mA balanced output drivers. It is

designed with current limiting resistors at its outputs to control the

output edge rate resulting in lower ground bounce and undershoot.

This eliminates the need for external terminating resistors for most

interface applications.

• Typical V^OLP(Output Ground Bounce) < 0.6V

atV^CC=5V,TA =25°C

PI74FCT162H543TFeatures:

• Bus Hold retains last active state during 3-state

• Eliminates the need for external pull-up resistors

The PI74FCT162H543T has “Bus Hold” which retains the input’s

last state whenever the input goes to high-impedance preventing

“floating” inputs and eliminating the need for pull-up/down

resistors.

Logic Block Diagram

1OEBA

2OEBA

1CEBA

2CEBA

1LEBA

2LEBA

1OEAB

2OEAB

1CEAB

2CEAB

LEAB

2LEAB

2B0

2A0

TO 7 OTHER CHANNELS

PS2038B

01/10/01

12 3 4 5 6 7

中文翻译

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与PI74FCT162543ATA相关器件

型号	品牌	获取价格	描述	数据表
PI74FCT162543ATSP	ETC	获取价格	Dual 8-bit Bus Transceiver
PI74FCT162543ATV	ETC	获取价格	Dual 8-bit Bus Transceiver
PI74FCT162543ATVX	PERICOM	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.300 IN
PI74FCT162543CTA	ETC	获取价格	Dual 8-bit Bus Transceiver
PI74FCT162543CTAX	PERICOM	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.240 IN
PI74FCT162543CTSP	ETC	获取价格	Dual 8-bit Bus Transceiver
PI74FCT162543CTV	PERICOM	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.300 IN
PI74FCT162543CTVX	PERICOM	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.300 IN
PI74FCT162543DTA	PERICOM	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.240 IN
PI74FCT162543DTAX	PERICOM	获取价格	Registered Bus Transceiver, FCT Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.240 IN

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