Datasheet > PI74ALVCHT16245A

PI74ALVCHT16245A

更新时间： 2024-10-26 23:27:39

品牌	Logo	应用领域
其他 - ETC		总线收发器逻辑集成电路光电二极管
页数	文件大小	规格书
4页	249K
描述
Dual 8-bit Bus Transceiver

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中文翻译

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数据手册

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PI74ALVCHT16245A 数据手册

PI74ALVCHT16245

3.3V 16-Bit Bidirectional Transceiver

with 3-State Output

ProductDescription

ProductFeatures

Pericom Semiconductors PI74ALVCH series of logic circuits are

producedintheCompanysadvanced0.5micronCMOStechnology,

achieving industry leading speed grades.

• PI74ALVCHT16245isdesignedforlowvoltageoperation

• V =2.3Vto3.6V

• 5VI/OTolerant

ThePI74ALVCHT16245isa16-bitbidirectionaltransceiverdesigned

for asynchronous two-way communication between data buses.

The direction control input pin (xDIR) determines the direction of

data flow through the bidirectional transceiver. The Direction and

OutputEnablecontrolsaredesignedtooperatethisdeviceaseither

two independent 8-bit transceivers or one 16-bit transceiver. The

output enable (OE) input, when HIGH, disables both A and B ports

by placing them in HIGH Z condition.

• Hysteresis on all inputs

• Typical VOLP (Output Ground Bounce)

<0.8VatV =3.3V,T =25°C

• TypicalVOHV (OutputVOH Undershoot)

<2.0VatV =3.3V,T =25°C

• Bus Hold retains last active bus state during 3-state

eliminating the need for external pull-up resistors

To ensure the high-impedance state during power up or power

down, OE should be tied to Vcc through a pull-up resistor; the

minimum value of the resistor is determined by the current sinking

ability of the driver.

• Industrial operation at -40°C to +85°C

• Packagesavailable:

48-pin240-milwideplasticTSSOP(A)

48-pin300-milwideplasticSSOP(V)

The PI74ALVCHT16245 has Bus Hold which retains the data

inputs last state whenever the data input goes to high-impedance

preventing floating inputs and eliminating the need for pullup/

down resistors.

ThePI74ALVCHT16245canbedrivenfromeither3.3Vor 5.0Vdevices

allowing this device to be used as a translator in a mixed 3.3/5.0V

system.

LogicBlockDiagram

1DIR

2DIR

1OE

2OE

1A0

1A1

1A2

1A3

1A4

1A5

1A6

1A7

2A0

2B0

2A1

2B1

2A2

2B2

2A3

2B3

2A4

2B4

2A5

2B5

2A6

2B6

2A7

2B7

1B0

1B1

1B2

1B3

1B4

1B5

1B6

1B7

PS8308 07/30/98

12 3 4

中文翻译

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与PI74ALVCHT16245A相关器件

型号	品牌	获取价格	描述	数据表
PI74ALVCHT16245AX	PERICOM	获取价格	Bus Transceiver, ALVC/VCX/A Series, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.240 INCH,
PI74ALVCHT16245V	ETC	获取价格	Dual 8-bit Bus Transceiver
PI74ALVCHT16501A	DIODES	获取价格	Bus Driver/Transceiver,
PI74ALVCHT16501V	DIODES	获取价格	Bus Driver/Transceiver,
PI74ALVCHT16835	ETC	获取价格	Logic \| 18-Bit Universal Bus Driver w/I/O Tol. & Bus Hold
PI74ALVCHT16835AEX	PERICOM	获取价格	Bus Driver, ALVC/VCX/A Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLAS
PI74ALVCHT16835K	PERICOM	获取价格	Bus Driver, ALVC/VCX/A Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLAS
PI74ALVCHT16835KE	PERICOM	获取价格	Bus Driver, ALVC/VCX/A Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLAS
PI74ALVCHT16835KX	PERICOM	获取价格	Bus Driver, ALVC/VCX/A Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLAS
PI74ALVCHT16835VE	PERICOM	获取价格	Bus Driver, ALVC/VCX/A Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.300 INCH, PLAS

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