PI74FCT3245

更新时间： 2024-11-15 22:44:27

品牌	Logo	应用领域
百利通 - PERICOM		/
页数	文件大小	规格书
4页	48K
描述
Fast CMOS 3.3V 8-Bit Bidirectional Transceiver

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PI74FCT3245 数据手册

PI74FCT3245

Fast CMOS 3.3V 8-Bit

Bidirectional Transceiver

Product Features

Product Description

Pericom Semiconductor’s PI74FCT3 series of logic circuits are

produced in the Company’s advanced 0.6 micron CMOS

technology, achieving industry leading speed grades.

• Advanced Low Power CMOS Operation

• Compatible with LVC class of products

• Compatible with industry standard

octal pinouts

• Excellent output drive capability:

Balanced Drives (24 mA sink and source)

• Can serve as a 5V to 3V translator

• Inputs can be driven by 3.3V or 5V devices

• Low ground bounce outputs

The PI74FCT3245 is an 8-bit bidirectional transceiver designed

for asynchronous two-way communication between data buses.

The transmit/receive input pin (T/R) determines the direction of

data flow through the bidirectional transceiver. Transmit (active

HIGH) enables data from A ports to B ports, and receive (active

LOW)fromBportstoAports. Theoutputenable(OE)input, when

HIGH, disables both A and B ports by placing them in HIGH Z

condition.

• Hysteresis on all inputs

• Industrial operating temperature range:

-40 C to +85 C

The PI74FCT3245 can be driven from either 3.3V or 5.0V devices

allowing this device to be used as a translator in a mixed

3.3V/5.0V system.

• Packages available:

-20-pin173milwideplasticTSSOP(L)

-20-pin150milwideplasticQSOP(Q)

-20-pin150milwideplasticTQSOP(R)

-20-pin300milwideplasticSOIC(S)

ProductPinConfiguration

Product Pin Description

Logic Block Diagram

Pin Name

Description

20 VCC

19 OE

18 B0

17 B1

16 B2

15 B3

14 B4

13 B5

12 B6

11 B7

T/R

3-State Output Enable

Inputs (Active LOW)

20-PIN

L20

Q20

R20

S20

T/R

Direction Control Input

1A5

A7-A0

Side A Inputs or

3-State Outputs

B7-B0

Side B Inputs or

3-State Outputs

GND

Ground

Power

GND 10

VCC

Truth Table

Inputs⁽¹⁾

T/R

Outputs⁽¹⁾

Bus B Data to Bus A

Bus A Data to Bus B

High StateZ

Note:

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

L = Low Voltage Level, Z = High Impedance

PS7068C 8/22/97

12 3 4

中文翻译

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与PI74FCT3245相关器件

型号	品牌	获取价格	描述	数据表
PI74FCT3245AL	PERICOM	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.173 INCH, PLASTIC
PI74FCT3245ALEX	PERICOM	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.173 INCH, PLASTIC
PI74FCT3245ALX	PERICOM	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.173 INCH, PLASTIC
PI74FCT3245AQ	PERICOM	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, PLASTIC
PI74FCT3245AQEX	PERICOM	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, PLASTIC
PI74FCT3245AQX	PERICOM	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, PLASTIC
PI74FCT3245AR	ETC	获取价格	Single 8-bit Bus Transceiver
PI74FCT3245ARX	PERICOM	获取价格	Bus Transceiver, FCT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, PLASTIC
PI74FCT3245AS	ETC	获取价格	Single 8-bit Bus Transceiver
PI74FCT3245ASEX	PERICOM	获取价格	暂无描述

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