Datasheet > PI74AVC16821AX

PI74AVC16821AX

更新时间： 2024-11-22 10:33:51

品牌	Logo	应用领域
百利通 - PERICOM		光电二极管
页数	文件大小	规格书
5页	311K
描述
Bus Driver, AVC Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.240 INCH, PLASTIC, TSSOP-48

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PI74AVC16821AX 数据手册

ADVANCE INFORMATION

PI74AVC16821

PI74AVCH16821

20-Bit Bus Interface Flip-Flop

with 3-State Outputs

Product Features

Description

Pericom Semiconductors PI74AVC series of logic circuits are

produced using the Companys advanced 0.35 micron CMOS

technology, achieving industry leading speed.

• Designed for low voltage operation, V_CC= 1.65V to 3.6V

• Sub 2.0ns delays at 2.5V and 3.3V

• Dynamic Impedance Control on outputs, current

drive > ±24mA at 2.5V_CC

This 20-bit bus interface flip-flop can be used as two 10-bit flip-

flops or one 20-bit flip-flops. The 20 flip-flops are edge-triggered

D-type flip-flops. On the positive transition of the clock (CLK)

input, the device provides true data at the Q outputs.

• Patented noise reduction circuit

• I/O Tolerant to 3.6V, Inputs and Outputs for

mixed voltage systems

A buffered output-enable (OE) input can be used to place the ten

outputsineitheranormallogicstate(HIGHorLOWlevel)orahigh-

impedance state. In the high-impedance state, the outputs neither

loadnordrivethebuslinessignificantly.Thehigh-impedancestate

and increased drive provide the capacity to drive bus lines without

the need for interface or pullup components.

• Supports live insertion

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

• Available Packages:

48-pin 240 mil wide plastic TSSOP (A48)

48-pin 173 mil wide plastic TVSOP (K48)

OE does not affect the internal operation of the flip-flops. Old data

can be retained or new data can be entered while the outputs are in

the high-impedance state.

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

down, OE should be tied to V^CCthrough a pullup resistor; the

minimum value of the resistor is determined by the current sinking

capability of the driver.

ThePI74AVCH16821hasBusHoldwhichretainsthe data inputs

laststatewheneverthedatainputgoestohighimpedancepreventing

floatinginputsandeliminatingtheneedforpullup/downresistors.

LogicBlockDiagram

1OE

2OE

1CLK

2CLK

One of Ten

Channels

One of Ten

Channels

2Q1

TO 9 OTHER CHANNELS

PSXXXX

02/01/99

12 3 4 5

中文翻译

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与PI74AVC16821AX相关器件

型号	品牌	获取价格	描述	数据表
PI74AVC16821K	PERICOM	获取价格	Bus Driver, AVC Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.173 INCH, PLASTIC, TV
PI74AVC16821KX	PERICOM	获取价格	Bus Driver, AVC Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.173 INCH, PLASTIC, TV
PI74AVC16827AX	PERICOM	获取价格	Bus Driver, AVC Series, 2-Func, 10-Bit, True Output, CMOS, PDSO48, 0.240 INCH, PLASTIC, TS
PI74AVC16834	PERICOM	获取价格	18-Bit Universal Bus Driver with 3-State Outputs
PI74AVC16834A	ETC	获取价格	18-Bit Buffer/Driver
PI74AVC16834AE	PERICOM	获取价格	Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.240 INCH, GREEN, PLAS
PI74AVC16834AEX	PERICOM	获取价格	Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.240 INCH, GREEN, PLAS
PI74AVC16834AX	PERICOM	获取价格	暂无描述
PI74AVC16834K	ETC	获取价格	18-Bit Buffer/Driver
PI74AVC16834KE	PERICOM	获取价格	Bus Driver, AVC Series, 1-Func, 18-Bit, True Output, CMOS, PDSO56, 0.173 INCH, GREEN, PLAS

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