Datasheet > PI74ALVTC16821

PI74ALVTC16821

更新时间： 2024-10-27 23:27:39

品牌	Logo	应用领域
其他 - ETC		触发器
页数	文件大小	规格书
9页	141K
描述
Logic \| 20-Bit Bus Interface Flip-Flop

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PI74ALVTC16821 数据手册

PI74ALVTC16821

2.5V 20-Bit Bus Interface

Flip-Flop with 3-State Outputs

Product Features

Description

PI74ALVTC16821isdesignedforlowvoltageoperation,

Pericom Semiconductors PI74ALVTC series of logic circuits are

produced using the Companys advanced 0.35 micron CMOS

technology, achieving industry leading speed.

=1.65Vto3.6V

Supports Live Insertion

3.6V I/O Tolerant Inputs and Outputs

Bus Hold

ThePI74ALVTC16821isa20-bit businterfaceflip-flopdesignedfor

1.65V to3.6V V^CCoperation. Itcanbeusedastwo10-bitflip-flops

or one 20-bit flip-flop. 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.

HighDrive,32/64mA@3.3V

Uses patented noise reduction circuitry

Power-off high impedance inputs and outputs

Industrial operation at 40°C to +85°C

Packagesavailable:

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.

56-pin240-milwideplasticTSSOP(A56)

56-pin173-milwideplasticTVSOP(K56)

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.

The family offers both I/O Tolerant, which allows it to operate in

mixed 1.65/3.6V systems, and Bus Hold, which retains the data

inputs last state preventing floating inputs and eliminating the

need for pullup/down resistors.

Logic Block Diagram

1OE

2OE

1CLK

2CLK

One of Ten

Channels

One of Ten

Channels

1D1

2D1

2Q1

TO 9 OTHER CHANNELS

PS8618

06/05/02

12 3 4 5 6 7...9

中文翻译

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与PI74ALVTC16821相关器件

型号	品牌	获取价格	描述	数据表
PI74ALVTC16821AEX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16821AX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, T
PI74ALVTC16821K	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 10-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, T
PI74ALVTC16823	ETC	获取价格	Logic \| 18-Bit Bus Interface flip-flop
PI74ALVTC16823A	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 9-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, TS
PI74ALVTC16823AEX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 9-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, TS
PI74ALVTC16823AX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 9-Bit, True Output, CMOS, PDSO56, 0.240 INCH, PLASTIC, TS
PI74ALVTC16823K	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 9-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, TV
PI74ALVTC16823KX	PERICOM	获取价格	Bus Driver, ALVT Series, 2-Func, 9-Bit, True Output, CMOS, PDSO56, 0.173 INCH, PLASTIC, TV
PI74ALVTC16827	ETC	获取价格	Logic \| 20-Bit Buffer/Driver

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