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PI74AVC16268

更新时间： 2024-10-28 06:03:11

品牌	Logo	应用领域
百利通 - PERICOM		/
页数	文件大小	规格书
11页	545K
描述
12-Bit to 24-Bit Registered Bus Exchanger with 3-State Outputs

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PI74AVC16268 数据手册

PI74AVC+16268

12-Bit to 24-Bit Registered Bus

Exchanger with 3-State Outputs

ProductDescription

Product Features

Pericom Semiconductors PI74AVC+ series of logic circuits are

produced using the Companys advanced submicron CMOS

technology, achieving industry leading speed.

PI74AVC+16268 is designed for low-voltage operation,

= 1.65V to 3.6V

True ±24mA Balanced Drive @ 3.3V

I supports partial power-down operation

The PI74AVC+16268, a 12-bit to 24-bit registered bus exchanger

OFF

designedfor1.65Vto3.6VV operation, isusedforapplications

3.6 I/O Tolerant Inputs and Outputs

in which data must be transferred from a narrow high-speed bus to

awide,lowerfrequencybus.Itprovidessynchronousdataexchange

betweenthetwoports.Dataisstoredininternalregistersonthelow-

to-hightransitionof theclock(CLK)inputwhenappropriateclock-

enable(CLKEN)inputsarelow.Theselect(SEL)lineissynchronous

with CLK and selects 1B or 2B input data for the A outputs.

All outputs contain a patented DDC

(Dynamic DriveControl) circuit that reduces noise without

degrading propagation delay.

Industrial operation: 40°C to +85°C

Available Packages:

For data transfer in the A-to-B direction, a two-stage pipeline is

provided in the A-to-1B path, with a single storage register in the

A-to-2B path. Proper control of these inputs allows two sequential

12-bit words to be presented synchronously as a 24-bit word on the

B-port. Data flow is controlled by the active-low output enables

(OEA,OEB).Thesecontrolterminalsareregisteredsobusdirection

changes are synchronous with CLK.

56-pin 240 mil wide plastic TSSOP (A)

56-pin 173 mil wide plastic TVSOP (K)

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

down, a clock pulse should be applied as soon as possible and OE

shouldbetiedtoV through a pullup resistor, the minimumvalue

oftheresistorisdeterminedbythecurrent-sinkingcapabilityofthe

driver. Because OE is being routed through a register, the active

state of the outputs cannot be determined prior to the arrival of the

first clock pulse.

LogicBlockDiagram

CLK

CLKEN1B

CLKEN2B

CLKENA1

CLKENA2

OEB

SEL

OEA

1B1

2B1

1 of 12 Channels

PS8551

07/31/01

12 3 4 5 6 7...11

中文翻译

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与PI74AVC16268相关器件

型号	品牌	获取价格	描述	数据表
PI74AVC16268A	PERICOM	获取价格	12-Bit to 24-Bit Registered Bus Exchanger with 3-State Outputs
PI74AVC16268AE	PERICOM	获取价格	暂无描述
PI74AVC16268AEX	PERICOM	获取价格	Bus Exchanger, AVC Series, 1-Func, 12-Bit, True Output, CMOS, PDSO56, 0.24 INCH, GREEN, PL
PI74AVC16268AX	PERICOM	获取价格	Bus Exchanger, AVC Series, 1-Func, 12-Bit, True Output, CMOS, PDSO56, 0.24 INCH, PLASTIC,
PI74AVC16288K	PERICOM	获取价格	12-Bit to 24-Bit Registered Bus Exchanger with 3-State Outputs
PI74AVC16345	PERICOM	获取价格	2.5V, Registered 1-Bit to 4-Bit Address Driver w/3-State Outputs
PI74AVC16373AX	PERICOM	获取价格	Bus Driver, AVC Series, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.240 INCH, PLASTIC, TSS
PI74AVC16373KX	PERICOM	获取价格	Bus Driver, AVC Series, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.173 INCH, PLASTIC, TVS
PI74AVC16374K	PERICOM	获取价格	Bus Driver, AVC Series, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.173 INCH, PLASTIC, TVS
PI74AVC16374KX	PERICOM	获取价格	Bus Driver, AVC Series, 2-Func, 8-Bit, True Output, CMOS, PDSO48, 0.173 INCH, PLASTIC, TVS

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