Datasheet > 72841L10PF

72841L10PF

更新时间： 2022-12-01 20:35:03

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
16页	339K
描述
TQFP-64, Tray

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数据手册

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72841L10PF 数据手册

IDT72801/728211/72821/72831/72841/72851 DUAL CMOS SyncFIFO^TM

DUAL 256 x 9, DUAL 512 x 9, DUAL 1K x 9, DUAL 2K x 9, DUAL 4K x 9, DUAL 8K x 9

COMMERCIAL AND INDUSTRIAL

TEMPERATURERANGES

accordingtotype,sendingonekindtoFIFOAandtheotherkindtoFIFOB.Then,

at theoutputs,eachdatatypeistransferredtoitsappropriatedestination.Additional

IDT72801/72811/72821/72831/72841/72851s permit more than two priority

levels.Prioritybufferingisparticularlyusefulinnetworkapplications.

TWO PRIORITY DATA BUFFER

CONFIGURATION

The two FIFOs contained in the IDT72801/72811/72821/72831/72841/

72851canbeusedtoprioritizetwodifferenttypesofdatasharedonasystembus.

When writing from the bus to the FIFO, control logic sorts the intermixed data

Image Processing

RAM ARRAY A

Card

Clock

RCLKA

WCLKA

OEA

Address

Control

WENA1

RENA

DA0-DA8

A0-QA8

Data

I/O Data

RENA2

WENA2

VCC

Processor

Clock

IDT

72801

72811

72821

72831

72841

72851

Address

Control

Voice Processing

Card

Data

RAM ARRAY B

Clock

RCLKB

WCLKB

WENB1

OEB2

Address

Control

RAM

RENB1

I/O Data

B0-DB8

Data

B0-QB8

RENB2

WENB2

3034 drw 17

VCC

Figure 16. Block Diagram of Two Priority Configuration

processor can write data to a peripheral controller via FIFO A, and, in turn,

the peripheral controller can write the processor via FIFO B.

BIDIRECTIONAL CONFIGURATION

The two FIFOs of the IDT72801/72811/72821/72831/72841/72851 can

be used to buffer data flow in two directions. In the example that follows, a

RAM ARRAY A

RENA2

WENA2

RCLKA

WCLKA

OEA

WENA1

RENA1

Peripheral

Controller

DA0-DA8

QA0-QA8

Processor

Clock

IDT

DMA Clock

72801

72811

72821

72831

72841

72851

Address

Control

Address

Control

I/O Data

Data

RAM ARRAY B

RCLKB

WENB1

RENB1

RAM

WCLKB

OEB

QB0-QB8

3034 drw 18

DB0-DB8

RENB2

WENB2

Figure 17. Block Diagram of Bidirectional Configuration

MARCH 2013

1...12 13 141516

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