Datasheet > 72241L15PFG8

72241L15PFG8

更新时间： 2024-11-13 00:48:07

品牌	Logo	应用领域
艾迪悌 - IDT		先进先出芯片
页数	文件大小	规格书
14页	291K
描述
CMOS SyncFIFO

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中文翻译

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数据手册

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72241L15PFG8 数据手册

CMOSSyncFIFO^™

64 x 9, 256 x 9, 512 x 9,

1,024 x 9, 2,048 x 9,

4,096 x 9 and 8,192 x 9

IDT72421,IDT72201

IDT72211,IDT72221

IDT72231,IDT72241

IDT72251

FEATURES:

DESCRIPTION:

•

64 x 9-bit organization (IDT72421)

The IDT72421/72201/72211/72221/72231/72241/72251 SyncFIFO™

256 x 9-bit organization (IDT72201)

512 x 9-bit organization (IDT72211)

1,024 x 9-bit organization (IDT72221)

2,048 x 9-bit organization (IDT72231)

4,096 x 9-bit organization (IDT72241)

8,192 x 9-bit organization (IDT72251)

10 ns read/write cycle time

Read and Write Clocks can be independent

Dual-Ported zero fall-through time architecture

Empty and Full Flags signal FIFO status

Programmable Almost-Empty and Almost-Full flags can be set

to any depth

are very high-speed, low-power First-In, First-Out (FIFO) memories with

clocked read and write controls. These devices have a 64, 256, 512, 1,024,

2,048,4,096,and8,192x9-bitmemoryarray,respectively. TheseFIFOsare

applicableforawidevarietyofdatabufferingneedssuchasgraphics,localarea

networksandinterprocessorcommunication.

TheseFIFOshave9-bitinputandoutputports.Theinputportiscontrolled

byafree-runningclock(WCLK),andtwowriteenablepins(WEN1,WEN2).

Data is written into the Synchronous FIFO on every rising clock edge when

thewriteenablepinsareasserted.Theoutputportiscontrolledbyanotherclock

pin (RCLK) and two read enable pins (REN1, REN2). The Read Clock can

betiedtotheWriteClockforsingleclockoperationorthetwoclockscanrun

asynchronousofoneanotherfordual-clockoperation.Anoutputenablepin

(OE) is provided on the read port for three-state control of the output.

TheSynchronousFIFOshavetwofixedflags,Empty(EF)andFull(FF).

Twoprogrammableflags, Almost-Empty(PAE)andAlmost-Full(PAF), are

provided for improved system control. The programmable flags default to

Empty+7andFull-7forPAEandPAF,respectively.Theprogrammableflag

offsetloadingiscontrolledbyasimplestatemachineandisinitiatedbyasserting

•

Programmable Almost-Empty and Almost-Full flags default to

Empty+7, and Full-7, respectively

•

Output enable puts output data bus in high-impedance state

Advanced submicron CMOS technology

Available in the 32-pin plastic leaded chip carrier (PLCC) and

32-pin Thin Quad Flat Pack (TQFP)

•

For through-hole product please see the IDT72420/72200/72210/ the load pin (LD).

72220/72230/72240 data sheet

TheseFIFOsarefabricatedusinghigh-speedsubmicronCMOStechnology.

•

Industrial temperature range (–40°C to +85°C) is available

Green parts available, see ordering information

FUNCTIONAL BLOCK DIAGRAM

D0 - D8

WCLK

WEN1

WEN2

OFFSET REGISTER

INPUT REGISTER

FLAG

LOGIC

WRITE CONTROL

LOGIC

PAE

PAF

RAM ARRAY

64 x 9, 256 x 9,

512 x 9, 1,024 x 9,

2,048 x 9, 4,096 x 9,

8,192 x 9

WRITE POINTER

READ POINTER

READ CONTROL

LOGIC

OUTPUT REGISTER

RESET LOGIC

RCLK

REN1

REN2

2655 drw01

Q0 - Q8

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AUGUST 2013

DSC-2655/6

12 3 4 5 6 7...14

中文翻译

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与72241L15PFG8相关器件

型号	品牌	获取价格	描述	数据表
72241L15PFGI	IDT	获取价格	FIFO, 4KX9, 10ns, Synchronous, CMOS, PQFP32, GREEN, TQFP-32
72241L15PFGI8	IDT	获取价格	CMOS SyncFIFO
72241L15PFI8	IDT	获取价格	TQFP-32, Reel
72241L25J	IDT	获取价格	PLCC-32, Tube
72241L25JG	IDT	获取价格	FIFO, 4KX9, 15ns, Synchronous, CMOS, PQCC32, GREEN, PLASTIC, LCC-32
72241L25JG8	IDT	获取价格	CMOS SyncFIFO
72241L25JGI	IDT	获取价格	FIFO, 4KX9, 15ns, Synchronous, CMOS, PQCC32, GREEN, PLASTIC, LCC-32
72241L25JGI8	IDT	获取价格	CMOS SyncFIFO
72241L25JI	IDT	获取价格	PLCC-32, Tube
72241L25JISCDS-W	IDT	获取价格	FIFO, 4KX9, 15ns, Synchronous, CMOS, PQCC32

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