Datasheet > IDT72851L10TFG8

IDT72851L10TFG8

更新时间： 2024-11-23 19:12:59

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
16页	211K
描述
FIFO, 8KX9, 6.5ns, Synchronous, CMOS, PQFP64, SLIM, TQFP-64

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技术参数
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IDT72851L10TFG8 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	LFQFP,	针数：	64
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.32.00.71	风险等级：	5.84
Base Number Matches：	1

IDT72851L10TFG8 数据手册

IDT72801

IDT72811

IDT72821

IDT72831

IDT72841

IDT72851

DUAL CMOS SyncFIFO™

DUAL 256 x 9, DUAL 512 x 9,

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

DUAL 4,096 x 9, DUAL 8,192 x 9

Eachofthe twoFIFOs (designatedFIFOAandFIFOB)containedinthe

IDT72801/72811/72821/72831/72841/72851hasa9-bitinputdataport(DA0

-DA8,DB0-DB8)anda9-bitoutputdataport(QA0-QA8,QB0-QB8).Each

inputportiscontrolledbyafree-runningclock(WCLKA,WCLKB),andtwoWrite

Enablepins(WENA1,WENA2,WENB1,WENB2). Dataiswrittenintoeachof

thetwoarraysoneveryrisingclockedgeoftheWriteClock(WCLKA,WCLKB)

whenthe appropriate write enable pins are asserted.

FEATURES:

•

The IDT72801 is equivalent to two IDT72201 256 x 9 FIFOs

The IDT72811 is equivalent to two IDT72211 512 x 9 FIFOs

The IDT72821 is equivalent to two IDT72221 1,024 x 9 FIFOs

The IDT72831 is equivalent to two IDT72231 2,048 x 9 FIFOs

The IDT72841 is equivalent to two IDT72241 4,096 x 9 FIFOs

The IDT72851 is equivalent to two IDT72251 8,192 x 9 FIFOs

TheoutputportofeachFIFObankiscontrolledbyitsassociated clockpin

(RCLKA, RCLKB) and two Read Enable pins (RENA1, RENA2, RENB1,

RENB2).TheReadClockcanbetiedtotheWriteClockforsingleclockoperation

orthetwoclockscanrunasynchronousofoneanotherfordualclockoperation.

An Output Enable pin (OEA, OEB) is provided on the read port of each FIFO

forthree-stateoutputcontrol.

• Offers optimal combination of large capacity, high speed,

design flexibility and small footprint

• Ideal for prioritization, bidirectional, and width expansion

applications

• 10 ns read/write cycle time for the IDT72801/72811/72821/72831/

72841 (excluding the IDT72851)

EachofthetwoFIFOshastwofixedflags,Empty(EFA,EFB)andFull(FFA,

FFB). Twoprogrammableflags,Almost-Empty(PAEA,PAEB)andAlmost-Full

(PAFA,PAFB),areprovidedforeachFIFObanktoimprovememoryutilization.

Ifnotprogrammed,theprogrammableflagsdefaulttoempty+7forPAEAand

PAEB, and full-7 for PAFA and PAFB.

TheIDT72801/72811/72821/72831/72841/72851architecturelendsitself

tomanyflexibleconfigurationssuchas:

• 2-levelprioritydatabuffering

• 15 ns read/write cycle time for the IDT72851

• Separate control lines and data lines for each FIFO

• Separate Empty, Full, Programmable Almost-Empty and Almost-

Full flags for each FIFO

• Enable puts output data lines in high-impedance state

• Space-saving 64-pin Thin Quad Flat Pack (TQFP) and Slim Thin

Quad Flatpack (STQFP)

•

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

• Bidirectional operation

• Width expansion

DESCRIPTION:

• Depthexpansion

These FIFOs is fabricated using IDT's high-performance submicron

CMOS technology.

TheIDT72801/72811/72821/72831/72841/72851aredualsynchronous

(clocked)FIFOs. ThedeviceisfunctionallyequivalenttotwoIDT72201/72211/

72221/72231/72241/72251 FIFOs in a single package with all associated

control,data,andflaglinesassignedtoseparatepins.

FUNCTIONAL BLOCK DIAGRAM

EFA

WCLKB

PAEA

PAFA

FFA

WCLKA

WENA1

WENA2

WENB1

DA0 - DA8

DB0 - DB8

LDA

LDB

WENB2

INPUT REGISTER

OFFSET REGISTER

INPUT REGISTER

EFB

FLAG

LOGIC

WRITE CONTROL

LOGIC

FLAG

LOGIC

WRITE CONTROL

LOGIC

PAEB

PAFB

FFB

RAM ARRAY

256 x 9, 512 x 9,

1024 x 9, 2048 x 9,

4096 x 9, 8192 x 9

RAM ARRAY

256 x 9, 512 x 9,

1024 x 9, 2048 x 9,

4096 x 9, 8192 x 9

WRITE POINTER

READ POINTER

WRITE POINTER

READ CONTROL

LOGIC

READ CONTROL

LOGIC

OUTPUT REGISTER

RESET LOGIC

RCLKB

RSA

RSB

OEA

OEB

RCLKA

RENA1

RENA2

RENB1

QB0 - QB8

QA0 - QA8

RENB2

3034 drw 01

IDT, IDT logo and the SyncFIFOlogo are trademarks of Integrated Device Technology, Inc.

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGE

APRIL 2001



DSC-3034/2

12 3 4 5 6 7...16

中文翻译

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与IDT72851L10TFG8相关器件

型号	品牌	获取价格	描述	数据表
IDT72851L10TFI	IDT	获取价格	DUAL CMOS SyncFIFO
IDT72851L15PF	IDT	获取价格	DUAL CMOS SyncFIFO
IDT72851L15PFI	IDT	获取价格	DUAL CMOS SyncFIFO
IDT72851L15PFI9	IDT	获取价格	FIFO, 8KX9, 10ns, Synchronous, CMOS, PQFP64, TQFP-64
IDT72851L15PFSCDS-W	ETC	获取价格	x9 Synchronous FIFO
IDT72851L15TF	IDT	获取价格	DUAL CMOS SyncFIFO
IDT72851L15TF9	IDT	获取价格	FIFO, 8KX9, 10ns, Synchronous, CMOS, PQFP64, SLIM, TQFP-64
IDT72851L15TFI	IDT	获取价格	DUAL CMOS SyncFIFO
IDT72851L15TFI8	IDT	获取价格	FIFO, 8KX9, 10ns, Synchronous, CMOS, PQFP64, SLIM, TQFP-64
IDT72851L15TFI9	IDT	获取价格	FIFO, 8KX9, 10ns, Synchronous, CMOS, PQFP64, SLIM, TQFP-64

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