Datasheet > 723642L15PF8

723642L15PF8

更新时间： 2023-06-15 00:00:00

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
25页	202K
描述
TQFP-120, Reel

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中文翻译

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数据手册
替代型号

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723642L15PF8 数据手册

CMOS SyncBiFIFO^TM

256 x 36 x 2, 512 x 36 x 2,

1,024 x 36 x 2

IDT723622

IDT723632

IDT723642

• Available in 132-pin Plastic Quad Flatpack (PQFP) or space-

saving 120-pin Thin Quad Flatpack (TQFP)

• Low-power 0.8-Micron Advanced CMOS technology

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

• Greenpartsavailable,seeorderinginformation

FEATURES:

• Memory storage capacity:

IDT723622

IDT723632

IDT723642

–

256 x 36 x 2

512 x 36 x 2

1,024 x 36 x 2

• Free-running CLKA and CLKB may be asynchronous or

coincident (simultaneous reading and writing of data on a single

clock edge is permitted)

• Two independent clocked FIFOs buffering data in opposite

directions

DESCRIPTION:

TheIDT723622/723632/723642areamonolithic,high-speed,low-power,

CMOSBidirectionalSyncFIFO(clocked)memorywhichsupports clockfre-

quencies up to 83MHz and have read access times as fast as 8ns. Two

independent256/512/1,024x36dual-portSRAMFIFOsonboardeachchip

buffer data in opposite directions. Communication between each port may

bypasstheFIFOsviatwo36-bitmailboxregisters.Eachmailboxregisterhas

a flag to signal when new mail has been stored.

• Mailbox bypass register for each FIFO

• Programmable Almost-Full and Almost-Empty flags

• Microprocessor Interface Control Logic

• IRA, ORA, AEA, and AFA flags synchronized by CLKA

• IRB, ORB, AEB, and AFB flags synchronized by CLKB

• Supports clock frequencies up to 83MHz

• Fast access times of 8ns

These devices are a synchronous (clocked) FIFO, meaning each port

employsasynchronousinterface.Alldatatransfersthroughaportaregated

totheLOW-to-HIGHtransitionofaportclockbyenablesignals.Theclocksfor

FUNCTIONAL BLOCK DIAGRAM

MBF1

Mail 1

CLKA

CSA

W/RA

ENA

MBA

Port-A

Control

Logic

RAM

ARRAY

256 x 36

512 x 36

1,024 x 36

FIFO1,

Mail1

Reset

Logic

RST1

Write

Pointer

Read

Pointer

Status Flag

Logic

ORB

AEB

IRA

AFA

FIFO 1

Programmable Flag

Offset Registers

B0 - B35

- A35

FIFO 2

ORA

AEA

Status Flag

Logic

IRB

AFB

Read

Pointer

Write

Pointer

FIFO2,

Mail2

Reset

Logic

RST2

RAM

ARRAY

256 x 36

512 x 36

CLKB

CSB

Port-B

Control

Logic

1,024 x 36

W/RB

ENB

MBB

Mail 2

3022 drw 01

MBF2

IDTandtheIDTlogoareregisteredtrademarksofIntegratedDeviceTechnology,Inc. SyncBiFIFOisatrademarkofIntegratedDeviceTechnology,Inc.

FEBRUARY 2009

COMMERCIAL TEMPERATURE RANGE

DSC-3022/5

12 3 4 5 6 7...25

中文翻译

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723642L15PF8 替代型号

型号	品牌	替代类型	描述	数据表
723642L15PFG8	IDT	完全替代	CMOS SyncBiFIFO

与723642L15PF8相关器件

型号	品牌	获取价格	描述	数据表
723642L15PFG	IDT	获取价格	CMOS SyncBiFIFO
723642L15PFG8	IDT	获取价格	CMOS SyncBiFIFO
723642L15PQF	IDT	获取价格	PQFP-132, Tray
723642L15PQFG	IDT	获取价格	Bi-Directional FIFO, 1KX36, 10ns, Synchronous, CMOS, PQFP132, PLASTIC, QFP-132
723642L15PQFGI	IDT	获取价格	PQFP-132, Tray
723642L20PF	IDT	获取价格	Bi-Directional FIFO, 2KX36, 13ns, Synchronous, CMOS, PQFP120
723642L20PQF	IDT	获取价格	Bi-Directional FIFO, 2KX36, 13ns, Synchronous, CMOS, PQFP132
723642L30PF	IDT	获取价格	Bi-Directional FIFO, 2KX36, 15ns, Synchronous, CMOS, PQFP120
723643L12PFG	IDT	获取价格	CMOS BUS-MATCHING SyncFIFO
723643L12PFG8	IDT	获取价格	CMOS BUS-MATCHING SyncFIFO

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