Datasheet > 72V245L20TFGI8

72V245L20TFGI8

更新时间： 2024-11-06 00:48:15

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
25页	401K
描述
3.3 VOLT CMOS SyncFIFO

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72V245L20TFGI8 数据手册

3.3 VOLT CMOS SyncFIFO^TM

256 x 18, 512 x 18, 1,024 x 18,

2,048 x 18, and 4,096 x 18

IDT72V205, IDT72V215,

IDT72V225, IDT72V235,

IDT72V245

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

• Green parts available, see ordering information

FEATURES:

• 256 x 18-bit organization array (IDT72V205)

• 512 x 18-bit organization array (IDT72V215)

• 1,024 x 18-bit organization array (IDT72V225)

• 2,048 x 18-bit organization array (IDT72V235)

• 4,096 x 18-bit organization array (IDT72V245)

• 10 ns read/write cycle time

DESCRIPTION:

TheIDT72V205/72V215/72V225/72V235/72V245arefunctionallycom-

patibleversionsoftheIDT72205LB/72215LB/72225LB/72235LB/72245LB,

designed to run off a 3.3V supply for exceptionally low power consumption.

These devices are very high-speed, low-power First-In, First-Out (FIFO)

memorieswithclockedreadandwritecontrols. TheseFIFOsareapplicable

forawidevarietyofdatabufferingneeds,suchasopticaldiskcontrollers,Local

AreaNetworks(LANs),andinterprocessorcommunication.

• 5V input tolerant

• IDT Standard or First Word Fall Through timing

• Single or double register-buffered Empty and Full flags

• Easily expandable in depth and width

• Asynchronous or coincident Read and Write Clocks

• Asynchronous or synchronous programmable Almost-Empty

and Almost-Full flags with default settings

• Half-Full flag capability

• Output enable puts output data bus in high-impedance state

• High-performance submicron CMOS technology

• Available in a 64-lead thin quad flatpack (TQFP/STQFP)

TheseFIFOshave18-bitinputandoutputports. Theinputportiscontrolled

byafree-runningclock(WCLK),andaninputenablepin(WEN).Dataisread

intothesynchronousFIFOoneveryclockwhenWENisasserted.Theoutput

portiscontrolledbyanotherclockpin(RCLK)andanotherenablepin(REN).

TheReadClock(RCLK)canbetiedtotheWriteClockforsingleclockoperation

orthetwoclockscanrunasynchronousofoneanotherfordual-clockoperation.

AnOutputEnablepin(OE)isprovidedonthereadportforthree-statecontrol

oftheoutput.

FUNCTIONAL BLOCK DIAGRAM

WCLK

D0-D17

WEN

INPUT REGISTER

OFFSET REGISTER

FF/IR

PAF

FLAG

WRITE CONTROL

LOGIC

EF/OR

PAE

LOGIC

RAM ARRAY

256 x 18, 512 x 18

1,024 x 18, 2,048 x 18

4,096 x 18

HF/(WXO)

READ POINTER

WRITE POINTER

WXI

READ CONTROL

LOGIC

EXPANSION LOGIC

(HF)/WXO

RXI

RXO

OUTPUT REGISTER

RESET LOGIC

4294 drw 01

REN

RCLK

Q0-Q17

IDT, IDTlogoareregisteredtrademarksofIntegratedDeviceTechnology, Inc. SyncFIFOisatrademarkofIntegratedDeviceTechnology, Inc.

MARCH 2013

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

DSC-4294/7

12 3 4 5 6 7...25

中文翻译

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与72V245L20TFGI8相关器件

型号	品牌	获取价格	描述	数据表
72V251	RENESAS	获取价格	8K x 9 SyncFIFO, 3.3V
72V251L10JG	IDT	获取价格	3.3 VOLT CMOS SyncFIFO
72V251L10JG8	IDT	获取价格	3.3 VOLT CMOS SyncFIFO
72V251L10JGI	IDT	获取价格	3.3 VOLT CMOS SyncFIFO
72V251L10JGI8	IDT	获取价格	3.3 VOLT CMOS SyncFIFO
72V251L10PFG	IDT	获取价格	3.3 VOLT CMOS SyncFIFO
72V251L10PFG8	IDT	获取价格	3.3 VOLT CMOS SyncFIFO
72V251L10PFGI	IDT	获取价格	3.3 VOLT CMOS SyncFIFO
72V251L10PFGI8	IDT	获取价格	3.3 VOLT CMOS SyncFIFO
72V251L15JG	IDT	获取价格	3.3 VOLT CMOS SyncFIFO

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