Datasheet > 72V02L25JG8

72V02L25JG8

更新时间： 2022-02-26 09:43:51

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
12页	301K
描述
3.3 VOLT CMOS ASYNCHRONOUS FIFO

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数据手册

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72V02L25JG8 数据手册

3.3 VOLT CMOS ASYNCHRONOUS FIFO

512 x 9, 1,024 x 9,

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

IDT72V01, IDT72V02

IDT72V03, IDT72V04

IDT72V05, IDT72V06

8,192 x 9, 16,384 x 9

FEATURES:

DESCRIPTION:

• 3.3V family uses less power than the 5 Volt 7201/7202/7203/7204/

7205/7206family

The IDT72V01/72V02/72V03/72V04/72V05/72V06 are dual-port FIFO

memoriesthatoperateatapowersupplyvoltage(Vcc)between3.0Vand3.6V.

Theirarchitecture, functionaloperationandpinassignmentsareidenticalto

those of the IDT7201/7202/7203/7204/7205/7206. These devices load and

emptydataonafirst-in/first-outbasis.TheyuseFullandEmptyflagstoprevent

data overflow and underflow and expansion logic to allow for unlimited

expansion capability in both word size and depth.

• 512 x 9 organization (72V01)

• 1,024 x 9 organization (72V02)

• 2,048 x 9 organization (72V03)

• 4,096 X 9 organization (72V04)

• 8,192 x 9 organization (72V05)

• 16,384 X 9 organization (72V06)

• Functionally compatible with 720x family

• Low-power consumption

— Active: 180 mW (max.)

— Power-down: 18 mW (max.)

• 15 ns access time

The reads and writes are internally sequential through the use of ring

pointers,withnoaddressinformationrequiredtoloadandunloaddata.Data

istoggledinandoutofthedevicesthroughtheuseoftheWrite(W)andRead

(R) pins. The devices have a maximum data access time as fast as 25 ns.

Thedevicesutilizea9-bitwidedataarraytoallowforcontrolandparitybits

attheuser’soption.Thisfeatureisespeciallyusefulindatacommunications

applicationswhereitisnecessarytouseaparitybitfortransmission/reception

errorchecking.TheyalsofeatureaRetransmit(RT)capabilitythatallowsfor

resetofthereadpointertoitsinitialpositionwhenRTispulsedLOWtoallowfor

retransmissionfromthebeginningofdata.AHalf-FullFlagisavailableinthe

singledevicemodeandwidthexpansionmodes.

• Asynchronous and simultaneous read and write

• Fully expandable by both word depth and/or bit width

• Status Flags: Empty, Half-Full, Full

• Auto-retransmit capability

• Available in 32-pin PLCC

•

Industrial temperature range (–40

C to +85

C) is available

These FIFOs are fabricated using high-speed CMOS technology. It has

beendesignedforthoseapplicationsrequiringasynchronousandsimultane-

ousread/writesinmultiprocessingandratebufferapplications.

• Green parts available, see ordering information

FUNCTIONAL BLOCK DIAGRAM

DATA INPUTS

(D0-D8)

WRITE

CONTROL

RAM

ARRAY

512 x 9

1,024 x 9

2,048 x 9

4,096 x 9

8,192 x 9

16,384 x 9

WRITE

POINTER

READ

POINTER

THREE-

STATE

BUFFERS

DATA OUTPUTS

READ

CONTROL

(Q0-Q8)

RESET

LOGIC

FLAG

LOGIC

FL/RT

EXPANSION

LOGIC

XO/HF

3033 drw 01

IDTandtheIDTlogoaretrademarksofIntegratedDeviceTechnology,Inc

JUNE 2012

COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES

DSC-3033/7

12 3 4 5 6 7...12

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