Datasheet > 存储 > SRAM> 71V546S133PFG

71V546S133PFG

更新时间： 2024-02-21 10:57:56

品牌	Logo	应用领域
艾迪悌 - IDT		计数器存储内存集成电路静态存储器 PC 时钟
页数	文件大小	规格书
21页	1003K
描述
128K x 36, 3.3V Synchronous SRAM with ZBTâ¢ Feature, Burst Counter and Pipelined Outputs

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71V546S133PFG 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	TQFP
包装说明：	LQFP, QFP100,.63X.87	针数：	100
Reach Compliance Code：	compliant	ECCN代码：	3A991.B.2.A
HTS代码：	8542.32.00.41	风险等级：	5.17
最长访问时间：	4.2 ns	其他特性：	PIPELINED ARCHITECTURE
最大时钟频率 (fCLK)：	133 MHz	I/O 类型：	COMMON
JESD-30 代码：	R-PQFP-G100	JESD-609代码：	e3
长度：	20 mm	内存密度：	4718592 bit
内存集成电路类型：	ZBT SRAM	内存宽度：	36
湿度敏感等级：	3	功能数量：	1
端子数量：	100	字数：	131072 words
字数代码：	128000	工作模式：	SYNCHRONOUS
最高工作温度：	85 °C	最低工作温度：	-40 °C
组织：	128KX36	输出特性：	3-STATE
封装主体材料：	PLASTIC/EPOXY	封装代码：	LQFP
封装等效代码：	QFP100,.63X.87	封装形状：	RECTANGULAR
封装形式：	FLATPACK, LOW PROFILE	并行/串行：	PARALLEL
峰值回流温度（摄氏度）：	260	电源：	3.3 V
认证状态：	Not Qualified	座面最大高度：	1.6 mm
最大待机电流：	0.045 A	最小待机电流：	3.14 V
子类别：	SRAMs	最大压摆率：	0.31 mA
最大供电电压 (Vsup)：	3.465 V	最小供电电压 (Vsup)：	3.135 V
标称供电电压 (Vsup)：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn) - annealed	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	30	宽度：	14 mm
Base Number Matches：	1

71V546S133PFG 数据手册

128K x 36, 3.3V Synchronous IDT71V546S/XS

SRAM with ZBT™ Feature,

Burst Counter and Pipelined Outputs

Features

◆

128K x 36 memory configuration, pipelined outputs

Supports high performance system speed - 133 MHz

(4.2 ns Clock-to-Data Access)

clockcycle,andtwocycles laterits associateddatacycleoccurs,beit

read or write.

TheIDT71V546containsdataI/O,addressandcontrolsignalregis-

ters. Outputenableistheonlyasynchronoussignalandcanbeusedto

disabletheoutputsatanygiventime.

AClockEnable (CEN)pinallows operationofthe IDT71V546tobe

suspended as long as necessary. All synchronous inputs are ignored

whenCENishighandtheinternaldeviceregisterswillholdtheirprevious

values.

Therearethreechipenablepins(CE1,CE2,CE2)thatallowtheuser

todeselectthedevicewhendesired. Ifanyoneofthesethreeisnotactive

whenADV/LDislow,nonewmemoryoperationcanbeinitiatedandany

burst that was in progress is stopped. However, any pending data

transfers(readsorwrites)willbecompleted. Thedatabuswilltri-statetwo

cyclesafterthechipisdeselectedorawriteinitiated.

◆

ZBT^TMFeature - No dead cycles between write and read

cycles

Internally synchronized registered outputs eliminate the

need to control OE

◆

Single R/W (READ/WRITE) control pin

Positive clock-edge triggered address, data, and control

signal registers for fully pipelined applications

4-word burst capability (interleaved or linear)

Individual byte write (BW1 - BW4) control (May tie active)

Three chip enables for simple depth expansion

Single 3.3V power supply (±5%)

◆

Packaged in a JEDEC standard 100-pin TQFP package

TheIDT71V546hasanon-chipburstcounter. Intheburstmode,the

IDT71V546canprovidefourcyclesofdataforasingleaddresspresented

totheSRAM. TheorderoftheburstsequenceisdefinedbytheLBOinput

pin. TheLBOpinselectsbetweenlinearandinterleavedburstsequence.

The ADV/LD signalis usedtoloada newexternaladdress (ADV/LD =

LOW) orincrementtheinternalburstcounter(ADV/LD =HIGH).

TheIDT71V546SRAMutilizesIDT'shigh-performance,high-volume

3.3V CMOS process, and is packaged in a JEDEC standard 14mm x

20mm100-pinthinplasticquadflatpack(TQFP)forhighboarddensity.

Description

The IDT71V546 is a 3.3V high-speed 4,718,592-bit (4.5 Megabit)

synchronous SRAM organized as 128K x 36 bits. It is designed to

eliminatedeadbuscycleswhenturningthebusaroundbetweenreads

andwrites,orwritesandreads. ThusithasbeengiventhenameZBT ,

or Zero Bus Turn-around.

Address and control signals are applied to the SRAM during one

PinDescriptionSummary

- A16

Address Inputs

Input

I/O

Synchronous

Asynchronous

Synchronous

N/A

Three Chip Enables

Output Enable

CE1

, CE

R/W

Read/Write Signal

Clock Enable

CEN

Individual Byte Write Selects

Clock

, BW

CLK

ADV/LD

Advance Burst Address / Load New Address

Linear / Interleaved Burst Order

Data Input/Output

Synchronous

Static

LBO

I/O0

- I/O31, I/OP1 - I/OP4

Synchronous

Static

VDD

3.3V Power

Supply

VSS

Ground

Static

3821 tbl 01

OCTOBER 2008

ZBT and Zero Bus Turnaround are trademarks of Integrated Device Technology, Inc. and the architecture is supported by Micron Technology and Motorola Inc.

DSC-3821/05

12 3 4 5 6 7...21

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