Datasheet > IDT71V2578S150BGI8

IDT71V2578S150BGI8

更新时间： 2024-11-22 08:44:59

品牌	Logo	应用领域
艾迪悌 - IDT		静态存储器
页数	文件大小	规格书
22页	620K
描述
Cache SRAM, 256KX18, 3.8ns, CMOS, PBGA119, BGA-119

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128K X 36, 256K X 18

IDT71V2576S

IDT71V2578S

IDT71V2576SA

IDT71V2578SA

3.3VSynchronousSRAMs

2.5V I/O, Pipelined Outputs,

Burst Counter, Single Cycle Deselect

Features

Description

◆

128K x 36, 256K x 18 memory configurations

The IDT71V2576/78 are high-speed SRAMs organized as 128K x

36/256Kx18.TheIDT71V2576/78SRAMscontainwrite,data,address

andcontrolregisters. InternallogicallowstheSRAMtogenerateaself-

timedwritebaseduponadecisionwhichcanbeleftuntiltheendofthewrite

cycle.

◆

Supports high system speed:

CommercialandIndustrial:

– 150MHz 3.8ns clock access time

– 133MHz 4.2ns clock access time

LBO input selects interleaved or linear burst mode

◆

Theburstmodefeatureoffersthehighestlevelofperformancetothe

◆

Self-timedwritecyclewithglobalwritecontrol(GW),bytewrite systemdesigner,astheIDT71V2576/78canprovidefourcyclesofdata

enable (BWE), and byte writes (BWx)

3.3V core power supply

Power down controlled by ZZ input

2.5V I/O

Optional - Boundary Scan JTAG Interface (IEEE 1149.1 operationisselected(ADV=LOW),thesubsequentthreecyclesofoutput

compliant) datawillbeavailabletotheuseronthenextthreerisingclockedges. The

Packaged in a JEDEC Standard 100-pin plastic thin quad orderofthesethreeaddressesaredefinedbytheinternalburstcounter

flatpack(TQFP),119ballgridarray(BGA)and165finepitchball andthe LBO inputpin.

grid array (fBGA)

forasingleaddress presentedtotheSRAM. Aninternalburstaddress

counteracceptsthefirstcycleaddressfromtheprocessor,initiatingthe

accesssequence.Thefirstcycleofoutputdatawillbepipelinedforone

cycle before it is available on the next rising clock edge. If burst mode

◆

The IDT71V2576/78 SRAMs utilize IDT’s latest high-performance

CMOSprocessandarepackagedinaJEDECstandard14mmx20mm

100-pinthinplasticquadflatpack(TQFP)aswellasa119 ballgridarray

(BGA) and 165 fine pitch ball grid array (fBGA).

PinDescriptionSummary

A0-A17

Address Inputs

Input

Output

Input

I/O

Synchronous

Asynchronous

Synchronous

N/A

Chip Enable

, CS

Chip Selects

Output Enable

Global Write Enable

Byte Write Enable

Individual Byte Write Selects

Clock

BWE

BW , BW

(1)

, BW

CLK

Burst Address Advance

Address Status (Cache Controller)

Address Status (Processor)

Linear / Interleaved Burst Order

Test Mode Select

Test Data Input

Synchronous

ADV

ADSC

ADSP

LBO

TMS

TDI

Synchronous

N/A

TCK

TDO

TRST

Test Clock

Test Data Output

Synchronous

Asynchronous

Synchronous

N/A

JTAG Reset (Optional)

Sleep Mode

I/O

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

DD, VDDQ

Data Input / Output

Core Power, I/O Power

Ground

Supply

N/A

4876 tbl 01

NOTE:

JUNE 2003

1. BW3 and BW4 are not applicable for the IDT71V2578.

DSC-4876/09

12 3 4 5 6 7...22

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与IDT71V2578S150BGI8相关器件

型号	品牌	获取价格	描述	数据表
IDT71V2578S150BQ	IDT	获取价格	128K X 36, 256K X 18 3.3V Synchronous SRAMs 2.5V I/O, Pipelined Outputs, Burst Counter, Si
IDT71V2578S150BQGI	IDT	获取价格	暂无描述
IDT71V2578S150BQI	IDT	获取价格	128K X 36, 256K X 18 3.3V Synchronous SRAMs 2.5V I/O, Pipelined Outputs, Burst Counter, Si
IDT71V2578S150PF	IDT	获取价格	128K X 36, 256K X 18 3.3V Synchronous SRAMs 2.5V I/O, Pipelined Outputs, Burst Counter, Si
IDT71V2578S150PFG	IDT	获取价格	暂无描述
IDT71V2578S150PFG8	IDT	获取价格	Cache SRAM, 256KX18, 3.8ns, CMOS, PQFP100, 14 X 20 MM, GREEN, PLASTIC, TQFP-100
IDT71V2578S150PFGI	IDT	获取价格	Cache SRAM, 256KX18, 3.8ns, CMOS, PQFP100, 14 X 20 MM, PLASTIC, TQFP-100
IDT71V2578S150PFI	IDT	获取价格	128K X 36, 256K X 18 3.3V Synchronous SRAMs 2.5V I/O, Pipelined Outputs, Burst Counter, Si
IDT71V2578S150PFI8	IDT	获取价格	Cache SRAM, 256KX18, 3.8ns, CMOS, PQFP100, 14 X 20 MM, PLASTIC, TQFP-100
IDT71V2578S166BG8	IDT	获取价格	Cache SRAM, 256KX18, 3.5ns, CMOS, PBGA119, BGA-119

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