Datasheet > 71V3579YS85BGG8

71V3579YS85BGG8

更新时间： 2024-10-29 10:12:47

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	236K
描述
Standard SRAM, 256KX18, 8.5ns, CMOS, PBGA119

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71V3579YS85BGG8 数据手册

128K X 36, 256K X 18

3.3V Synchronous SRAMs

3.3V I/O, Flow-Through Outputs

Burst Counter, Single Cycle Deselect

IDT71V3577YS

IDT71V3579YS

IDT71V3577YSA

IDT71V3579YSA

Description

Features

◆

The IDT71V3577/79 are high-speed SRAMs organized as

128Kx36/256Kx18.TheIDT71V3577/79SRAMs containwrite,data,

address andcontrolregisters.Therearenoregisters inthedataoutput

path(flow-througharchitecture).InternallogicallowstheSRAMtogen-

erateaself-timedwritebaseduponadecisionwhichcanbeleftuntilthe

endofthe write cycle.

128K x 36, 256K x 18 memory configurations

◆

Supports fast access times:

Commercial:

– 6.5ns up to 133MHz clock frequency

– 7.5ns up to 117MHz clock frequency

CommercialandIndustrial:

Theburstmodefeatureoffersthehighestlevelofperformancetothe

systemdesigner,astheIDT71V3577/79canprovidefourcyclesofdata

forasingleaddress presentedtotheSRAM. Aninternalburstaddress

counteracceptsthefirstcycleaddressfromtheprocessor,initiatingthe

accesssequence.Thefirstcycleofoutputdatawillflow-throughfromthe

arrayafteraclock-to-dataaccesstimedelayfromtherisingclockedgeof

the same cycle. If burst mode operation is selected (ADV=LOW), the

subsequentthreecyclesofoutputdatawillbeavailabletotheuseronthe

next three rising clock edges. The order of these three addresses are

definedbytheinternalburstcounterandtheLBO inputpin.

– 8.0ns up to 100MHz clock frequency

– 8.5ns up to 87MHz clock frequency

LBO input selects interleaved or linear burst mode

Self-timedwritecyclewithglobalwritecontrol(GW),bytewrite

enable (BWE), and byte writes (BWx)

3.3V core power supply

Power down controlled by ZZ input

3.3V I/O

Optional - Boundary Scan JTAG Interface (IEEE 1149.1

compliant)

Packaged in a JEDEC Standard 100-pin plastic thin quad

flatpack(TQFP),119ballgridarray(BGA)and165finepitchball

grid array

◆

The IDT71V3577/79 SRAMs utilize IDT’s latest high-performance

CMOSprocessandarepackagedinaJEDECstandard14mmx20mm

100-pinthinplasticquadflatpack(TQFP)aswellasa119ballgridarray

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

PinDescriptionSummary

A0-A17

Address Inputs

Input

Synchronous

Asynchronous

Synchronous

Chip Enable

, CS

Chip Selects

Output Enable

Global Write Enable

Byte Write Enable

Individual Byte Write Selects

BWE

BW , BW

(1)

, BW

CLK

Clock

Input

Output

Input

I/O

N/A

Synchronous

Burst Address Advance

Address Status (Cache Controller)

Address Status (Processor)

Linear / Interleaved Burst Order

Test Mode Select

Test Data Input

ADV

ADSC

ADSP

LBO

TMS

TDI

Synchronous

N/A

TCK

TDO

Test Clock

Test Data Output

Synchronous

Asynchronous

Synchronous

N/A

JTAG Reset (Optional)

Sleep Mode

TRST

I/O

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

DD, VDDQ

Data Input / Output

Core Power, I/O Power

Ground

Supply

N/A

NOTE:

APRIL 2⁶0⁴⁵⁰0^tbl6⁰¹

1. BW3 and BW4 are not applicable for the IDT71V3579.

DSC-6450/0A

12 3 4 5 6 7...22

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与71V3579YS85BGG8相关器件

型号	品牌	获取价格	描述	数据表
71V3579YS85BGGI	IDT	获取价格	Standard SRAM, 256KX18, 8.5ns, CMOS, PBGA119
71V3579YS85BGI8	IDT	获取价格	Standard SRAM, 256KX18, 8.5ns, CMOS, PBGA119
71V3579YS85BQ	IDT	获取价格	Standard SRAM, 256KX18, 8.5ns, CMOS, PBGA165, FPBGA-165
71V3579YS85BQ8	IDT	获取价格	Standard SRAM, 256KX18, 8.5ns, CMOS, PBGA165
71V3579YS85BQG	IDT	获取价格	Cache SRAM, 256KX18, 8.5ns, CMOS, PBGA165, ROHS COMPLIANT, FBGA-165
71V3579YS85BQG8	IDT	获取价格	Standard SRAM, 256KX18, 8.5ns, CMOS, PBGA165
71V3579YS85BQGI8	IDT	获取价格	Standard SRAM, 256KX18, 8.5ns, CMOS, PBGA165
71V3579YS85PFGI	IDT	获取价格	Cache SRAM, 256KX18, 8.5ns, CMOS, PQFP100, 14 X 20 MM, ROHS COMPLIANT, PLASTIC, TQFP-100
71V3579YS85PFGI8	IDT	获取价格	Standard SRAM, 256KX18, 8.5ns, CMOS, PQFP100
71V3579YSA75BGG	IDT	获取价格	Cache SRAM, 256KX18, 7.5ns, CMOS, PBGA119, ROHS COMPLIANT, BGA-119

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