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參數(shù)資料
| 型號： | IDT70125L70L52B |
| 英文描述： | x9 Dual-Port SRAM |
| 中文描述： | X9熱賣雙端口SRAM |
| 文件頁數(shù)： | 6/15頁 |
| 文件大小： | 190K |
| 代理商： | IDT70125L70L52B |
6.42
IDT70V9379L
High-Speed 32K x 18 Dual-Port Synchronous Pipelined Static RAM
Industrial and Commercial Temperature Ranges
14
Depth and Width Expansion
The IDT70V9379 features dual chip enables (refer to Truth Table I)
inordertofacilitaterapidandsimpledepthexpansionwithnorequirements
for external logic. Figure 4 illustrates how to control the varioius chip
enables in order to expand two devices in depth.
TheIDT70V9379canalsobeusedinapplicationsrequiringexpanded
width, as indicated in Figure 4. Since the banks are allocated at the
discretionoftheuser,theexternalcontrollercanbesetuptodrivetheinput
signals for the various devices as required to allow for 36-bit or wider
applications.
4857 drw 18
IDT70V9379
CE0
CE1
CE0
CE1
A15
CE1
CE0
VCC
IDT70V9379
Control Inputs
CNTRST
CLK
ADS
CNTEN
R/
W
LB, UB
OE
Figure 4. Depth and Width Expansion with IDT70V9379
Functional Description
The IDT70V9379 provides a true synchronous Dual-Port Static RAM
interface. Registered inputs provide minimal set-up and hold times on
address,data,andallcriticalcontrolinputs.Allinternalregistersareclocked
ontherisingedgeoftheclocksignal,however,theself-timedinternalwrite
pulse is independent of the LOW to HIGH transition of the clock signal.
An asynchronous output enable is provided to ease asynchronous
bus interfacing. Counter enable inputs are also provided to staff the
operationoftheaddresscountersforfastinterleavedmemoryapplications.
CE0 = VIL and CE1 = VIH for one clock cycle will power down the
internalcircuitrytoreducestaticpowerconsumption.Multiplechipenables
allow easier banking of multiple IDT70V9379's for depth expansion
configurations.WhenthePipelinedoutputmodeisenabled,twocyclesare
required with
CE0 = VIL and CE1 = VIH to re-activate the outputs.
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT70125S | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT |
| IDT70125S25J | 功能描述:IC SRAM 18KBIT 25NS 52PLCC RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:72 系列:- 格式 - 存儲器:RAM 存儲器類型:SRAM - 同步 存儲容量:9M（256K x 36） 速度:75ns 接口:并聯(lián) 電源電壓:3.135 V ~ 3.465 V 工作溫度:-40°C ~ 85°C 封裝/外殼:100-LQFP 供應商設備封裝:100-TQFP（14x14） 包裝:托盤 其它名稱:71V67703S75PFGI |
| IDT70125S25J8 | 功能描述:IC SRAM 18KBIT 25NS 52PLCC RoHS:否 類別:集成電路 (IC) >> 存儲器 系列:- 標準包裝:72 系列:- 格式 - 存儲器:RAM 存儲器類型:SRAM - 同步 存儲容量:9M（256K x 36） 速度:75ns 接口:并聯(lián) 電源電壓:3.135 V ~ 3.465 V 工作溫度:-40°C ~ 85°C 封裝/外殼:100-LQFP 供應商設備封裝:100-TQFP（14x14） 包裝:托盤 其它名稱:71V67703S75PFGI |
| IDT70125S25JG | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT |
| IDT70125S25JGI | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:HIGH-SPEED 2K x 9 DUAL-PORT STATIC RAM WITH BUSY & INTERRUPT |
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