首頁(yè)>UPD488448FF-C60-53-DQ1>規(guī)格書(shū)詳情
UPD488448FF-C60-53-DQ1中文資料瑞薩數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)
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廠商型號(hào) |
UPD488448FF-C60-53-DQ1 |
功能描述 | 128 M-bit Direct Rambus??DRAM |
文件大小 |
1.9028 Mbytes |
頁(yè)面數(shù)量 |
30 頁(yè) |
生產(chǎn)廠商 | Renesas Electronics America |
企業(yè)簡(jiǎn)稱 |
NEC【瑞薩】 |
中文名稱 | 日本瑞薩電子株式會(huì)社官網(wǎng) |
原廠標(biāo)識(shí) | ![]() |
數(shù)據(jù)手冊(cè) | |
更新時(shí)間 | 2025-2-24 15:47:00 |
人工找貨 | UPD488448FF-C60-53-DQ1價(jià)格和庫(kù)存,歡迎聯(lián)系客服免費(fèi)人工找貨 |
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UPD488448FF-C60-53-DQ1規(guī)格書(shū)詳情
Description
The Direct Rambus DRAM (Direct RDRAM?) is a general purpose high-performance memory device suitable for use in a broad range of applications including computer memory, graphics, video, and any other application where high bandwidth and low latency are required.
The μPD488448 is 128M-bit Direct Rambus DRAM (RDRAM?), organized as 8M words by 16 bits. The use of Rambus Signaling Level (RSL) technology permits 600 MHz to 800 MHz transfer rates while using conventional system and board design technologies. Direct RDRAM devices are capable of sustained data transfers at 1.25 ns per two bytes (10 ns per sixteen bytes).
The architecture of the Direct RDRAMs allows the highest sustained bandwidth for multiple, simultaneous randomly addressed memory transactions. The separate control and data buses with independent row and column control yield over 95 bus efficiency. The Direct RDRAM’s thirty-two banks support up to four simultaneous transactions. System oriented features for mobile, graphics and large memory systems include power management, byte masking.
The μPD488448 is offered in a CSP horizontal package suitable for desktop as well as low-profile add-in card and mobile applications. Direct RDRAMs operate from a 2.5 volt supply.
Features
? Highest sustained bandwidth per DRAM device
- 1.6 GB/s sustained data transfer rate
- Separate control and data buses for maximized efficiency
- Separate row and column control buses for easy scheduling and highest performance
- 32 banks: four transactions can take place simultaneously at full bandwidth data rates
? Low latency features
- Write buffer to reduce read latency
- 3 precharge mechanisms for controller flexibility
- Interleaved transactions
? Advanced power management:
- Multiple low power states allows flexibility in power consumption versus time to transition to active state
- Power-down self-refresh
? Overdrive current mode
? Organization: 1 Kbyte pages and 32 banks, x 16
? Uses Rambus Signaling Level (RSL) for up to 800 MHz operation
? Package : 62-pin TAPE FBGA (μBGA?) and 62-pin PLASTIC FBGA (D2BGA? (Die Dimension Ball Grid Array) )
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
NEC |
1816+ |
. |
6523 |
科恒偉業(yè)!只做原裝正品,假一賠十! |
詢價(jià) | ||
NEC |
2310+ |
TQFP-100 |
3886 |
優(yōu)勢(shì)代理渠道,原裝現(xiàn)貨,可全系列訂貨 |
詢價(jià) | ||
NEC |
23+ |
QFP |
19526 |
詢價(jià) | |||
NEC |
17+ |
QFP100 |
9988 |
只做原裝進(jìn)口,自己庫(kù)存 |
詢價(jià) | ||
NEC |
24+ |
QFP |
2700 |
全新原裝自家現(xiàn)貨優(yōu)勢(shì)! |
詢價(jià) | ||
NEC |
2000 |
QFP |
386 |
原裝現(xiàn)貨海量庫(kù)存歡迎咨詢 |
詢價(jià) | ||
NEC |
2025+ |
TQFP-100 |
3550 |
全新原廠原裝產(chǎn)品、公司現(xiàn)貨銷(xiāo)售 |
詢價(jià) | ||
NEC |
23+ |
QFP |
8890 |
價(jià)格優(yōu)勢(shì)/原裝現(xiàn)貨/客戶至上/歡迎廣大客戶來(lái)電查詢 |
詢價(jià) | ||
NEC |
2020+ |
SOP-16/ |
8000 |
只做自己庫(kù)存,全新原裝進(jìn)口正品假一賠百,可開(kāi)13%增 |
詢價(jià) | ||
NEC |
23+ |
NA |
380 |
專做原裝正品,假一罰百! |
詢價(jià) |