Datasheet > UPD488588FF-C60-53-DH1

UPD488588FF-C60-53-DH1

更新时间： 2024-11-19 23:40:19

品牌	Logo	应用领域
其他 - ETC		动态存储器
页数	文件大小	规格书
79页	1082K
描述
RAMBUS DRAM

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DATA SHEET

288M bits Direct Rambus DRAM

µPD488588 (512K words × 18 bits × 32s banks)

Description

Features

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.

• 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

The µPD488588 is 288Mbits Direct Rambus DRAM

(RDRAM), organized as 16M words by 18 bits.

— 32 banks: four transactions can take place

simultaneously at full bandwidth data rates

The use of Rambus Signaling Level (RSL) technology

permits 600MHz to 800MHz transfer rates while using

conventional system and board design technologies.

Direct RDRAM devices are capable of sustained data

transfers at 1.25ns per two bytes (10ns per sixteen

bytes).

• 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 active state

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 four banks support up to four

simultaneous transactions.

— Power-down self-refresh

• Overdrive current mode

• Organization: 2K bytes pages and 32 banks, x 18

• Uses Rambus Signaling Level (RSL) for up to

800MHz operation

• Package : 80-pin TAPE FBGA (µBGA)

System oriented features for mobile, graphics and

large memory systems include power management,

byte masking.

The µPD488588 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 2.5V supply.

Document No. E0039E20 (Ver. 2.0)

Date Published December 2001 (K) Japan

URL: http://www.elpida.com

Elpida Memory, Inc. 2001

NEC Corporation 2000

Elpida Memory, Inc. is a joint venture DRAM company of NEC Corporation and Hitachi, Ltd.

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与UPD488588FF-C60-53-DH1相关器件

型号	品牌	获取价格	描述	数据表
UPD488588FF-C71-45-DH1	ELPIDA	获取价格	Rambus DRAM, 16MX18, 45ns, CMOS, PBGA80, FBGA-80
UPD488588FF-C80-40-DH1	ELPIDA	获取价格	Rambus DRAM, 16MX18, 40ns, CMOS, PBGA80, FBGA-80
UPD488588FF-C80-45-DH1	ELPIDA	获取价格	Rambus DRAM, 16MX18, 45ns, CMOS, PBGA80, FBGA-80
UPD48G-22	ETC	获取价格	8-Bit Microcontroller
UPD4990A	NEC	获取价格	SERIAL I/O CALENDAR & CLOCK CMOS LSI
UPD4990AC	NEC	获取价格	SERIAL I/O CALENDAR & CLOCK CMOS LSI
UPD4990AC-A	NEC	获取价格	Real Time Clock, 0 Timer(s), CMOS, PDIP14, DIP-14
UPD4990AG	NEC	获取价格	SERIAL I/O CALENDAR & CLOCK CMOS LSI
UPD4990AG-A	NEC	获取价格	Consumer Circuit, CMOS, PDSO16, 0.300 INCH, PLASTIC, SOP-16
UPD4991A	NEC	获取价格	4-BIT PARALLEL I/O CALENDAR CLOCK

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