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EBR25UC8ABFD

256MB Direct Rambus™ DRAM RIMM™ Module

Elpida Memory, Inc 

EBR25UC8ABFD

RIMM Module Current Profile

IDD

RIMM module power conditions *1

Grade

max.

Unit

IDD1

One RDRAM device in Read *2,

balance in NAP mode

-AEP, -AE, -AD

688

-8C

548

mA

IDD2

One RDRAM device in Read *2,

balance in Standby mode

-AEP, -AE, -AD

-8C

1290

1010

mA

IDD3

One RDRAM device in Read *2,

balance in Active mode

-AEP, -AE, -AD

-8C

1570

1220

mA

IDD4

One RDRAM device in Write,

balance in NAP mode

-AEP, -AE, -AD

708

-8C

558

mA

IDD5

One RDRAM device in Write,

balance in Standby mode

-AEP, -AE, -AD

-8C

1310

1020

mA

IDD6

One RDRAM device in Write,

balance in Active mode

-AEP, -AE, -AD

-8C

1590

1230

mA

Notes: 1. Actual power will depend on individual RDRAM component specifications, memory controller and usage

patterns. Power does not include Refresh Current.

2. I/O current is a function of the % of 1’s, to add I/O power for 50 % 1’s for a x18 need to add 276mA for the

following: VDD = 2.5V, VTERM = 1.8V, VREF = 1.4V and VDIL = VREF − 0.5V.

Data Sheet E0317E20 (Ver. 2.0)

9

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