EBE10EE8ACFA View Datasheet(PDF) - Elpida Memory, Inc

Part Name

Description

Manufacturer

EBE10EE8ACFA

1GB Unbuffered DDR2 SDRAM DIMM

Elpida Memory, Inc 

EBE10EE8ACFA

12. When the device is operated with input clock jitter, this parameter needs to be derated by the actual

tJIT(duty) of the input clock. (output deratings are relative to the SDRAM input clock.)

For example, if the measured jitter into a DDR2-667 SDRAM has tJIT(duty) min. = −72ps and

tJIT(duty) max. = +93ps, then tRPST min.(derated) = tRPST min. + tJIT(duty) min. = 0.4 × tCK(avg) −

72ps = +928ps and tRPST max.(derated) = tRPST max. + tJIT(duty) max. = 0.6 × tCK(avg) + 93ps =

+1592ps.

13. Refer to the Clock Jitter table.

Data Sheet E1059E20 (Ver. 2.0)

21

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