EDD2508AETA-5C-E datasheet(11/52 Pages) ELPIDA

Part #	EDD2508AETA-5C-E

Description	256M bits DDR SDRAM

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Manufacturer	ELPIDA [Elpida Memory]

Direct Link	http://www.elpida.com/en

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11 / 52 page

EDD2508AETA, EDD2516AETA

Data Sheet E0859E50 (Ver. 5.0)

11

Test Conditions

Parameter

Symbol

Value

Unit

Input reference voltage

VREF

VDDQ/2

V

Termination voltage

VTT

VREF

V

Input high voltage

VIH (AC)

VREF

+ 0.31

V

Input low voltage

VIL (AC)

VREF

− 0.31

V

Input differential voltage, CK and /CK

inputs

VID (AC)

0.62

V

Input differential cross point voltage,

CK and /CK inputs

VIX (AC)

VREF

V

Input signal slew rate

SLEW

1

V/ns

VTT

VREF

/CK

CK

VREF

VSS

SLEW = (VIH (AC) – VIL (AC))/

∆t

Measurement point

VIH

VIL

VDD

VSS

DQ

RT = 50

Ω

CL = 30pF

VIX

∆t

tCL

tCK

tCH

VID

Input Waveforms and Output Load

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EDD2508AETA-5C-E Datasheet(PDF) 11 Page - Elpida Memory

EDD2508AETA-5C-E Datasheet(HTML) 11 Page - Elpida Memory

Similar Part No. - EDD2508AETA-5C-E

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