EDD5104ABTA-7B Ver la hoja de datos (PDF) - Elpida Memory, Inc

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EDD5104ABTA-7B

512M bits DDR SDRAM

Elpida Memory, Inc 

EDD5104ABTA, EDD5108ABTA

Test Conditions

Parameter

Input reference voltage

Termination voltage

Input high voltage

Input low voltage

Input differential voltage, CK and /CK

inputs

Input differential cross point voltage,

CK and /CK inputs

Input signal slew rate

Symbol

VREF

VTT

VIH (AC)

VIL (AC)

VID (AC)

VIX (AC)

SLEW

Value

VDDQ/2

VREF

VREF + 0.31

VREF − 0.31

0.62

VREF

1

Unit

V

V

V

V

V

V

V/ns

CK VID

/CK

tCK

tCL

tCH

VIX

VDD

VREF

VSS

VDD

VIH

VREF

VIL

VSS

∆t

SLEW = (VIH (AC) – VIL (AC))/∆t

VTT

Measurement point

DQ

RT = 50Ω

CL = 30pF

Input Waveforms and Output Load

Preliminary Data Sheet E0237E30 (Ver. 3.0)

8

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