EM44AM1684LBC-37FE datasheet(9/29 Pages) EOREX

Part #	EM44AM1684LBC-37FE

Description	256Mb (4M횞4Bank횞16) Double DATA RATE 2 SDRAM

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Manufacturer	EOREX [Eorex Corporation]

Direct Link	http://www.eorex.com

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9 / 29 page

eorex

EM44AM1684LBC

Jul. 2006

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OCD Default Setting Table

Symbol

Parameter

Min.

Typ.

Max.

Units

-

Output Impedance

12.6

18

23.4

-

Pull-up / Pull down mismatch

0

-

4

-

Output Impedance step size for

OCD calibration

0

-

1.5

-

Output Slew Rate

+1.5

-

5.0

V/ns

AC Operating Test Conditions

(VDD=1.8V ± 0.1V, TA=0°C ~85°C)

Symbol

Item

Conditions

VSWING(max)

Input Signal maximum peak to peak swing

1.0

V

SLEW

Input Signals minimum slew rate

1.0

V/ns

VREF

Input Reference Level

0.5*VDDQ

AC Operating Test Conditions(Continued)

Symbol

Parameter

Min.

Max.

Units

VID

AC differential Input Voltage

0.5

VDDQ+0.6

V

VIX

AC differential corss point Input Voltage

0.5*VDDQ - 0.175

0.5*VDDQ + 0.175

V

VOX

AC differential corss point Output Voltage

0.5*VDDQ - 0.125

0.5*VDDQ + 0.125

V

VIH

Input Logic High Voltage

VREF + 0.25

-

V

VIL

Input Logic Low Voltage

-

VREF - 0.25

V

VOH

High Level Output Voltage

VTT+0.603

-

V

VOL

Low Level Output Voltage

-

VTT-0.603

V

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EM44AM1684LBC-37FE Datasheet(PDF) 9 Page - Eorex Corporation

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