RMLD232UAW datasheet(30/50 Pages) EMLSI

30 / 50 page

Rev 0.7

64Mb Low Power DDR SDRAM

Advanced

Absolute maximum ratings

NOTE : Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded.

Functional operation should be restricted to recommand operation condition.

Exposure to higher than recommended voltage for extended periods of time could affect device reliability.

DC Operating Conditions & Specifications

DC Operating Conditions

Recommended operating conditions (Voltage referenced to VSS=0V, TA=-25 to 85 )

NOTE :

1. Under all conditions, VDDQ must be less than or equal to VDD

2. These parameters should be tested at the pin on actual components and may be checked at either the pin or the pad in simulation.

Parameter

Symbol

Value

Uint

Voltage on any pin relative to VSS

VIN, VOUT

-0.5 ~ 2.7

Voltage on VDD supply realtive to VSS

VDD

-0.5 ~ 2.7

Voltage on VDD supply realtive to VSS

VDDQ

-0.5 ~ 2.7

Storage temperature

TSTG

-55 ~ +150

Operatiing temperature

-25 ~ +85

Power dissipation

1.0

Short circuit current

IOS

Parameter

Symbol

Min

Max

Unit

Note

Supply voltage(for device with a nominal VDD of 1.8V)

VDD

1.7

1.95

I/O supply voltage

VDDQ

1.7

1.95

Input logic high voltage

VIH(DC)

0.7 x VDDQ

VDDQ + 0.3

Input logic low voltage

VIL(DC)

-0.3

0.3 x VDDQ

Output logic high voltage

VOH(DC)

0.9 x VDDQ

IOH = -0.1

Output logic low voltage

VOL(DC)

0.1 x VDDQ

IOL = 0.1

Input leakage current

-2

Output leakage current

IOZ

-5

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