HYMD232646B8J-D43 datasheet(4/18 Pages) HYNIX

Part #	HYMD232646B8J-D43

Description	Unbuffered DDR SDRAM DIMM

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Manufacturer	HYNIX [Hynix Semiconductor]

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HYMD232646B8J

Rev. 0.2 / Apr. 2003

4

ABSOLUTE MAXIMUM RATINGS

Note : Operation at above absolute maximum rating can adversely affect device reliability

DC OPERATING CONDITIONS (TA=0 to 70 oC, Voltage referenced to VSS= 0V)

Note :

1. VDDQ must not exceed the level of VDD.

2. VIL (min) is acceptable -1.5V AC pulse width with < 5ns of duration.

3. The value of VREF is approximately equal to 0.5VDDQ.

4. For DDR400, VDD=2.6V +/- 0.1V, VDDQ=2.6V+/-0.1V

Parameter

Symbol

Rating

Unit

Ambient Temperature

TA

0 ~ 70

oC

Storage Temperature

TSTG

-55 ~ 125

oC

Voltage on Inputs relative to VSS

VIN

-0.5 ~ 3.6

V

Voltage on I/O Pins relative to VSS

VIO

-0.5 ~ 3.6

V

Voltage on VDD relative to VSS

VDD

-0.5 ~ 3.6

V

Voltage on VDDQ relative to VSS

VDDQ

-0.5 ~ 3.6

V

Output Short Circuit Current

IOS

50

mA

Power Dissipation

PD

8W

Soldering Temperature Þ Time

TSOLDER

260 / 10

oC / Sec

Parameter

Symbol

Min

Typ.

Max

Unit

Note

Power Supply Voltage

VDD

2.3

2.5

2.7

V

Power Supply Voltage

VDD

2.5

2.6

2.7

V

4

Power Supply Voltage

VDDQ

2.3

2.5

2.7

V

1

Power Supply Voltage

VDDQ

2.5

2.6

2.7

V

1,4

Input High Voltage

VIH

VREF + 0.15

-

VDDQ + 0.3

V

Input Low Voltage

VIL

-0.3

-

VREF - 0.15

V

2

Termination Voltage

VTT

VREF - 0.04

VREF

VREF + 0.04

V

Reference Voltage

VREF

0.49*VDDQ

0.5*VDDQ

0.51*VDDQ

V3

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