WV3HG264M72EEU806PD4MG datasheet(4/11 Pages) WEDC

Teilenummer	WV3HG264M72EEU806PD4MG

Bauteilbeschribung	1GB - 2x64Mx72 DDR2 SDRAM UDIMM, SO-DIMM w/PLL

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Hersteller	WEDC [White Electronic Designs Corporation]

Direct Link	http://www.whiteedc.com

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4 / 11 page

WV3HG264M72EEU-PD4

April 2006

Rev. 2

ADVANCED

4

White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

White Electronic Designs

DC OPERATING CONDITIONS

All voltages referenced to VSS

Parameter

Symbol

Min

Typical

Max

Unit

Notes

Supply Voltage

VCC

1.7

1.8

1.9

V

3

I/O Reference Voltage

VREF

0.49 x VCC

0.50 x VCC

0.51 x VCC

V1

I/O Termination Voltage

VTT

VREF-0.04

VREF

VREF+0.04

V

2

SPD Supply Voltage

VCCSPD

1.7

-

3.6

V

Notes:

1

VREF is expected to equal VCC/2 of the transmitting device and to track variations in the DC level of the same. Peak-to-peak noise on VREF may not exceed +/-1 percent of the

DC value. Peak-to-peak AC noise on VREF may not exceed +/-2 percent of VREF. This measurement is to be taken at the nearest VREF bypass capacitor.

2. VTT is not applied directly to the device. VTT is a system supply for signal termination resistors, is expected to be set equal to VREF and must track variations in the DC level of VREF.

3. VCCQ of all IC's are tied to VCC.

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Min

Max

Units

VCC

Voltage on VCC pin relative to VSS

-0.5

2.3

V

VIN, VOUT

Voltage on any pin relative to VSS

-0.5

2.3

V

IL

Input leakage current; Any input 0V<VIN<VCC; VREF input

0V,VIN,0.95V; Other pins not under test = 0V

Command/Address,

RAS#, CAS#, WE#,

-90

90

µA

CS#, CKE

-45

45

µA

CK, CK#

-10

10

µA

DM

-10

10

µA

IOZ

Output leakage current; 0V<VIN<VCC; DQs and ODT are disable

DQ, DQS, DQS#

-10

10

µA

IVREF

VREF leakage current; VREF = Valid VREF level

-36

36

µA

INPUT/OUTPUT CAPACITANCE

TA=25°C, f=100MHz

Parameter

Symbol

Min

Max

Unit

Input capacitance (0A~A13, BA0~BA1,

RAS#, CAS#, WE#)

CIN122

40

pF

Input capacitance (CKE0, CKE1),

(ODT0, ODT1)

CIN213

22

pF

Input capacitance (CS0# - CS1#)

CIN313

22

pF

Input capacitance (CK, CK#)

CIN46

7

pF

Input capacitance (DM0~DM8),

(DQS0~DQS8)

CIN5 (665)

9

11

pF

CIN5 (534, 403)

9

12

pF

Input capacitance (DQ0~DQ63),

(CB0~CB7)

COUT1 (665)

9

11

pF

COUT1 (534, 403)

9

12

pF

Ähnliche Beschreibung - WV3HG264M72EEU806PD4MG

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