WV3HG264M72EEU665D7IMG datasheet(4/11 Pages) WEDC

부품명	WV3HG264M72EEU665D7IMG

상세설명	1GB - 2x64Mx72 DDR2 SDRAM UNBUFFERED, w/PLL, Mini-DIMM

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제조업체	WEDC [White Electronic Designs Corporation]

홈페이지	http://www.whiteedc.com

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4 / 11 page

WV3HG264M72EEU-D7

May 2006

Rev. 0

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

TSTG

Storage Temperature

-55

100

°C

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, ODT

-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 0 C, f=1 00MHz

Parameter

Symbol

Min

Max

Unit

Input capacitance (A0 - A13, BA0 - BA1 ,RAS#,CAS#,WE#)

CIN1

22

40

pF

Input capacitance ( CKE0, CKE1), (ODT0, ODT1)

CIN2

13

22

pF

Input capacitance (CS0#, CS1#)

CIN3

13

22

pF

Input capacitance (CK0, CK0#)

CIN4

67

pF

Input capacitance (DM0 - DM8), (DQS0 - DQS8)

CIN5 (665)

911

pF

CIN5 (534, 403)

912

pF

Input capacitance (DQ0 - DQ63), (CB0 - CB7)

COUT1 (665)

911

pF

COUT1 (534, 403)

912

pF

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