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

White Electronic Designs

W3E16M72SR-XBX

February 2005

Rev. 2

DDR DC ELECTRICAL CHARACTERISTICS AND OPERATING CONDITIONS (NOTES 1, 6)

Parameter/Condition

Symbol

Min

Max

Units

Supply Voltage

2.3

2.7

V

I/O Supply Voltage

2.3

2.7

V

Input Hight Voltage: Logic 1; All inputs (21)

V

Input Low Voltage: Logic 0; All inputs (21)

-0.4

V

-2

2

µA

-5

5

µA

Output Levels: Full drive option - x16

-16.8

–

mA

16.8

–

mA

Output Levels: Reduced drive option - 16 only

-9

–

mA

9–

mA

I/O Reference Voltage

V

I/O Termination Voltage

V

Parameter/Condition

Symbol

Max

250Mbps

266Mbps 200Mbps

Units

per clock cyle; Address and control inputs changing once every two clock cycles; (22, 48)

625

600

mA

control inputs changing once per clock cycle (22, 48)

850

775

mA

20

20

mA

225

225

mA

150

150

mA

DM, and DQS inputs changing twice per clock cycle; Address and other control inputs changing once per clock cycle (22)

250

250

mA

OPERATING CURRENT: Burst = 2; Reads; Continuous burst; One bank active; Address and control inputs changing once per

925

925

mA

OPERATING CURRENT: Burst = 2; Writes; Continuous burst; One bank active; Address and control inputs changing once per

800

800

mA

AUTO REFRESH CURRENT

1225

1225

mA

30

30

mA

SELF REFRESH CURRENT: CKE ≤ 0.2V

Standard (11)

20

20

mA

control inputs change only during Active READ or WRITE commands. (22, 49)

2000

2000

mA