WED3DG644V-D1

White Electronic Designs

3

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

June 2006

Rev. 3

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Value

Units

-1.0 ~ 4.6

V

-1.0 ~ 4.6

V

Storage Temperature

-55 ~ +150

°C

Power Dissipation

4

W

Short Circuit Current

50

mA

Note: Permanent device damage may occur if “ABSOLUTE MAXIMUM RATINGS” are exceeded.

Functional operation should be restricted to recommended operating condition.

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

Parameter

Symbol

Min

Typ

Max

Unit

Note

Supply Voltage

3.0

3.3

3.6

V

Input High Voltage

2.0

3.0

V1

Input Low Voltage

-0.3

—

0.8

V

2

Output High Voltage

2.4

—

—

V

Output Low Voltage

——

0.4

V

Input Leakage Current

-10

—

10

µA

3

Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs.

CAPACITANCE

Parameter

Symbol

Max

Unit

Input Capacitance (A0-A12)

25

pF

Input Capacitance (RAS#,CAS#,WE#)

25

pF

Input Capacitance (CKE0)

25

pF

Input Capacitance (CLK0)

19

pF

Input Capacitance (CS0#)

25

pF

Input Capacitance (DQM0-DQM7)

8pF

Input Capacitance (BA0-BA1)

25

pF

Data Input/Output Capacitance (DQ0-DQ63)

10

pF

RECOMMENDED DC OPERATING CONDITIONS