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

White Electronic Designs

WED8L24513V

Aug, 2002

Rev. 0A

White Electronic Designs Corp. reserves the right to change products or specifications without notice.

*Stress greater than those listed under "Absolute Maximum Ratings" may cause

permanent damage to the device. This is a stress rating only and functional

operation of the device at these or any other conditions greater than those indicated

in the operational sections of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect reliability.

ABSOLUTE MAXIMUM RATINGS

AC TEST CONDITIONS

RECOMMENDED DC OPERATING CONDITIONS

Input Pulse Levels

Input Rise and Fall Times

5ns

Input and Output Timing Levels

1.5V

Output Load

Figure 1

Voltage on any pin relative to VSS

-0.5V to 4.6V

Operating Temperature TA (Ambient)

Commercial

Industrial

0°C to + 70°C

-40°C to +85°C

Storage Temperature

-55°C to +125°C

Power Dissipation

1.5 Watts

Output Current.

50 mA

Parameter

Sym

Min

Typ

Max

Units

Supply Voltage

3.135

3.3

3.465

V

Supply Voltage

0

0

0

V

Input High Voltage

2.2

--

V

Input Low Voltage

-0.3

--

0.8

V

FIG. 1

FIG. 2

These parameters are sampled, not 100% tested.

DC ELECTRICAL CHARACTERISTICS

TRUTH TABLE

CAPACITANCE

G# E#

W#

Mode

Output

Power

X

H

X

Standby

High Z

H

L

H

Output Deselect

High Z

L

L

H

Read

X

L

L

Write

353

Ω

5 pF

319

Ω

Ω

Q

Z0 = 50

Ω

65 pF

Parameter

Sym

Conditions

Min

Max

Units

10ns

12-15ns

Operating Power Supply Current

Min Cycle

450

350

mA

Standby (TTL) Supply Current

150

150

mA

Full Standby CMOS

Supply Current

90

90

mA

Input Leakage Current

±10

±10

µA

Output Leakage Current

±10

±10

µA

Output High Volltage

2.4

V

Output Low Voltage

0.4

0.4

V

Parameter

Sym

Max

Unit

Address Lines

CA

8

pF

Data Lines

CD/Q

10

pF

Write & Output Enable Lines

W#, G#

8

pF

Chip Enable Lines

EØ# - E2#

8

pF