EM742SP16

256Kx16 Multiplexed STRAM

3

operation should be restricted to recommended operating condition. Exposure to absolute maximum rating conditions for extended

periods may affect reliability.

2. Undershoot at power-off : -1.0V in case of pulse width < 20ns

Parameter

Symbol

Minimum

Unit

Voltage on Any Pin Relative to Vss

V

Voltage on Vcc supply relative to Vss

V

Power Dissipation

1.0

W

Storage Temperature

-65 to 150

Operating Temperature

-25 to 85

FUNCTIONAL DESCRIPTION

Note: X means don’t care. (Must be low or high state)

CS

OE

WE

LB

UB

AVD

Mode

Power

H

X

X

X

X

X

High-Z

X

Deselected

Stand by

L

H

H

X

X

H

High-Z

X

Output Disabled

Active

L

X

X

H

H

X

High-Z

X

Output Disabled

Active

L

H

H

H

H

L

Add. Input

Add. Input

Address Input

Active

L

L

H

L

H

H

Data Out

X

Lower Byte Read

Active

L

L

H

H

L

H

Data Out

X

Upper Byte Read

Active

L

L

H

L

L

H

Data Out

X

Word Read

Active

L

H

L

L

H

H

Data In

X

Lower Byte Write

Active

L

H

L

H

L

H

Data In

X

Upper Byte Write

Active

L

H

L

L

L

H

Data In

X

Word Write

Active