HANBit

HMF4M16J4V

HANBit Electronics Co., Ltd.

REV.02(August,2002)

2

FUNCTIONAL BLOCK DIAGRAM

TRUTH TABLE

MODE

/CS

/OE

/WE

RESET

DQ

STANDBY

Vcc

±0.3V

X

X

Vcc

±0.3V

HIGH-Z

RESET

X

X

X

L

HIGH-Z

SECTOR PROTECT

L

H

L

SECTOR UNPROTECT

L

H

L

READ

L

L

H

H

WRITE

L

H

L

H

Note : X means don't care, WE0* Low byte (D0~7) Write enable, W E1* High byte(D8~15) Write enable.

ABSOLUTE MAXIMUM RATINGS

PARAMETER

RATING

Voltage on Any Pin Relative to Vss

-0.5V to Vcc +0.5V

Voltage on Vcc Supply Relative to Vss

-0.5V to +4.0V

Output Short Circuit Current

1,600mA

Storage Temperature

-65oC to +150oC

Operating Temperature

-0oC to +70oC

w Stresses 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 condi tions above those indicated in

the operating section of this specification is not implied. Exposure to absolute maximum rating conditions for extended

periods may affect reliability.

A0-20

DQ0-7

DQ0-15

DQ8-15

/OE

/WE

/RY-BY

U1

A

D

/CE

/

Reset

/

OE

/WE

/RY-BY

U2

A

D

/CE

/Reset

/OE

/WE

/RY-BY

U3

A

D

/CE

/Reset

/OE

/WE

/RY-BY

U4

A

D

/CE

/Reset

/CE0

/CE1

/Ry-By

/Reset

/WE1

/WE0

/OE