T224162B Ver la hoja de datos (PDF) - Taiwan Memory Technology

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T224162B

256K x 16 DYNAMIC RAM EDO PAGE MODE

Taiwan Memory Technology 

tm TE

CH

CBR REFRESH CYCLE

(A0-A8 ; OE =DON‘T CARE)

T224162B

RA S

VIH

VIL

C A SH, CA S L

VVII

H

L

I /O

WE VIH

VIL

tR P

tR A S

tR P C

tC P N

tC S R

t C HR

tRP

tR A S

t RP C

tC S R

tC H R

O P EN

HIDDEN REFRESH CYCLE

( W E =HIGH ; OE =LOW)

R AS

V

V

IH

IL

C AS L ,C A SH

V

V

IH

IL

ADDR

V

V

IH

IL

I /O

V

V

OH

OL

OE

V

V

IH

IL

(REA D )

tRAS

tRP

tCRP

tR C D

t R SH

tA SR

tA R

tR A D

tR A H

tA S C

tRAL

tCAH

R OW

C OL U MN

tA A

tR A C

tC A C

tCLZ

O P EN

tOA C

t OR D

(R E F R E S H )

tR A S

t C HR

V AL ID D A T A

NOT E1

tO FF1

tO FF2

O P EN

DON'T CARE

UNDEFINED

Note: 1. tOFF1 is referenced from the rising edge of RAS or CAS , whichever occurs last.

Taiwan Memory Technology, Inc. reserves the right P. 12

to change products or specifications without notice.

Publication Date: AUG. 2000

Revision:L

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