Timing Diagrams

READ

EWEN/EWDS

WRITE

ERASE

HT93LC46

Rev. 1.90

5

July 9, 2009

C S

S K

S t a n d b y

D I

0

( 1 )

0

S t a r t b i t

1 1 = E W E N

0 0 = E W D S

C S

S K

D O

H i g h - Z

0

D I

S t a r t b i t

1

( 1 )

*

* A d d r e s s p o i n t e r a u t o m a t i c a l l y c y c l e s t o t h e n e x t w o r d

0

A N

A 0

D 0 D X

D X

M o d e

A N

D X

( X 1 6 )

A 5

D 1 5

( X 8 )

A 6

D 7

H i g h - Z

C S

S K

D O

H i g h - Z

S t a n d b y

D I

1

( 1 )

b u s y r e a d y

v e r i f y

0

S t a r t b i t

A N

A N - 1 A N - 2

A 1

D 0

A 0 D X

C S

S K

D O

H i g h - Z

S t a n d b y

D I

1

( 1 )

b u s y r e a d y

v e r i f y

1

S t a r t b i t

A 1

A 0