8755A

WAVEFORMS

Figure 2. Clock Specification for 8755A

ADO_?

ALE

)

)

t

ADDRESS

tAD

, -

ADDRESS~--..r---)

tLL _

DATA

~----<

1/

ADDRESS

ADDRESS >-

I -- tAL - I --- tLA -

 

\

tLO

 

 

 

(PROG)/CE 1

 

 

 

 

 

J

\.

 

-

\

 

 

~

t--tRDE

tROF I ---

 

 

 

 

 

 

 

 

J

1"-

 

 

I---tLC~ I --- tRO

tow

I--- f-two

 

 

 

 

tce

IL-

 

 

 

 

 

 

 

 

 

 

I --- tCL -

Please note that CE1 must remain low tor the entire eyele.

 

 

tRV

Figure 3. PROM Read, 1/0 Read and Write Timing

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Intel mcs-48 manual Clock Specification for 8755A, Prom Read, 1/0 Read and Write Timing