M66258 Mitsubishi, M66258 Datasheet - Page 7

• Manufacturer Part Number: M66258
• Description: 8192 x 8-BIT LINE MEMORY
• Manufacturer: Mitsubishi

Input data of n cycle is read at the rising edge after WCK of n cycle and writing operation starts in the WCK low-level period of n+1
cycle. The writing operation is complete at the falling edge after n+1 cycle.
To stop reading write data at n cycle, enter WCK before the rising edge after n+1 cycle.
When the cycle next to n cycle is a disable cycle, WCK for a cycle requires to be entered after the disable cycle as well.
Matters that needs attetion when WCK stops
WCK
WE
Dn
n cycle
t
WCK
t
DS
(n)
t
DH
n+1 cycle
Period for writing data
(n) into memory
n cycle
8192 x 8-BIT LINE MEMORY
t
NWES
t
DS
(n)
t
DH
Disable cycle
Period for writing data
(n) into memory
M66258FP
WRES = "H"
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