msm518221 Oki Semiconductor, msm518221 Datasheet - Page 12

• Manufacturer Part Number: msm518221
• Description: 262,214-word ? 8-bit Field Memory
• Manufacturer: Oki Semiconductor

SRCK
RSTR
D
RE
OE
¡ Semiconductor
Write Cycle Timing (Input Enable)
SWCK
IE
     

D
WE
RSTW
Read Cycle Timing (Read Reset)
OUT
IN
t
n-1
T
n
t
t
AC
IENH
n cycle
n cycle
t
RSTRS
t
WIEL
n


 
n+1 cycle
t
RSTRH
0 cycle
t
t
WIEH
IDSH
0
t
WSRH
t
IDSS
n+2 cycle
t
DDCK
1 cycle
t
SRC
t
WSRL
1
n+3
t
IENS
n+3 cycle
2 cycle
2
n+4
MSM518221
12/16
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IH
IL
IH
IL
OH
OL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL