CMOS DRAM Samsung Electronics, CMOS DRAM Datasheet - Page 9

• Manufacturer Part Number: CMOS DRAM
• Description: EDO Mode, x4 and x8 Device Timing Diagram
• Manufacturer: Samsung Electronics

EDO Mode, x4 and x8 Device Timing Diagram
RAS - ONLY REFRESH CYCLE*
NOTE : W, OE, D
CAS - BEFORE - RAS REFRESH CYCLE
NOTE : OE , A = Don t care
DQ0 ~ DQ3(7)
CAS
RAS
CAS
RAS
D
OUT
W
A
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OH
OL
IH
IH
IH
IH
IL
IH
IL
IL
IL
IL
IH
IL
= OPEN
-
-
-
-
-
-
-
-
-
-
-
-
-
-
IN
= Don t care
t
t
CRP
ASR
t
ADDR
CEZ
ROW
t
RAH
t
RPC
t
CP
t
RP
t
WRP
t
CSR
t
WRH
t
CHR
t
RAS
t
t
RC
RAS
OPEN
t
RC
t
RPC
t
RPC
t
t
RP
RP
CMOS DRAM
Don t care
Undefined
t
CRP