MOSEL VITELIC
V53C818H
Waveforms of Hidden Refresh Cycle (Read)
t
t
RC (2)
RC (2)
t
t
RP (3)
t
t
RAS (1)
RAS (1)
RP (3)
t
AR (23)
V
V
IH
IL
RAS
t
t
RSH (R)(12)
t
t
CRP (13)
RCD (6)
CRP (13)
CHR (49)
t
V
V
IH
IL
UCAS, LCAS
t
RAD (24)
t
t
ASR (8)
ASC (10)
t
t
CAH (11)
RAH (9)
V
V
IH
IL
COLUMN
ADDRESS
ROW
ADDRESS
ADD
t
t
RCS (7)
RRH (15)
V
V
IH
IL
WE
t
CAA (20)
t
OAC (17)
V
V
IH
IL
OE
t
t
HZ (22)
CAC (18)
t
t
HZ (22)
LZ (21)
t
RAC (19)
V
OH
VALID DATA
I/O
V
OL
676 10
Waveforms of Hidden Refresh Cycle (Write)
t
t
RC (2)
RC (2)
t
t
RP (3)
t
t
RAS (1)
RAS (1)
RP (3)
t
AR (23)
V
V
IH
IL
RAS
t
t
RSH (12)
t
t
CRP (13)
RCD (6)
CRP (13)
CHR (49)
t
V
V
IH
IL
UCAS, LCAS
t
RAD (24)
t
t
ASR (8)
ASC (10)
t
t
CAH (11)
RAH (9)
V
V
IH
IL
ROW
COLUMN
ADDRESS
ADDRESS
ADD
t
t
WCS (27)
WCH (28)
V
V
IH
IL
WE
V
V
IH
IL
OE
t
t
DS (32)
DH (33)
V
IH
IL
VALID DATA-IN
DHR (46)
I/O
V
676 11
t
Don’t Care
Undefined
V53C818H Rev. 1.2 May 1997
14
MOSEL [ MOSEL VITELIC, CORP ]
