MOSEL VITELIC
V53C8256H
Waveforms of Fast Page Mode Read Cycle
t
t
RAS (1)
RP (3)
t
AR (23)
V
V
IH
IL
RAS
CAS
t
t
PC (42)
t
RSH (R)(12)
RCD (6)
t
t
t
CRP (13)
CP(43)
CRP(13)
t
CAS (5)
t
t
CAS (5)
CAS (5)
V
V
IH
IL
t
t
CSH (4)
CAR (44)
t
t
RAH (9)
t
ASC (10)
ASC (10)
t
t
t
CAH (11)
ASR (8)
CAH (11)
V
V
IH
IL
ROW
ADDRESS
COLUMN
ADDRESS
COLUMN
ADDRESS
COLUMN
ADDRESS
ADDRESS
t
t
t
RCH (14)
RCH (14)
RCS (7)
t
RCS (7)
t
t
RCS (7)
CAH (11)
V
V
IH
IL
WE
OE
t
t
CAA (20)
CAA (20)
t
t
RRH (15)
CAP (45)
OAC (17)
t
t
t
OAC (17)
OAC (17)
V
V
IH
IL
t
HZ (22)
t
t
t
RAC (19)
CAC (18)
CAC (18)
t
t
CAC (18)
HZ (22)
t
t
t
LZ (21)
LZ (21)
HZ (22)
t
t
t
HZ (22)
HZ (22)
HZ (22)
t
LZ (21)
V
OH
VALID
DATA OUT
VALID
DATA OUT
VALID
DATA OUT
I/O
V
OL
8256H-10
Waveforms of Fast Page Mode Write Cycle
t
t
RP (3)
AR (23)
t
RAS (1)
V
V
IH
IL
RAS
CAS
t
t
t
CRP (13)
t
PC (42)
t
RSH (W)(25)
t
RCD (6)
CP(43)
CRP (13)
t
t
CAS (5)
t
CAS (5)
V
V
CAS (5)
IH
IL
t
CSH (4)
t
t
RAH (9)
CAR (44)
t
t
t
t
ASC (10)
ASC (10)
t
t
ASR (8)
CAH (11)
CAH (11)
CAH (11)
V
V
IH
IL
ROW
ADD
COLUMN
ADDRESS
COLUMN
ADDRESS
COLUMN
ADDRESS
ADDRESS
t
t
t
t
RAD (24)
CWL (26)
CWL (26)
CWL (26)
t
t
WCS (27)
WCS (27)
t
t
t
t
RWL(31)
WCS (27)
WCH (28)
WCH (28)
t
WCH (28)
WP(29)
t
t
t
WP(29)
WP(29)
V
V
IH
IL
WE
OE
V
IH
V
IL
t
t
DS (32)
DS (32)
DH (33)
t
t
t
t
DS (32)
DH (33)
DH (33)
OPEN
V
IH
IL
VALID
DATA IN
VALID
DATA IN
VALID
DATA IN
I/O
OPEN
V
8256H-11
Undefined
Don’t Care
V53C8256H Rev. 1.2 July 1997
10
MOSEL [ MOSEL VITELIC, CORP ]
