MO SEL VITELIC
V53C16258H
Waveforms of EDO Page Mode Read-Write Cycle
t
RAS (1)
V
IH
RAS
V
IL
t
t
CSH (4)
RP (3)
t
RCD (6)
t
t
RSH (W)(25)
PCM (50)
t
t
CP (43)
CRP (13)
t
CAS (5)
t
V
t
CAS (5)
CAS (5)
IH
UCAS, LCAS
ADDRESS
t
RAD (24)
V
IL
t
t
RAH (9)
CAR (44)
t
t
t
t
ASC (10)
ASC (10)
CAH (11)
ASC (10)
t
CAH (11)
t
t
CAH (11)
ASR (8)
V
IH
ROW
ADD
COLUMN
ADDRESS
COLUMN
ADDRESS
COLUMN
ADDRESS
V
IL
t
t
t
CWD (38)
RWD (39)
t
CWD (38)
t
t
RWL (31)
t
CWL (26)
CWL (26)
t
CWD (38)
CWL (26)
V
IH
WE
OE
V
IL
t
AWD (41)
WP (29)
OAC (17)
t
t
AWD (41)
AWD (41)
WP (29)
OAC (17)
t
t
t
t
CAA (20)
WP (29)
t
t
t
OAC (17)
V
IH
V
t
OEH (53)
t
IL
t
CAP (43)
t
CAP (43)
t
CAA (20)
t
CAA (20)
t
t
OED (35)
OED (35)
OED (35)
t
t
t
t
CAC (18)
CAC (18)
RAC (19)
CAC (18)
t
t
t
HZ (22)
HZ (22)
t
HZ (22)
t
t
t
DH (33)
DH (33)
DH (33)
DS (32)
t
t
DS (32)
DS (32)
V
I/OH
I/OL
OUT
OUT
OUT
I/O
IN
IN
IN
V
t
LZ (21)
16258H-11
t
t
LZ
LZ
Waveforms of RAS-Only Refresh Cycle
t
RC (2)
t
RP (3)
t
RAS (1)
V
V
IH
IL
RAS
t
CRP (13)
V
V
IH
IL
UCAS, LCAS
ADDRESS
t
t
RAH (9)
ASR (8)
V
V
IH
IL
ROW ADD
16258H-12
NOTE: WE, OE = Don’t care
Undefined
Don’t Care
V53C16258H Rev. 3.8 November 1999
12