MOSEL VITELIC
V53C16256SH
Waveforms of Fast Page Mode Read-Write Cycle
RAS VIH
VIL
V
UCAS, LCAS IH
VIL
V
ADDRESS IH
VIL
V
WE
IH
VIL
V
OE
IH
VIL
VI/OH
I/O
VI/OL
tRAS (1)
tRCD (6)
t CSH (4)
tPCM (50)
t RAD (24)
tCAS (5)
tRAH (9)
tASC (10)
tASR (8)
tASC (10)
tCAH (11)
ROW
ADD
COLUMN
ADDRESS
tCP(43)
tCAS (5)
COLUMN
ADDRESS
tASC (10)
tCAH (11)
tRP (3)
tRSH (W)(25)
tCRP (13)
tCAS (5)
tCAR (44)
t CAH (11)
COLUMN
ADDRESS
t RCS (7)
tRWD (39)
t CWD (38)
tCWD (38)
t CWL (26)
t CWL (26)
t CWD (38)
tRWL(31)
tCWL (26)
tCAA (20)
t OAC (17)
tAWD (41)
tAWD (41)
t WP(29)
tOAC (17)
tAWD (41)
tWP (29)
tOAC (17)
tWP (29)
tOED (35)
tCAC (18)
tRAC (19)
tCAP (45)
tCAA (20)
tOED (35)
tCAC (18)
tHZ (22)
tDH (33)
tDS (32)
tCAP (45)
tCAA (20)
tHZ (22)
tDH (33)
tDS (32)
tOED (35)
tCAC (18)
tHZ (22)
tDH (33)
tDS (32)
OUT
IN
OUT
IN
OUT
IN
tLZ (21)
tLZ (21)
tLZ (21)
16256L-11
Waveforms of RAS-Only Refresh Cycle
RAS VIH
V IL
UCAS, LCAS VIH
V IL
ADDRESS VIH
V IL
tCRP (13)
tASR (8)
ROW ADDR
tRAH (9)
NOTE: WE, OE = Don’t care
tRC (2)
tRAS (1)
tRP (3)
16256L-12
V53C16256SH Rev. 0.1 December 1998
12
Don’t Care
Undefined