TECHNOLOGY, INC.
4 MEG x 4
EDO DRAM
RAS#-ONLY REFRESH CYCLE
(OE# and WE# = DON’T CARE)
tRC
tRAS
tRP
RAS#
V
V
IH
IL
,, CAS# VVIIHL
ADDR
V IH
V IL
DQ
V
V
OH
OL
tCRP
, , , tASR
tRAH
,,,,,,,, ROW
tRPC
OPEN
ROW
CBR REFRESH CYCLE
(Addresses and OE# = DON’T CARE)
tRP
tRAS
tRP
tRAS
RAS#
V IH
V IL
tRPC
tCP
tCSR
tCHR
tRPC
tCSR
tCHR
CAS#
V IH
V IL
DQ
V
V
OH
OL
,,,,,,,,,,,,,,,,,,,,,,,,, WE#
V
V
IH
IL
tWRP tWRH
OPEN
tWRP tWRH
DON’T CARE
UNDEFINED
TIMING PARAMETERS
SYMBOL
tASR
tCHR
tCP
tCRP
tCSR
tRAH
-5
MIN
MAX
0
8
8
5
5
9
-6
MIN
MAX
0
10
10
5
5
10
UNITS
ns
ns
ns
ns
ns
ns
SYMBOL
tRAS
tRC
tRP
tRPC
tWRH
tWRP
-5
MIN
MAX
50
10,000
84
30
5
8
8
-6
MIN
MAX
60
10,000
104
40
5
10
10
UNITS
ns
ns
ns
ns
ns
ns
4 Meg x 4 EDO DRAM
D47.pm5 – Rev. 3/97
19
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©1997, Micron Technology, Inc.