LP621024D Series
AC Characteristics (TA = 0°C to + 70°C, VCC = 5V ± 10%)
LP621024D-55LL
LP621024D-70LL
Unit
Symbol
Parameter
Min.
Max.
Min.
Max.
Read Cycle
tRC
tAA
Read Cycle Time
55
-
-
70
-
-
ns
ns
ns
Address Access Time
55
55
70
70
tACE1
-
-
CE1
CE2
Chip Enable Access Time
tACE2
tOE
-
-
55
30
-
-
-
70
35
-
ns
ns
ns
Output Enable to Output Valid
Chip Enable to Output in Low Z
tCLZ1
10
10
CE1
CE2
tCLZ2
tOLZ
10
5
-
-
10
5
-
-
ns
ns
ns
Output Enable to Output in Low Z
Chip Disable to Output in High Z
tCHZ1
0
20
0
25
CE1
CE2
tCHZ2
tOHZ
tOH
0
0
5
20
20
-
0
0
5
25
25
-
ns
ns
ns
Output Disable to Output in High Z
Output Hold from Address Change
Write Cycle
tWC
Write Cycle Time
55
50
0
-
-
70
60
0
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tCW
Chip Enable to End of Write
Address Setup Time
tAS
-
-
tAW
Address Valid to End of Write
Write Pulse Width
50
40
0
-
60
50
0
-
tWP
-
-
tWR
Write Recovery Time
-
-
tWHZ
tDW
Write to Output in High Z
Data to Write Time Overlap
Data Hold from Write Time
Output Active from End of Write
0
25
-
0
30
-
25
0
30
0
tDH
-
-
tOW
5
-
5
-
Notes: tCHZ1, tCHZ2, tOHZ, and tWHZ are defined as the time at which the outputs achieve the open circuit condition and are
not referred to output voltage levels.
(August, 2001, Version 1.0)
5
AMIC Technology, Inc.
AMICC [ AMIC TECHNOLOGY ]
