eorex
(V
DD
=2.5V±0.2V, T
A
=0°C ~70°
C)
Symbol
t
RPST
t
RAS
t
RC
t
RFC
t
RCD
t
RP
t
RRD
t
CCD
t
CDLR
t
CDLW
t
DPL
t
XSNR
t
XSRD
t
REFI
Parameter
Read Postamble
Active to Precharge command
period
Active to Active command period
Auto Refresh Row Cycle Time
Active to Read or Write delay
Precharge command period
Active bank A to B command period
Column address to column address
delay
Last data in to Read command
Last data in to Write command
Last data in to Precharge command
Exit self Refresh to non-read
command
Exit self Refresh to read command
Average periodic refresh interval
0
2
75
200
15.6
-5
Min.
0.4
40
55
70
15
15
10
1
2.5 t
CK
- t
DQSS
Max.
0.6
70k
EM42AM1684RTA
AC Operating Test Characteristics (Continued)
-6
Min.
0.4
42
60
72
18
18
12
1
2.5 t
CK
- t
DQSS
0
2
75
200
15.6
Max.
0.6
70k
-75
Min.
Max.
0.4
0.6
45
65
75
20
20
15
1
2.5 t
CK
- t
DQSS
0
2
75
200
15.6
70k
Units
t
CK
ns
ns
ns
ns
ns
ns
t
CK
t
CK
t
CK
t
CK
ns
ns
us
Jul. 2006
8/19
www.eorex.com
EOREX [ EOREX CORPORATION ]
