em658160ts-8 Etron Technology Inc., em658160ts-8 Datasheet - Page 10

• Manufacturer Part Number: em658160ts-8
• Description: Synchronous Dram Sdram
• Manufacturer: Etron Technology Inc.

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Electrical Characteristics and Recommended A.C. Operating Conditions
(V
Etron Confidential
Symbol
t
t
t
t
t
t
tw
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
RC
RFC
RAS
RCD
RP
RRD
CDLR
CCD
CK
CH
CL
DQSCK
AC
DQSQ
RPRE
RPST
DQSS
WPRES
WPREH
WPST
DQSH
DQSL
IS
IH
MRD
DS
DH
QH
PDEX
XSA
XSR
DD
R
= 3.3 ± 0.3 V, Ta = 0~70 °C)
Clock high level width
Clock low level width
Address and Control input hold time
Row cycle time
Refresh row cycle time
Row active time
/RAS to /CAS Delay
Row precharge time
Row active to Row active delay
Last data in to Read command
Col. Address to Col. Address delay
Clock cycle time
DQS-out access time from CK,/CK
Output access time from CK,/CK
DQS-DQ Skew
Read preamble
Read postamble
CK to valid DQS-in
DQS-in setup time
DQS-in hold time
DQS write postamble
DQS in high level pulse width
DQS in low level pulse width
Address and Control input setup time
Mode register set cycle time
DQ & DM setup time to DQS
DQ & DM hold time to DQS
Output DQS valid window
Power down exit time
Self refresh exit to active
Write recovery time
command delay
Self refresh exit to read
command delay
Parameter
CL*=2.5
CL*=3
CL*=2
-0.6/-0.6/-0.6/-0.7/-0.7/-0.75/-0.8
-0.6/-0.6/-0.6/-0.7/-0.7/-0.75/-0.8
-0.5/-0.5/-0.5/-0.5/-0.5/-0.5/-0.6
0.4/0.4/0.4/0.4/0.45/0.5/0.55
0.4/0.4/0.4/0.4/0.45/0.5/0.55
0.4/0.4/0.4/0.4/0.45/0.5/0.55
0.4/0.4/0.4/0.4/0.45/0.5/0.55
4Mx16 DDR SDRAM
44/44/44/55/60/70/80
56/56/56/70/84/91/96
32/32/32/40/42/49/56
12/12/12/15/18/21/24
12/12/12/15/18/21/24
12/12/11/11/10/10/10
6.6/7/8/10/12/14/16
3.3/3.5/4/5/6/7/8
5/5/5.5/6/7.5/8/9
10
6/6/7/8/9/10/11
2.5t
t
IS
0.75
Min.
CK-
0.45
0.45
200
+1t
0.9
0.4
0.4
0.4
0.4
1.1
1.1
0.3
2
1
1
t
DQSS
CK
- 3.3/3.5/4/5/6/7/8
0.6/0.6/0.6/0.7/0.7/0.75/0.8
0.6/0.6/0.6/0.7/0.7/0.75/0.8
Rev. 1.1
0.5/0.5/0.5/0.5/0.5/0.5/0.6
120000
t
IS
EM658160
Max.
0.55
0.55
1.25
+2t
1.1
0.6
0.6
0.6
0.6
15
15
15
CK
Jan. 2002
Unit
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK