參數(shù)資料
型號： SM532164084XAG6
元件分類： DRAM
英文描述： 16M X 32 EDO DRAM MODULE, 60 ns, SMA72
封裝： SIMM-72
文件頁數(shù)： 2/24頁
文件大?。?/td> 127K
代理商： SM532164084XAG6
SM5321640U4XAUU
Preliminary
SMART
Modular Technologies
10
C
orporate Headquarters: 4305 Cushing Pkwy., Fremont, CA 94538, USA Tel:(510) 623-1231 Fax:(510) 623-1434 E-mail: info@smartm.com
Europe: 36 Linford Forum, Rockingham Dr., Linford Wood, Milton Keynes, MK14 6LY, UK Tel: +44-1908 234030 Fax: +44-1908-234191
Asia/Pacic: Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia Tel: +604-3992909 Fax: +604-3992903
(VCC = 3.3V±10%/5.0V±10%, VSS = 0V, TA = 0 to +70 °C)
Parameter
Symbol
50ns
60ns
70ns
Unit Notes
Min
Max
Min
Max
Min
Max
Read Cycle
Access time from column address
tAA
-
25
-
30
-
35
ns
3, 10
Access time from CAS#
tCAC
-
13
-
15
-
20
ns
3, 4, 5
Output buffer turn-off time to CAS#
tCEZ
3133
13
3
15
ns
6
Access time from RAS#
tRAC
-
50
-
60
-
70
ns
3, 4
Column address to RAS# lead time
tRAL
25
-
30
-
35
-
ns
Read command hold time to CAS#
tRCH
0-0
-0
-
ns
8
Read command set-up time
tRCS
0-0
-0
-
ns
Output buffer turn-off delay to RAS#
tREZ
3153
15
3
20
ns
Read command hold time to RAS#
tRRH
0-0
-0
-
ns
8
Write Cycle
Write command to CAS# lead time
tCWL
8
-
10
-
15
-
ns
Data-in hold time
tDH
8
-
10
-
15
-
ns
9
Data-in set-up time
tDS
0-0
-0
-
ns
9
Write command to RAS# lead time
tRWL
13
-
15
-
20
-
ns
Write command hold time
tWCH
10
-
10
-
15
-
ns
Write command set-up time
tWCS
0-0
-0
-
ns
7
Write command pulse width
tWP
10
-
10
-
15
-
ns
Hyper Page Mode Cycle
Access time from CAS# precharge
tACP
-
25
-
35
-
40
ns
3, 11
CAS# precharge time
tCP
8
-
10
-
10
-
ns
Output data hold time
tDOH
5-5
-5
-
ns
9
Hyper page mode cycle time
tHPC
20
-
25
-
30
-
ns
RAS# pulse width
tRASP
50
200000
60
200000
70
200000
ns
12
RAS# hold time from CAS# precharge
tRHCP
30
-
35
-
40
-
ns
Refresh Cycle
CAS# hold time (CBR refresh)
tCHR
10-10
-
15
-
ns
1
CAS# set-up time (CBR refresh)
tCSR
10-10
-
10
-
ns
1
Refresh period
tREF
4K refresh
-
64
-
64
-
64
ms
RAS# precharge to CAS# hold time
tRPC
5-5
-5
-
ns
AC Characteristics (cont’d)
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