KM416C1200B-6 データシートの表示（PDF） - Samsung
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KM416C1200B-6 Datasheet PDF : 8 Pages
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KM416C1000B, KM416C1200B
KM416V1000B, KM416V1200B
CMOS DRAM
AC CHARACTERISTICS (Continued)
Parameter
Symbol
Data set-up time
Data hold time
Refresh period (1K, Normal)
Refresh period (4K, Normal)
Refresh period (L-ver)
Write command set-up time
CAS to W delay time
RAS to W delay time
Column address to W delay time
CAS precharge to W delay time
CAS set-up time (CAS -before-RAS refresh)
CAS hlod time (CAS -before-RAS refresh)
RAS to CAS precharge time
CAS precharge time (CBR counter test cycle)
Access time from CAS precharge
Fast Page mode cycle time
Fast Page read-modify-write cycle time
CAS precharge time (Fast Page cycle)
RAS pulse width (Fast Page cycle)
RAS hold time from CAS precharge
OE access time
OE to data delay
Output buffer turn off delay time from OE
OE command hold time
RAS pulse width (C-B-R self refresh)
RAS precharge time (C-B-R self refresh)
CAS hold time (C-B-R self refresh)
tDS
tDH
tREF
tREF
tREF
tWCS
tCWD
tRWD
tAWD
tCPWD
tCSR
tCHR
tRPC
tCPT
tCPA
tPC
tPRWC
tCP
tRASP
tRHCP
tOEA
tOED
tOEZ
tOEH
tRASS
tRPS
tCHS
-5
Min Max
0
10
16
64
128
0
36
73
48
53
5
10
5
20
30
35
76
10
50 200K
30
13
13
0
13
13
100
90
-50
-6
Min Max
0
10
16
64
128
0
40
85
55
60
5
10
5
20
35
40
80
10
60 200K
35
15
15
0
15
15
100
110
-50
-7
Min Max
0
15
16
64
128
0
50
95
60
65
5
15
5
25
40
45
95
10
70 200K
40
20
20
0
20
20
100
130
-50
Units
ns
ns
ms
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
us
ns
ns
Notes
8,16
8,16
6
6,12
6
6
6
14
15
3
11
3
17
17
17
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