KMM372C804BS Datasheet, PDF (4/19 Pages) Samsung semiconductor – 8M x 72 DRAM DIMM with ECC using 4M16, 4K Refresh, 5V

DRAM MODULE
KMM372C804BS
CAPACITANCE (TA = 25°C, f = 1MHz)
Item
Symbol
Min
Input capacitance[A0, B0, A1 - A11]
CIN1
-
Input capacitance[W0, W2, OE0, OE2]
CIN2
-
Input capacitance[RAS0 - RAS3]
CIN3
-
Input capacitance[CAS0, 1,4,5]
CIN4
-
Input/Output capacitance[DQ0 - 71]
CDQ
-
AC CHARACTERISTICS (0°C≤TA≤70°C, VCC=5.0V±10%. See notes 1,2.)
Test condition : Vih/Vil=2.6/0.8V, Voh/Vol=2.4/0.4V, output loading CL=100pF
Parameter
Random read or write cycle time
Read-modify-write cycle time
Access time from RAS
Access time from CAS
Access time from column address
CAS to output in Low-Z
Output buffer turn-off delay
Transition time(rise and fall)
RAS precharge time
RAS pulse width
RAS hold time
CAS hold time
CAS pulse width
RAS to CAS delay time
RAS to column address delay time
CAS to RAS precharge time
Row address set-up time
Row address hold time
Column address set-up time
Column address hold time
Column address to RAS lead time
Read command set-up time
Read command hold referencde to CAS
Read command hold referenced to RAS
Write command hold time
Write command pulse width
Write command to RAS lead time
Write command to CAS lead time
Data in set-up time
Data in hold time
Refresh period
Write command set-up time
CAS to W delay time
Column address to W delay time
CAS prechange to W delay time
Symbol
tRC
tRWC
tRAC
tCAC
tAA
tCLZ
tOFF
tT
tRP
tRAS
tRSH
tCSH
tCAS
tRCD
tRAD
tCRP
tASR
tRAH
tASC
tCAH
tRAL
tRCS
tRCH
tRRH
tWCH
tWP
tRWL
tCWL
tDS
tDH
tREF
tWCS
tCWD
tAWD
tCPWD
-5
Min
Max
90
133
50
18
30
5
5
18
1
50
30
50
10K
18
45
13
10K
18
32
13
20
10
5
8
0
10
30
0
0
-2
10
10
20
13
-2
15
64
0
36
48
53
Max
20
20
31
20
24
-6
Min
110
155
5
5
1
40
60
20
55
15
18
13
10
5
8
0
10
35
0
0
-2
10
10
20
15
-2
15
0
40
55
60
Max
60
20
35
20
50
10K
10K
40
25
64
Unit
pF
pF
pF
pF
pF
Unit Note
ns
ns
ns
3,4
ns 3,4,5,11
ns 3,10,11
ns
3,11
ns
6,11
ns
2
ns
ns
ns
11
ns
11
ns
ns
4,11
ns
10,11
ns
11
ns
11
ns
11
ns
12
ns
12
ns
11
ns
ns
8
ns
8,11
ns
ns
ns
11
ns
15
ns
9,11
ns
9,11
ms
ns
7
ns
7,15
ns
7
ns
7