KMM372F803BK SAMSUNG [Samsung semiconductor], KMM372F803BK Datasheet - Page 4
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KMM372F803BK
Manufacturer Part Number
KMM372F803BK
Description
8M x 72 DRAM DIMM with ECC using 8Mx8, 4K 8K Refresh, 3.3V
Manufacturer
SAMSUNG [Samsung semiconductor]
Datasheet
1.KMM372F803BK.pdf
(20 pages)
DRAM MODULE
CAPACITANCE
AC CHARACTERISTICS
Test condition : V
Input capacitance[A0, B0, A1 - A12]
Input capacitance[W0, W2, OE0, OE2]
Input capacitance[RAS0, RAS2]
Input capacitance[CAS0, CAS4]
Input/Output capacitance[DQ0 - 71]
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
OE to output in Low-Z
Output buffer turn-off delay from CAS
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 referenced to CAS
Read command hold referenced to RAS
Write command set-up time
Write command hold time
Write command pulse width
Write command to RAS lead time
Write command to CAS lead time
Data set-up time
Data hold time
Refresh period(4K & 8K)
CAS to W delay time
RAS to W delay time
Parameter
ih
Item
/V
il
=2.2/0.7V, V
(T
A
= 25 C, f = 1MHz)
(0 C T
oh
/V
ol
=2.0/0.8V, output loading CL=100pF
A
70 C, V
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
t
t
t
t
t
t
t
t
t
t
Symbol
RC
RWC
RAC
CAC
AA
CLZ
OLZ
CEZ
T
RP
RAS
RSH
CSH
CAS
RCD
RAD
CRP
ASR
RAH
ASC
CAH
RAL
RCS
RCH
RRH
WCS
WCH
WP
RWL
CWL
DS
DH
REF
CWD
RWD
Symbol
C
C
C
C
C
IN1
IN2
IN3
IN4
DQ
CC
=3.3V 0.3V. See notes 1,2.)
Min
128
84
30
50
13
36
15
10
10
30
13
13
33
68
-2
-2
8
8
8
1
8
5
5
0
7
0
0
0
7
7
7
-5
Min
-
-
-
-
-
Max
10K
10K
50
18
30
18
50
32
20
64
Min
104
153
40
60
15
38
10
18
13
10
10
35
10
10
15
10
15
38
82
-2
-2
8
8
8
1
5
8
0
0
0
0
KMM372F80(8)3BK/BS
Max
-6
20
20
45
20
17
Max
10K
10K
60
20
35
18
50
40
25
64
Unit
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
pF
pF
pF
pF
pF
3,4,5,13
3,10,13
6,11,13
3,4,10
Note
10,13
3,13
3,13
4,13
8,13
9,13
9,13
7,13
13
13
13
13
13
13
13
2
8
7
7