KMM5361203C2W SAMSUNG [Samsung semiconductor], KMM5361203C2W Datasheet - Page 7
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KMM5361203C2W
Manufacturer Part Number
KMM5361203C2W
Description
1M x 36 DRAM SIMM using 1Mx16 and 1Mx4 Quad CAS, 1K Refresh
Manufacturer
SAMSUNG [Samsung semiconductor]
Datasheet
1.KMM5361203C2W.pdf
(17 pages)
DRAM MODULE
AC CHARACTERISTICS
Test condition : V
NOTES
Fast page mode cycle time
CAS precharge time(Fast page cycle)
RAS pulse width(Fast page cycle)
W to RAS precharge time(C-B-R refresh)
W to RAS hold time(C-B-R refresh)
Hold time CAS low to CAS
6.
1.
2.
3.
4.
5.
An initial pause of 200us is required after power-up followed
by any 8 RAS-only or CAS-before-RAS refresh cycles before
proper device operation is achieved.
V
timing of input signals. Transition times are measured
between V
for all inputs.
Measured with a load equivalent to 2 TTL loads and 100pF.
Operation within the
can be met.
If
access time is controlled exclusively by
Assumes that
This parameter defines the time at which the output achieves
the open circuit condition and is not referenced to V
V
IH
OL
t
(min) and V
RCD
.
is greater than the specified
ih
IH
Parameter
/V
(min) and V
t
RCD
il
t
=2.4/0.8V, V
RCD
IL
(max) is specified as a reference point only.
(max) are reference levels for measuring
t
RCD
t
RCD
IL
(max).
(max) and are assumed to be 5ns
(max) limit insures that
oh
(0 C T
/V
ol
=2.4/0.4V, Output loading CL=100pF
A
70 C, V
t
RCD
t
CAC
t
t
t
t
t
t
(max) limit, then
Symbol
PC
CP
RASP
WRP
WRH
CLCH
.
CC
=5.0V 10%. See notes 1,2.)
t
RAC
(max)
OH
- 7 -
Min
or
35
10
50
10
10
20
10.
11.
7.
8.
9.
-5
t
the data sheet as electrical characteristic s only. If
t
data out pin will remain high impedance for the duration of
the cycle.
Either
These parameter are referenced to the CAS leading edge in
early write cycles.
Operation within the
can be met.
t
access time is controlled by
In order to hold the address latched by the first CAS going
low, the parameter
WCS
WCS
RAD
200K
Max
is non-restrictive operating parameter. It is included in
is greater than the specified
t
t
WCS
RCH
(min), the cycle is an early write cycle and the
or
t
KMM5361203C2W/C2WG
RAD
t
RRH
(max) is specified as reference point only. If
Min
40
10
60
10
10
5
must be satisfied for a read cycle.
t
CLCH
t
RAD
-6
(max) limit insures that
must be met.
t
AA
200K
Max
.
Rev. 0.0 (Nov. 1997)
t
RAD
Unit
(max) limit, then
ns
ns
ns
ns
ns
ns
t
RAC
Note
11
(max)