km4132g271a-8 Samsung Semiconductor, Inc., km4132g271a-8 Datasheet - Page 6
km4132g271a-8
Manufacturer Part Number
km4132g271a-8
Description
128k 32bit Banks Synchronous Graphic
Manufacturer
Samsung Semiconductor, Inc.
Datasheet
1.KM4132G271A-8.pdf
(48 pages)
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KM4132G271A
AC OPERATING TEST CONDITIONS
AC CHARACTERISTICS
Note :
AC input levels
Input timing measurement reference level
Input rise and fall time(See note 3)
Output timing measurement reference level
Output load condition
CLK cycle time
CLK to valid
output delay
Output data
hold time
CLK high pulse width
CLK low pulse width
Input setup time
Input hold time
CLK to output in Low-Z
CLK to output
in Hi-Z
Output
1. Parameters depend on programmed CAS latency.
2. If clock rising time is longer than 1ns, (tr/2-0.5)ns should be added to the parameter.
3. Assumed input rise and fall time (tr & tf)=1ns.
If tr & tf is longer than 1ns, transient time compensation should be considered,
i.e., [(tr + tf)/2-1]ns should be added to the parameter.
(Fig. 1) DC Output Load Circuit
870 §Ù
Parameter
Parameter
CAS Latency=3
CAS Latency=2
CAS Latency=3
CAS Latency=2
CAS Latency=3
CAS Latency=2
CAS latency=3
CAS latency=2
(AC operating conditions unless otherwise noted)
3.3V
1200 §Ù
30pF
Symbol
t
t
t
t
t
t
t
SAC
t
t
SHZ
SLZ
CC
OH
CH
SH
CL
SS
V
V
OH
OL
(DC) = 0.4V, I
(DC) = 2.4V, I
(V
DD
Min
2.5
12
8
3
3
3
3
1
1
= 3.3V ¡¾ 0.3V, T
-
-
-
-
-8
OL
1000
OH
Max
10
10
7
7
= 2mA
= -2mA
A
= 0 to 70 ¡É )
Min
3.5
3.5
10
13
3
3
3
1
1
-
-
-
-
-10
Output
* All AC parameters are measured from half to half.
1000
Max
11
11
7
7
V
IH
(Fig. 2) AC Output Load Circuit
/V
t
R
/
See Fig. 2
IL
t
Min
F
1.5
12
15
Value
3
3
4
4
3
1
= 2.4V / 0.4V
=1ns/ 1ns
-
-
-
-
1.4V
1.4V
Rev.0 (August 1997)
-12
Z0=50 §Ù
1000
Max
CMOS SGRAM
12
12
9
9
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
50 §Ù
30pF
REF
=1.4V
Note
1, 2
1
2
3
3
3
3
2
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