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Número de pieza | K4S643232H-TC-L55 | |
Descripción | 64Mb H-die (x32) SDRAM | |
Fabricantes | Samsung | |
Logotipo | ||
Hay una vista previa y un enlace de descarga de K4S643232H-TC-L55 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
No Preview Available ! SDRAM 64Mb H-die (x32)
CMOS SDRAM
64Mb H-die (x32) SDRAM Specification
Revision 1.3
February 2004
*Samsung Electronics reserves the right to change products or specification without notice.
- 1 - Rev. 1.3 February. 2004
1 page SDRAM 64Mb H-die (x32)
FUNCTIONAL BLOCK DIAGRAM
CMOS SDRAM
Data Input Register
CLK
ADD
Bank Select
512K x 32
512K x 32
512K x 32
512K x 32
Column Decoder
LCKE
LRAS LCBR
LWE
LCAS
Latency & Burst Length
Programming Register
LWCBR
Timing Register
CLK
CKE
CS
RAS
CAS
WE
LWE
LDQM
DQi
LDQM
DQM
- 5 - Rev. 1.3 February. 2004
5 Page SDRAM 64Mb H-die (x32)
CMOS SDRAM
AC CHARACTERISTICS (AC operating conditions unless otherwise noted)
Parameter
Symbol
CLK cycle time
CAS Latency=3
CAS Latency=2
CLK to valid
output delay
CAS Latency=3
CAS Latency=2
Output data hold time
CLK high pulse
width
CAS Latency=3
CAS Latency=2
CLK low
pulse width
CAS Latency=3
CAS Latency=2
Input setup time
CAS Latency=3
CAS Latency=2
Input hold time
CLK to output in Low-Z
CLK to output
in Hi-Z
CAS latency=3
CAS latency=2
tCC
tSAC
tOH
tCH
tCL
tSS
tSH
tSLZ
tSHZ
50
Min Max
5
1000
10
- 4.5
-6
2-
2-
3-
2-
3-
1.5 -
2.5 -
1-
1-
- 4.5
-6
55
Min Max
5.5
1000
10
- 5.0
-6
2-
2-
3-
2-
3-
1.5 -
2.5 -
1-
1-
- 5.0
-6
60
Min Max
6
1000
10
- 5.5
-6
2-
2.5 -
3-
2.5 -
3-
1.5 -
2.5 -
1-
1-
- 5.5
-6
70
Min Max
7
1000
10
- 5.5
-6
2-
3-
3-
3-
3-
1.75 -
2.5 -
1-
1-
- 5.5
-6
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
1
1, 2
2
3
3
3
3
2
-
Note : 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.
- 11 Rev. 1.3 February. 2004
11 Page |
Páginas | Total 12 Páginas | |
PDF Descargar | [ Datasheet K4S643232H-TC-L55.PDF ] |
Número de pieza | Descripción | Fabricantes |
K4S643232H-TC-L50 | 64Mb H-die (x32) SDRAM | Samsung |
K4S643232H-TC-L55 | 64Mb H-die (x32) SDRAM | Samsung |
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