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KM68512AL-L 데이터시트(PDF) 5 Page - Samsung semiconductor

부품명 KM68512AL-L
상세설명  64Kx8 bit Low Power CMOS Static RAM
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제조업체  SAMSUNG [Samsung semiconductor]
홈페이지  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KM68512AL-L 데이터시트(HTML) 5 Page - Samsung semiconductor

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KM68512A Family
CMOS SRAM
Revision 4.0
January 1997
5
AC CHARACTERISTICS (Vcc=4.5~5.5V, KM68512A Family:TA=0 to 70
°C, KM68512AI Family:TA=-40 to 85°C)
Parameter List
Symbol
Speed Bins
Units
55ns
70ns
Min
Max
Min
Max
Read
Read cycle time
tRC
55
-
70
-
ns
Address access time
tAA
-
55
-
70
ns
Chip select to output
tCO1, tCO2
-
55
-
70
ns
Output enable to valid output
tOE
-
25
-
35
ns
Chip select to low-Z output
tLZ
10
-
10
-
ns
Output enable to low-Z output
tOLZ
5
-
5
-
ns
Chip disable to high-Z output
tHZ
0
20
0
25
ns
Output disable to high-Z output
tOHZ
0
20
0
25
ns
Output hold from address change
tOH
10
-
10
-
ns
Write
Write cycle time
tWC
55
-
70
-
ns
Chip select to end of write
tCW
45
-
60
-
ns
Address set-up time
tAS
0
-
0
-
ns
Address valid to end of write
tAW
45
-
60
-
ns
Write pulse width
tWP
40
-
50
-
ns
Write recovery time
tWR
0
-
0
-
ns
Write to output high-Z
tWHZ
0
20
0
25
ns
Data to write time overlap
tDW
25
-
30
-
ns
Data hold from write time
tDH
0
-
0
-
ns
End write to output low-Z
tOW
5
-
5
-
ns
CL1)
1. Including scope and jig capacitance
AC OPERATING CONDITIONS
TEST CONDITIONS( Test Load and Input/Output Reference)
Input pulse level : 0.8 to 2.4V
Input rising and falling time : 5ns
Input and output reference voltage :1.5V
Output load(see right) : CL=100pF+1TTL
DATA RETENTION CHARACTERISTICS
1. CS1
≥Vcc-0.2V, CS2≥Vcc-0.2V( CS1 controlled) or CS2≤0.2V(CS2 controlled).
Item
Symbol
Test Condition
Min
Typ
Max
Unit
Vcc for data retention
VDR
CS11)
≥Vcc-0.2V
2.0
-
5.5
V
Data retention current
IDR
KM68512AL/L-L
Vcc=3.0V CS1
≥Vcc-0.2V
CS2
≥Vcc-0.2V or CS2≤0.2V
L-Ver
LL-Ver
-
-
1
0.5
50
10
µA
KM68512ALI/LI-L
L-Ver
LL-Ver
-
-
-
-
50
25
Data retention set-up time
tSDR
See data retention waveform
0
-
-
ms
Recovery time
tRDR
5
-
-


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