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LH521028A Datenblatt(PDF) 7 Page - Sharp Corporation

Teilenummer LH521028A
Bauteilbeschribung  CMOS 64K x 18 Static RAM
PDF  15 Pages
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Hersteller  SHARP [Sharp Corporation]
Direct Link  http://sharp-world.com/
Logo SHARP - Sharp Corporation

LH521028A Datenblatt(HTML) 7 Page - Sharp Corporation

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AC ELECTRICAL CHARACTERISTICS
1 (Over Operating Range)
SYMBOL
DESCRIPTION
–1 5
–17
–20
–25
–35
UNITS
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
READ CYCLE
tRC
Read Cycle Timing
15
17
20
25
35
ns
tAA
Address Access Time
15
17
20
25
35
ns
tASL
Address Setup to Latch Enable
2222
2
ns
tAHL
Address Hold from Latch Enable
3344
4
ns
tLEA
Latch Enable to Data Valid
16
18
21
26
36
ns
tLHM
Latch Enable High Pulse Width
5555
5
ns
tOH
Output Hold from Address Change
4444
4
ns
tLH
Output Hold from Latch High
4.5
4.5
4.5
4.5
4.5
ns
tEA
E Low to Valid Data
15
17
20
25
35
ns
tELZ
E Low to Output Active
2,3
3333
3
ns
tEHZ
E High to Output High-Z
2,3
9
101012
20
ns
tSA
S Low to Valid Data
7
8
10
12
20
ns
tSLZ
S Low to Output Active
2,3
2223
3
ns
tSHZ
S High to Output High-Z
2,3
10
10
10
12
20
ns
tGA
G Low to Valid Data
7
8
9
12
20
ns
tGLZ
G Low to Output Active
2,3
0000
0
ns
tGHZ
G High to Output High-Z
2,3
7
8
8
10
20
ns
tRCS
Read Setup from W High
0000
0
ns
tRCH
Read Hold from W Low
0000
0
ns
tPU
E LOW to Power Up Time
3
0000
0
ns
tPD
E HIGH to Power Down Time
3
15
17
20
25
35
ns
tWA
Access Time From Write Enable HIGH
18
20
20
25
35
ns
WRITE CYCLE
tWC
Write Cycle Time
15
17
20
25
35
ns
tEW
E Low to End of Write
11
12
13
20
30
ns
tSW
S LOW to End of Write
7
8
10
20
30
ns
tAW
Address Valid to End of Write
11
12
13
20
30
ns
tAS
Address Setup to Start of Write
0000
0
ns
tAH
Address Hold from End of Write
0000
0
ns
tASL
Address Setup to Latch Enable
2222
2
ns
tAHL
Address Hold from Latch Enable
3344
4
ns
tLHW
Latch Hold from W High
0000
0
ns
tLHM
Latch Enable HIGH Pulse Width
5555
5
ns
tWP
W Pulse Width
11
12
13
20
30
ns
tDW
Input Data Setup Time
7
8
9
10
15
ns
tDH
Input Data Hold Time
0000
0
ns
tWHZ
W Low to Output High-Z
2,3
7
8
8
10
14
ns
tWLZ
W High to Output Active
2,3
3333
3
ns
NOTES:
1.
AC Electrical Characteristics specified at ‘AC Test Conditions’ levels.
2.
Active output to High-Z and High-Z to output active tests specified for a
±500 mV transition from steady state levels into the test load.
CLoad = 5 pF.
3.
Guaranteed but not tested.
CMOS 64K
×× 18 Static RAM
LH521028A
7



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