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L7C109 датащи(PDF) 4 Page - LOGIC Devices Incorporated

номер детали L7C109
подробное описание детали  128K x 8 Static RAM
PDF  15 Pages
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производитель  LODEV [LOGIC Devices Incorporated]
домашняя страница  http://www.logicdevices.com
Logo LODEV - LOGIC Devices Incorporated

L7C109 датащи(HTML) 4 Page - LOGIC Devices Incorporated

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LOGIC Devices Incorporated
www.logicdevices.com
Aug 11, 2010 LDS-L7C108/9-F
1M Static RAMs
4
128K x 8 Static RAM
L7C108
PRELIMINARY INFORMATION
L7C109
SWITCHING CHARACTERISTICS Over Operating Range
READ CYCLE Notes 5, 11, 12, 22, 23, 24 (ns)
L7C108/109
READ CYCLE - ADDRESS CONTROLLED Notes 13, 14
DATA OUT
tAVAV
tPU
tPD
tELQV
HIGH IMPEDANCE
CE
OE
tELQX
tGLQV
tGLQX
DATA VALID
Icc
50%
50%
tGHQZ
tEHQZ
HIGH
IMPEDANCE
READ CYCLE - CE/OE CONTROLLED NOTES 13, 15
ADDRESS
DATA OUT
PREVIOUS DATA VALID
ICC
tAVAV
tPU
tAVQX
tPD
tAVQV
DATA VALID
Symbol Parameter
Read Cycle Time
Address Valid to Output Valid Notes 13, 14
Address Change to Output Change
Chip Enable Low to Output Valid Notes 13, 15
Chip Enable Low to Output Low Z Notes 20, 21
Chip Enable High to Output High Z Notes 20, 21
Output Enable Low to Output Valid
Output Enable Low to Output Low Z Notes 20, 21
Output Enable High to Output High Z Notes 20, 21
Input Transition to Power Up Notes 10, 19
15/15-L 20/20-L 25/25-L 35/35-L 45/45-L
tAVAV
tAV V
tAV X
tEL V
tEL X
tEH Z
tGL V
tGL X
tGH Z
tPU
Min
15
3
3
0
0
Max
15
15
7
8
6
Min
20
3
3
0
0
Max
20
20
8
10
6
Min
25
3
3
0
0
Max
25
25
10
10
10
Min
35
3
3
0
0
Max
35
35
15
15
15
Min
45
3
3
0
0
Max
45
45
20
20
20



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