L7C108/109
DEVICES INCORPORATED
128K x 8 Static RAM (Low Power)
L7C109 ORDERING INFORMATION
32-pin
32-pin — 0.440" wide
1
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
V
CC
16
NC
4
3
2
1
32 31 30
29
2
A
A
A
A
A
A
A
A
A
A
A
0
1
2
3
4
5
6
7
8
9
3
CE
2
5
A
A
A
A
A
A
A
3
4
5
6
7
8
9
WE
WE
4
6
28
27
26
25
24
23
22
21
A
A
A
A
15
14
13
12
A
A
A
A
15
14
13
12
5
7
6
8
7
Top
View
9
8
10
11
12
13
OE
OE
9
A
11
A
11
10
11
12
13
14
15
16
A
10
CE
I/O
1
CE
1
I/O
0
7
I/O
I/O
I/O
I/O
I/O
7
6
5
4
3
A
10
I/O
I/O
I/O
0
1
2
14 15 16 17 18 19 20
GND
Ceramic Leadless Chip Carrier
(K10)
Ceramic SOJ
(Y1)
Speed
0°C to +70°C — COMMERCIAL SCREENING
L7C109KC15*
15 ns
12 ns
10 ns
L7C109KC12*
L7C109KC10*
–40°C to +85°C — COMMERCIAL SCREENING
15 ns
12 ns
10 ns
–55°C to +125°C — COMMERCIAL SCREENING
15 ns
12 ns
L7C109KM15
L7C109KM12
L7C109YM15
L7C109YM12
OBSOLETE
–55°C to +125°C — MIL-STD-883 COMPLIANT
15 ns
12 ns
L7C109KMB15
L7C109KMB12
L7C109YMB15
L7C109YMB12
*The Low Power version is specified by adding the "L" suffix after the speed grade (e.g., L7C109KC10L)
1M Static RAMs
03/04/99–LDS.108/9-N
9