cym1841c ETC-unknow, cym1841c Datasheet - Page 2

• Manufacturer Part Number: cym1841c
• Description: 256k X 32 Static Ram Module
• Manufacturer: ETC-unknow

Selection Guide
Maximum Access Time (ns)
Maximum Operating
Current (mA)
Maximum Standby
Current (mA)
Shaded area contains preliminary information.
Pin Configurations
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
GND
GND
PD
I/O
I/O
I/O
I/O
I/O
I/O
I/O
CS
CS
V
I/O
WE
A
A
A
A
A
A
CC
A
A
A
1841C-12
14
16
16
17
18
19
10
11
12
13
20
21
22
23
0
0
1
2
3
7
8
9
4
5
6
7
1
3
1600
480
12
ZIP/SIMM
Top View
64-Pin
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
1
3
5
7
9
1841C-15
1841A–3
GND
PD
I/O
I/O
I/O
I/O
A
A
A
I/O
I/O
I/O
I/O
GND
A
CS
CS
A
OE
I/O
I/O
I/O
I/O
A
A
A
V
A
I/O
I/O
I/O
I/O
CC
0
1
2
17
3
4
5
6
1600
15
480
1
8
9
10
11
12
13
14
15
24
25
26
27
28
29
30
31
15
2
4
2
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
GND
GND
CS
CS
PD
PD
I/O
I/O
I/O
I/O
V
I/O
I/O
I/O
I/O
1841A-20
1841C-20
WE
A
A
A
A
A
A
A
NC
NC
CC
A
A
A
14
16
16
17
18
19
10
11
12
13
20
21
22
23
19
3
0
0
1
2
3
7
8
9
4
5
6
7
1
3
1120
480
20
Top View
72-Pin
SIMM
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
1
3
5
7
9
1841A-25
1841C-25
NC
PD
GND
PD
I/O
I/O
I/O
I/O
A
A
A
I/O
I/O
I/O
I/O
GND
A
CS
CS
A
OE
I/O
I/O
I/O
I/O
A
A
A
V
A
I/O
I/O
I/O
I/O
A
NC
960
480
0
1
2
15
17
3
4
5
CC
6
18
25
1841A–2
2
1
8
9
10
11
12
13
14
15
24
25
26
27
28
29
30
31
2
4
1841A-35
1841C-35
960
480
35
CYM1841A
CYM1841C
1841A-45
1841C-45
960
480
45