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CY7C131-55JI Datasheet(PDF) 2 Page - Cypress Semiconductor

Part # CY7C131-55JI
Description  1K x 8 Dual-Port Static RAM
Download  19 Pages
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Manufacturer  CYPRESS [Cypress Semiconductor]
Direct Link  http://www.cypress.com
Logo CYPRESS - Cypress Semiconductor

CY7C131-55JI Datasheet(HTML) 2 Page - Cypress Semiconductor

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CY7C130/CY7C131
CY7C140/CY7C141
Document #: 38-06002 Rev. *D
Page 2 of 19
Pin Configuration (continued)
1
Top View
PLCC
OER
A0R
8
9
10
11
12
13
14
15
16
17
18
19
20
46
45
44
43
42
41
40
39
38
37
36
35
34
2122 23 24 25 26 27 28 29 30 31 32 33
7 6 5 4 3 2
52 51 50 49 48 47
A1R
A2R
A3R
A4R
A5R
A6R
A7R
A8R
A9R
NC
I/O7R
A1L
A2L
A3L
A4L
A5L
A6L
A7L
A8L
A9L
I/O0L
I/O1L
I/O2L
I/O3L
7C131
7C141
46
1
2
3
4
5
6
7
8
9
10
11
12
13
39
38
37
36
35
34
33
32
31
30
29
28
27
1415 16 17 18 19 20 21 22 23 24 25 26
52 5150 49 48 47
45 44 43 42 41 40
Top View
PQFP
OER
A0R
A1R
A2R
A3R
A4R
A5R
A6R
A7R
A8R
A9R
NC
I/O7R
A1L
A2L
A3L
A4L
A5L
A6L
A7L
A8L
A9L
I/O0L
I/O1L
I/O2L
I/O3L
7C131
7C141
Pin Definitions
Left Port
Right Port
Description
CEL
CER
Chip Enable
R/WL
R/WR
Read/Write Enable
OEL
OER
Output Enable
A0L–A11/12L
A0R–A11/12R
Address
I/O0L–I/O15/17L
I/O0R–I/O15/17R
Data Bus Input/Output
INTL
INTR
Interrupt Flag
BUSYL
BUSYR
Busy Flag
VCC
Power
GND
Ground
Selection Guide
7C131-15[3]
7C141-15
7C131-25[3]
7C141-25
7C130-30
7C131-30
7C140-30
7C141-30
7C130-35
7C131-35
7C140-35
7C141-35
7C130-45
7C131-45
7C140-45
7C141-45
7C130-55
7C131-55
7C140-55
7C141-55
Unit
Maximum Access Time
15
25
30
35
45
55
ns
Maximum Operating
Current
Com’l/Ind
190
170
170
120
120
110
mA
Military
170
170
120
Maximum Standby
Current
Com’l/Ind
75
65
65
45
45
35
mA
Military
65
65
45
Shaded areas contain preliminary information.
Note:
3. 15 and 25-ns version available only in PLCC/PQFP packages.


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