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コンピュータ・ハードウェア Cypress Semiconductor CY7C131AのPDF 仕様書をオンラインで閲覧またはダウンロードできます。Cypress Semiconductor CY7C131A 20 ページ。 1k x 8 dual-port static ram
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Pin Definitions
Left Port
CE
CE
L
R/W
R/W
L
OE
OE
L
A
–A
A
0L
11/12L
0R
I/O
–I/O
I/O
0L
15/17L
INT
INT
L
BUSY
BUSY
L
V
CC
GND
Selection Guide
Parameter
Maximum Access Time
Maximum Operating
Com'l/Ind
Current
Maximum Standby
Com'l/Ind
Current
Shaded areas contain preliminary information.
Note
4. 15 and 25 ns version available only in PLCC/PQFP packages.
Document #: 38-06002 Rev. *E
Right Port
Chip Enable
R
Read/Write Enable
R
Output Enable
R
–A
Address
11/12R
–I/O
Data Bus Input/Output
0R
15/17R
Interrupt Flag
R
Busy Flag
R
Power
Ground
[4]
7C131-15
7C131-25
7C131A-15
7C141-25
7C141-15
15
25
190
170
75
65
Description
7C130-30
7C130-35
7C130A-30
[4]
7C131-35
7C131-30
7C140-35
7C140-30
7C141-35
7C141-30
30
35
170
120
65
45
CY7C130, CY7C130A
CY7C131, CY7C131A
CY7C140, CY7C141
7C130-45
7C130-55
7C131-45
7C131-55
Unit
7C140-45
7C140-55
7C141-45
7C141-55
45
55
120
110
mA
45
35
mA
Page 3 of 19
ns
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