CY7C265
Logic Block Diagram
Pin Configurations
DIP/Flatpack
Top View
A
12
A
11
A
10
A
9
A
8
A
7
A
6
A
5
A
5
A
4
A
3
A
2
A
1
A
0
CLK
PROGRAMMABLE
MULTIPLEXER
COLUMN
ADDRESS
ADDRESS
DECODER
ROW
ADDRESS
PROGRAMMABLE
ARRAY
COLUMN
MULTIPLEXER
O
7
A
7
A
6
A
5
A
4
A
3
A
2
GND
CLK
A
1
A
0
O
0
O
1
O
2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
7C265
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
CC
A
8
A
9
A
10
A
11
A
12
E/E
S
,I
GND
GND
O
7
O
6
O
5
O
4
O
3
O
6
O
5
PROGRAMMABLE
INITIALIZE WORD
8-BIT
EDGE-
TRIGGERED
REGISTER
O
4
O
3
O
2
O
1
O
0
LCC/PLCC (Opaque Only)
Top View
A
4
A
5
A
6
A
7
V
CC
A
8
A
9
4
3
2 1 28 27 26
25
24
23
22
21
20
19
12 13 14 15 16 17 18
O
1
O
2
GND O
3
O
4
O
5
O
6
A
10
A
11
A
12
E/E
S
,I
GND
GND
O
7
INIT/E/E
S
CLK
D
C
O
A
3
A
2
GND
CLK
A
1
A
0
O
0
5
6
7
8
9
10
11
F
Selection Guides
7C265–15
Minimum Address Set-Up Time (ns)
Maximum Clock to Output (ns)
Maximum Operating Current (mA)
Com’l
Mil
15
12
120
140
7C265–25
25
15
120
140
7C265–40
40
20
100
7C265–50
50
25
80
120
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature .................................–65
°
C to +150
°
C
Ambient Temperature with
Power Applied.............................................–55
°
C to +125
°
C
Supply Voltage to Ground Potential ............... –0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State ............................................... –0.5V to +7.0V
DC Input Voltage............................................ –3.0V to +7.0V
DC Program Voltage .....................................................13.0V
UV Exposure.................................................7258 Wsec/cm
2
Static Discharge Voltage ........................................... >2001V
(per MIL-STD-883, Method 3015)
Latch-Up Current..................................................... >200 mA
Operating Range
Range
Commercial
Industrial
Military
Ambient
Temperature
0
°
C to +70
°
C
–40
°
C to +85
°
C
–55
°
C to +125
°
C
V
CC
5V
±10%
5V
±10%
5V
±10%
Notes:
1. Contact a Cypress representative for industrial temperature range spec-
ifications.
2. T
A
is the “instant on” case temperature.
Document #: 38-04012 Rev. **
Page 2 of 13
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