CY7C225A-40LMB Cypress Semiconductor Corp, CY7C225A-40LMB Datasheet - Page 5

• Manufacturer Part Number: CY7C225A-40LMB
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C225A-40LMB

• Density: 4Kb
• Organization: 512x8
• Access Time (max): 25ns
• Operating Current: 120mA
• Interface Type: Parallel
• Package Type: LCC
• Operating Temperature Classification: Military
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -55C to 125C
• Pin Count: 28
• Mounting: Surface Mount
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-04001 Rev. *C
Programming Information
Programming support is available from Cypress as well as
from a number of third-party software vendors. For detailed
Table 1. Mode Selection
Note
8. X = “don’t care” but not to exceed V
Mode
Read
Output Disable
Output Disable
Clear
Preset
Program
Program Verify
Program Inhibit
Intelligent Program
Blank Check
Read or Output Disable
Other
CC
GND
D
D
D
A
A
A
A
A
A
A
A
±5%.
7
6
5
4
3
2
1
0
0
1
2
Top View
1
2
3
4
5
6
7
8
9
10
11
12
DIP
24
23
22
21
20
19
18
17
16
15
14
13
A
A
A
A
A
A
A
A
A
A
A
A–A
Figure 1. Programming Pinouts
8
8
8
8
8
8
8
8
8
8
8
–A
–A
–A
–A
–A
–A
–A
–A
–A
–A
–A
V
A
PS
E
V
VFY
PGM
D
D
D
D
D
CC
PP
8
7
6
5
4
3
0
0
0
0
0
0
0
0
0
0
0
0
PGM
V
V
V
V
V
CP
IHP
IHP
IHP
X
X
X
X
X
ILP
ILP
programming information, including a listing of software
packages, please see the PROM Programming Information
located at the end of this section. Programming algorithms can
be obtained from any Cypress representative.
V
V
V
VFY
V
V
V
V
V
V
E
X
IHP
IHP
IHP
ILP
ILP
IH
IL
IL
IL
S
NC
A
A
A
A
A
D
4
3
2
1
0
0
5
6
7
8
9
10
11
Pin Function
12
LCC/PLCC
4
Top View
1314151617
CLR
V
V
V
V
V
V
V
V
V
V
3 2 1
V
PP
PP
PP
PP
PP
PP
IH
IH
IH
IH
IL
28
27
18
26
[8]
25
24
23
22
21
20
19
V
V
V
V
V
V
V
V
V
E
E
X
IHP
IHP
IHP
IHP
IHP
IH
IL
IL
IL
E
V
VFY
PGM
NC
D
D
PP
7
6
V
V
V
V
V
V
V
V
V
PS
PS
V
IHP
IHP
IHP
IHP
IHP
IH
IH
IH
IH
IL
CY7C225A
Page 5 of 10
O
O
O
D
High Z
High Z
D
High Z
D
Zeros
Zeros
Ones
7
7
7
7
7
7
−O
−D
−O
−D
−O
−D
0
0
0
0
0
0
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