CY7C261
CY7C263/CY7C264
DIP/Flatpack
Top View
A
7
A
6
A
5
A
4
/A
2
1
A
3
/ A
11
A
2
/A
10
A
1
/A
9
A
0
/A
8
D
0
D
1
D
2
GND
1
2
3
4
5
6
7
8
9
24
23
22
21
20
19
18
7C261 17
V
CC
VFY
PGM
LATCH
CS
V
PP
NA
D
7
D
6
D
5
D
4
D
3
A
4
/A
12
A
3
/A
11
A
2
/A
10
A
1
/A
9
A
0
/A
8
NC
D
0
LCC/PLCC (Opaque only)
Top View
VFY
PGM
LATCH
CS
V
PP
NA
NC
D
7
D
6
D5
A5
A6
A7
NC
VCC
GND
D1
D2
7C263 16
10 7C264 15
11
12
14
13
4 3 2 1 28 27 26
25
5
24
6
7C261
23
7
22
8
21
9
7C263
20
10
19
11
13 14 15 16 17 18
12
NC
D3
D4
Figure 1. Programming Pinouts
Programming Information
Programming support is available from Cypress as well as
from a number of third-party software vendors. For detailed
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.
Document #: 38-04010 Rev. *B
Page 6 of 14
CYPRESS [ CYPRESS SEMICONDUCTOR ]
