CY7C265-40(2006) View Datasheet(PDF) - Cypress Semiconductor

Part Name

Description

MFG CO.

CY7C265-40
(Rev.:2006)

8K x 8 Registered PROM

Cypress Semiconductor 

CY7C265

Figure 1. Programming Pinout

DIP/Flatpack

A7 1

A6 2

A5 3

A4 4

A3 5

A2 6

PGM 7

CLK 8

A1 9

A0 10

D0 11

D1 12

D2 13

GND 14

28 VCC

27 A8

26 A9

25 A10

24 A11

23 A12

22 VPP

21 NA

20 VFY

19 D7

18 D6

17 D5

16 D4

15 D3

LCC/PLCC (Opaque Only)

A3

A2

PGM

CLK

A1

A0

D0

4 3 2 1 28 27 26

5

25

6

24

7

23

8

22

9

21

10

20

11

19

12 1314151617 18

A10

A11

A12

VPP

NA

VFY

D7

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 #: 38-04012 Rev. *B

Page 7 of 13

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