CY7C265-50DMB Ver la hoja de datos (PDF) - Cypress Semiconductor

Número de pieza

componentes Descripción

Lista de partido

CY7C265-50DMB

8K x 8 Registered PROM

Cypress Semiconductor 

CY7C265

Table 1. Mode Selection

Read or Output Disable

Mode

Other

Asynchronous Enable Read

Synchronous Enable Read

Asynchronous Initialization Read

Program Memory

Program Verify

Program Inhibit

Program Synchronous Enable

Program Initialize

Program Initial Byte

Read or Output Disable

Mode

Other

Asynchronous Enable Read

Synchronous Enable Read

Asynchronous Initialization Read

Program Memory

Program Verify

Program Inhibit

Program Synchronous Enable

Program Initialize

Program Initial Byte

A12

A12

A12

A12

A12

A12

A12

A12

VIHP

VILP

A12

A11

A11

A11

A11

A11

A11

A11

A11

VIHP

VIHP

VILP

Pin Function

A10–A7

A10–A7

A10–A7

A10–A7

A10–A7

A10–A7

A10–A7

A10–A7

A10–A7

A10–A7

A10 – A7

A6

A5

A6

A5

A6

A5

A6

A5

A6

A5

A6

A5

A6

A5

A6

A5

VIHP

VPP

VIHP

VPP

VIHP

VPP

A1

A0

A1

A0

A1

A0

A1

A0

A1

A0

A1

A0

A1

A0

A1

A0

VPP VILP

VPP VILP

VPP VIHP

GND

PGM

GND

GND

GND

VILP

VIHP

VIHP

VILP

VILP

VILP

Pin Function

CLK

GND

CLK

VFY

VIL

VIL/VIH

VIL

VILP

VILP

VILP

VILP

VILP

VILP

GND

GND

GND

VIHP

VILP

VIHP

VIHP

VIHP

VIHP

A4–A3

A4–A3

A4–A3

A4–A3

A4–A3

A4–A3

A4–A3

A4–A3

A4–A3

A4–A3

A4–A3

A2

A2

A2

A2

A2

A2

A2

A2

VIHP

VILP

VILP

E, I

O7–O0

VPP

D7–D0

VIL

O7–O0

VIL

O7–O0

VIL

O7–O0

VPP

D7–D0

VPP

O7–O0

VPP

High Z

VPP

D7–D0

VPP

D7–D0

VPP

D7–D0

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

Figure 1. Programming Pinout

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. *A

Page 6 of 11

Share Link: