CY7C245A-25SC datasheet(3/12 Pages) CYPRESS

Part #	CY7C245A-25SC

Description	2K x 8 Reprogrammable Registered PROM

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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CY7C245A

Document #: 38-04007 Rev. *D

Page 3 of 12

MILITARY SPECIFICATIONS

Group A Subgroup Testing

Note:

1. X = “don’t care” but not to exceed VCC + 5%.

Table 1. Mode Selection

Mode

Read or Output Disable

Pin Function[1]

A10–A4

A3

A2–A1

A0

CP

E, ES

INIT

O7–O0

Other

A10–A4

A3

A2–A1

A0

PGM

VFY

VPP

D7–D0

Read

A10–A4

A3

A2–A1

A0

VIL/VIH

VIL

VIH

O7–O0

Output Disable

A10–A4

A3

A2–A1

A0

XVIH

VIH

High Z

Initialize

A10–A4

A3

A2–A1

A0

XVIL

VIL

Init. Byte

Program

A10–A4

A3

A2–A1

A0

VILP

VIHP

VPP

D7–D0

Program Verify

A10–A4

A3

A2–A1

A0

VIHP

VILP

VPP

O7–O0

Program Inhibit

A10–A4

A3

A2–A1

A0

VIHP

VPP

High Z

Intelligent Program

A10–A4

A3

A2–A1

A0

VILP

VIHP

VPP

D7–D0

Program Synchronous Enable

A10–A4

VIHP

A2–A1

VPP

VILP

VIHP

VPP

High Z

Program Initialization Byte

A10–A4

VILP

A2–A1

VPP

VILP

VIHP

VPP

D7–D0

Blank Check Zeros

A10–A4

A3

A2–A1

A0

VIHP

VILP

VPP

Zeros

1

2

3

4

5

6

7

8

9

10

11

12

16

17

18

19

20

24

23

22

21

13

14

A8

A7

A6

A5

A4

A3

A2

A1

A0

D0

D1

D2

GND

VCC

D7

D6

D4

D5

D3

15

A9

A10

VPP

VFY

PGM

28

4

5

6

7

8

9

10

32 1

27

1314151617

26

25

24

23

22

21

20

11

12

19

D0

18

NC

A0

A4

A3

D7

D6

A2

A1

A10

VPP

VFY

PGM

NC

DIP Top View

LCC/PLCC (Opaque Only) Top View

Figure 1. Programming Pinouts

DC Characteristics

Parameter

Subgroups

VOH

1, 2, 3

VOL

1, 2, 3

VIH

1, 2, 3

VIL

1, 2, 3

IIX

1, 2, 3

IOZ

1, 2, 3

ICC

1, 2, 3

SMD Cross Reference

SMD Number

Suffix

Cypress Number

5962-88735

033X

CY7C245A-25LMB

5962-88735

04LX

CY7C245A-25DMB

Switching Characteristics

Parameter

Subgroups

tSA

7, 8, 9, 10, 11

tHA

7, 8, 9, 10, 11

tCO

7, 8, 9, 10, 11

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