NM27C256VE150 datasheet(2/11 Pages) FAIRCHILD

Part #	NM27C256VE150

Description	262,144-Bit (32K x 8) High Performance CMOS EPROM

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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Connection Diagrams

Commercial Temp. Range (0

°C to +70°C)

VCC = 5V ±10%

Parameter/Order Number

Access Time (ns)

NM27C256 Q, N, V 90

90

NM27C256 Q, N, V 100

100

NM27C256 Q, N, V 120

120

NM27C256 Q, N, V 150

150

NM27C256 Q, N, V 200

200

Extended Temp. Range (-40

°C to +85°C)

V

CC = 5V ±10%

Parameter/Order Number

Access Time (ns)

NM27C256 QE, NE, VE 120

120

NM27C256 QE, NE, VE 150

150

NM27C256 QE, NE, VE 200

200

Note: Surface mount PLCC package available for commercial and extended

temperature ranges only.

Package Types: NM27C256 Q, N, V XXX

Q = Quartz-Windowed Ceramic DIP

N = Plastic OTP DIP

V = Surface-Mount PLCC

• All Packages conform to the JEDEC standard.

• All versions are guaranteed to function for slower speeds.

Pin Names

Symbol

Description

A0–A14

Addresses

CE/PGM

Chip Enable/Program

OE

Output Enable

O0–O7

Outputs

XX

Don’t Care (during Read)

PLCC

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

VPP

A12

A7

A6

A5

A4

A3

A2

A1

A0

O0

O1

O2

GND

A19

A16

A15

A12

A7

A6

A5

A4

A3

A2

A1

A0

O0

O1

O2

GND

27C080 27C040

27C040

XX/VPP

A16

A15

A12

A7

A6

A5

A4

A3

A2

A1

A0

O0

O1

O2

GND

DlP

NM27C256

VCC

A14

A13

A8

A9

A11

OE

A10

CE/PGM

O7

O6

O5

O4

O3

A15

A12

A7

A6

A5

A4

A3

A2

A1

A0

O0

O1

O2

GND

27C512

XX/VPP

A16

A15

A12

A7

A6

A5

A4

A3

A2

A1

A0

O0

O1

O2

GND

27C010

XX/VPP

A16

A15

A12

A7

A6

A5

A4

A3

A2

A1

A0

O0

O1

O2

GND

27C020

27C010

VCC

XX/PGM

A17

A14

A13

A8

A9

A11

OE

A10

CE

O7

O6

O5

O4

O3

27C080

VCC

A18

A17

A14

A13

A8

A9

A11

OE/VPP

A10

CE/PGM

O7

O6

O5

O4

O3

VCC

A18

A17

A14

A13

A8

A9

A11

OE

A10

CE/PGM

O7

O6

O5

O4

O3

VCC

XX/PGM

XX

A14

A13

A8

A9

A11

OE

A10

CE

O7

O6

O5

O4

O3

VCC

A14

A13

A8

A9

A11

OE/VPP

A10

CE/PGM

O7

O6

O5

O4

O3

Note: Compatible EPROM pin configurations are shown in the blocks adjacent to the NM27C256 pins.

A8

A9

A11

XX

OE

A10

CE/PGM

O7

O6

A6

A5

A4

A3

A2

A1

A0

XX

O0

5

6

7

8

9

10

11

12

13

29

28

27

26

25

24

23

22

21

14 15 16 17 18 19 20

4

3

2

1 32 31 30

DS010833-2

DS010833-3

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