ORDERING INFORMATION

OPERATING

WSI

PART NUMBER

TEMPERATURE MANUFACTURING

RANGE

PROCEDURE

WS57C256F-35C

35

32 Pad CLLCC

C2

Comm’l

Standard

WS57C256F-35D

35

28 Pin CERDIP, 0.6"

D2

Comm’l

Standard

WS57C256F-35J

35

32 Pin PLDCC

J4

Comm’l

Standard

WS57C256F-35L

35

32 Pin CLDCC

L3

Comm’l

Standard

WS57C256F-35P

35

28 Pin Plastic DIP, 0.6"

P3

Comm’l

Standard

WS57C256F-35T

35

28 Pin CERDIP, 0.3"

T2

Comm’l

Standard

WS57C256F-45C

45

32 Pad CLLCC

C2

Comm’l

Standard

WS57C256F-45D

45

28 Pin CERDIP, 0.6"

D2

Comm’l

Standard

WS57C256F-45P

45

28 Pin Plastic DIP, 0.6"

P3

Comm’l

Standard

WS57C256F-45T

45

28 Pin CERDIP, 0.3"

T2

Comm’l

Standard

WS57C256F-55C

55

32 Pad CLLCC

C2

Comm’l

Standard

WS57C256F-55CMB

55

32 Pad CLLCC

C2

Military

MIL-STD-883C

WS57C256F-55D

55

28 Pin CERDIP, 0.6"

D2

Comm’l

Standard

WS57C256F-55DM

55

28 Pin CERDIP, 0.6"

D2

Military

Standard

WS57C256F-55DMB

55

28 Pin CERDIP, 0.6"

D2

Military

MIL-STD-883C

WS57C256F-55J

55

32 Pin PLDCC

J4

Comm’l

Standard

WS57C256F-55L

55

32 Pin CLDCC

L3

Comm’l

Standard

WS57C256F-55P

55

28 Pin Plastic DIP, 0.6"

P3

Comm’l

Standard

WS57C256F-55T

55

28 Pin CERDIP, 0.3"

T2

Comm’l

Standard

WS57C256F-55TMB

55

28 Pin CERDIP, 0.3"

T2

Military

MIL-STD-883C

WS57C256F-70CMB

*

70

32 Pad CLLCC

C2

Military

MIL-STD-883C

WS57C256F-70D

70

28 Pin CERDIP, 0.6"

D2

Comm’l

Standard

WS57C256F-70DMB

*

70

28 Pin CERDIP, 0.6"

D2

Military

MIL-STD-883C

WS57C256F-70J

70

32 Pin PLDCC

J4

Comm’l

Standard

WS57C256F-70JI

70

32 Pin PLDCC

J4

Industrial

Standard

WS57C256F-70T

70

28 Pin CERDIP, 0.3"

T2

Comm’l

Standard

SPEED

PACKAGE

PACKAGE

(ns)

TYPE

DRAWING

3-17

WS57C256F

NOTE: 11. The actual part marking will not include the initials "WS."

PROGRAMMING/ALGORITHMS/ERASURE/PROGRAMMERS

REFER TO

PAGE 5-1

The WS57C256F is programmed using Algorithm D shown on page 5-9.

When using Data I/O programmers, algorithm 57C256FB is recommended for use with the

WS57C256F for best programming results.

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