
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
(ns)
TYPE
DRAWING
3-17
WS57C256F
NOTE: 11. The actual part marking will not include the initials "WS."
*SMD product. See section 4 for DESC SMD number.
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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