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1
pkg_5.4
Package Diagrams
16-Ball WLCS Package Option 2: iCE40 UltraLite
TM
Dimensions in Millimeters
(4X)
aaa
BOTTOM VIEW
ddd M C A B
eee M C
TOP VIEW
A
ccc C
C
SIDE VIEW
A
1
NOTES:
1. ALL DIMENSIONS AND TOLERANCE PER ASME Y 14.5M - 1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS.
3
DIMENSION “b” IS MEASURES AT THE MAXIMUM BUMP DIAMETER
PARALLEL TO PRIMARY DATUM C.
PRIMARY DATUM C AND SEATING PLANE ARE DEFINED BY THE
SPHERICAL CROWNS OF THE SOLDER BUMPS.
BILATERAL TOLERANCE ZONE IS APPLIED TO EACH SIDE OF THE
PACKAGE BODY.
4
5
2
Package Diagrams
20-Pin (300-Mil) CERDIP Package
Dimensions in Inches
(DATUM A)
B
N/2
1
4
E
E1
TOP VIEW
N
e/2
DETAIL A
D
4
E3
E
A
A2
A
(DATUM B)
BASE PLANE
C
SEATING PLANE
A1
SIDE VIEW
b2
b
.010 M
C A B
Z
Z
e
L
7
c
E2
b1
WITH
LEAD FINISH
c1
(c)
4X
b3
(b)
BASE METAL
DETAIL A
SECTION Z-Z
S
Y
M
B
O
L
3
NOTES:
1.
DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M.
ALL DIMENSIONS ARE IN INCHES.
MEASUREMENTS TO BE TAKEN AT A MINIMUM OF
.060 INCHES FROM THE LEAD TIP.
DIMENSIONS D AND E1 INCLUDE ALLOWANCE FOR GLASS
OVERRUN AND MENISCUS, AND LID TO BASE MISMATCH.
DIMENSIONS A, A1 AND L ARE MEASURED WITH THE
PACKAGE SEATED IN JEDEC SEATING PLANE GAUGE GS-003.
E3 IS TO BE MEASURED AT THE LEAD TIPS.
ALLOWED LEAD TIP POSITION RANGE.
INCHES
MIN. NOM.
-
-
-
.015
-
.140
-
.015
.015 .018
-
.045
-
.023
-
.008
.008 .010
.942 .950
-
.308
.280 .288
.300 REF
.325
-
.100 BSC
.125
-
20
MAX.
.200
-
.175
.023
.021
.065
.045
.014
.012
.970
.325
.296
.410
.200
A
2.
3.
4.
5.
6.
7.
A1
A2
b
b1
b2
b3
c
c1
D
E
E1
E2
E3
e
L
N
3
Package Diagrams
20-Pin LCC Package
Dimensions in Inches
TOP VIEW
D4
D2
.010
.020
X 45
E2
.030
E4
4
X 45
.050
(3 PLACES)
L (19 PLACES)
BOTTOM VIEW
A1
A
B
3
E
e
.030
.050
RADIUS
(TYPICAL)
L1
D
3
SIDE VIEW
A2
NOTES:
1.
DIMENSIONING AND TOLERANCING PER
ANSI Y14.5.
ALL DIMENSIONS ARE IN INCHES.
DIMENSIONS D AND E MAY HAVE MATERIAL PROTRUSION
OF .010 INCHES MAXIMUM ABOVE THE DIMENSION SHOWN
NOT TO EXCEED .005 INCHES MAXIMUM PER SIDE.
FLATNESS TOLERANCE IS .004 INCHES PER INCH.
S
Y
M
B
O
L
INCHES
MIN.
.054
.064
.007
.022
.342
.200
.270
.342
.200
.270
.315
.050 BSC
.058
.042
.095
.075
.315
.358
MAX.
.074
.089
.015
.028
.358
2.
3.
4.
A
A1
A2
B
D
D2
D4
E
E2
E4
e
L
L1
4
Package Diagrams
20-Pin PLCC Package
Dimensions in Inches
.007
S
H A-B
S
D S
D
D1
-A-B-
.007
.002
6
BOTTOM VIEW
3
S H A-B
A-B S
S D S
TOP VIEW
-D-
4
PIN 1 ID ZONE
2
1
20
D3
-D-
7
6
E E1
-A-
4
D3
-B-
4
7
E3
E3
7
//
.007
.002
S
S H A-B
A-B S
H A-B
S
S D S
.007
S
Y
M
B
O
L
D S
0.050
(N-4PLACES)
A
A1
A2
D
D1
D2
D3
E
E1
E2
E3
N
MIN. NOM. MAX.
.165
.090
.062
.385
.350
.141
.385
.350
.141
.172
.105
-
.390
.353
.155
.075
.390
.353
.155
.075
20
.180
.120
.083
.395
.356
.169
.395
.356
.169
DETAIL "J"
D/E
.021
.013
.0125
.0075
.018
.013
.0105
.0075
SIDE VIEW
8
A
-H-
A1
A2
3
8
-C-
SEATING PLANE
D2/E2
5
.004
A A
D2/E2
5
C
SECTION A-A
.020
(MIN)
NOTES:
1.
2.
3
ALL DIMENSIONS AND TOLERANCES CONFORM TO ANSI Y14.5M-1982
ALL DIMENSIONS IN INCHES
DATUM PLANE -H-
LOCATED AT TOP OF MOLD PARTING LINE AND
COINCIDENT WITH TOP OF LEAD WHERE LEAD EXITS PLASTIC BODY
DATUMS A-B AND -D-
TO BE DETERMINED WHERE CENTER LEADS
EXIT PLASTIC BODY AT DATUM PLANE -H-
TO BE MEASURED AT SEATING PLANE -C-
CONTACT POINT
-A-B-
-D-
4
.032
.026
.045 MIN.
.007
S
H A-B
S
D S
5
6
DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD PROTRUSION.
ALLOWABLE PROTRUSION IS .010 PER SIDE.
-H- ; BOTTOM POINT OF
TOP POINT OF MEASUREMENT IS DATUM
MEASUREMENT IS AT MAJOR FLAT AREA OF LOWER PLASTIC SURFACE
嵌入式系统
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