Rainbow Electronics W24257 - Manual (Page 9)

W24257
Publication Release Date: April 1997
- 9 - Revision A11
PACKAGE DIMENSIONS
28-pin P-DIP
Seating Plane
1. Dimension D Max. & S include mold flash or
tie bar burrs.
2. Dimension E1 does not include interlead flash.
3. Dimension D & E1 include mold mismatch and
are determined at the mold parting line.
6. General appearance spec. should be based on
final visual inspection spec.
.
1.63 1.47 0.064 0.058
Notes:
Symbol
Min. Nom. Max. Max. Nom. Min.
Dimension in Inches Dimension in mm
A
B
c
D
e
A
L
S
A
A
1
2
E
0.060 1.52
0.210 5.33
0.010
0.150
0.016
0.155
0.018
0.160
0.022
3.81
0.41
0.25
3.94
0.46
4.06
0.56
0.008
0.120
0.670
0.010
0.130
0.014
0.140
0.20
3.05
0.25
3.30
0.36
3.56
0.540 0.550 0.545 13.72 13.97 13.84
17.02
15.24 14.99 15.49 0.600 0.590 0.610
2.29 2.54 2.79 0.090 0.100 0.110
B
1
1
e
E
1
a
1.460 1.470 37.08 37.34
0 15
0.090 2.29
0.650 0.630 16.00 16.51
4. Dimension B1 does not include dambar
protrusion/intrusion.
5. Controlling dimension: Inches.
15 0
e A
2 A
a
c
E
Base Plane 1 A
1 e
L
A
S
1 E
D
1 B
B
28
1
15
14
28-pin P-DIP Skinny
1. Dimension D Max. & S include mold flash or
tie bar burrs.
2. Dimension E1 does not include interlead flash.
3. Dimension D & E1 include mold mismatch and
are determined at the mold parting line.
6. General appearance spec. should be based on
final visual inspection spec.
1.63 1.47 0.064 0.058
Notes:
Symbol
Min. Nom. Max. Max. Nom. Min.
Dimension in Inches Dimension in mm
A
B
c
D
e
A
L
S
A
A
1
2
E
0.060 1.52
0.175 4.45
0.010
0.125
0.016
0.130
0.018
0.135
0.022
3.18
0.41
0.25
3.30
0.46
3.43
0.56
0.008
0.120
0.370
0.010
0.130
0.014
0.140
0.20
3.05
0.25
3.30
0.36
3.56
0.293 0.288 0.283 7.44 7.32 7.19
9.40
7.87 7.62 8.13 0.310 0.300 0.320
2.29 2.54 2.79 0.090 0.100 0.110
B
1
1
e
E
1
a
1.388 1.400 35.26 35.56
0° 15°
0.055 1.40
0.350 0.330 8.38 8.89
15° 0°
4. Dimension B1 does not include dambar
protrusion/intrusion.
5. Controlling dimension: Inches.
e A
A
a
c
E
Base Plane
Mounting Plane
1 A
1 e
L
A
S
1 E
D
1 B
B
28 15
1 14
2