20PIN 1.95X2.45MM.50 PTH

MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
20 PIN FLIP CHIP CSP
CASE 499A–01
ISSUE O
DATE 05/14/2002
1
SCALE 4:1
4X
0.10 C
TERMINAL A1
LOCATOR
D
Ç
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. COPLANARITY APPLIES TO SPHERICAL
CROWNS OF SOLDER BALLS.
B
DIM
A
A1
A2
D
E
b
e
D1
E1
E
A1
0.10 C
A2
A
0.05 C
MILLIMETERS
MIN
MAX
--0.700
0.210
0.270
0.380
0.430
2.450 BSC
1.950 BSC
0.290
0.340
0.500 BSC
2.000 BSC
1.500 BSC
MARKING
DIAGRAM
C
SEATING
PLANE
ÇÇ
1
XXD
D1
e
XX = Device Code
D
= Date Code
D
20 X
b
0.05 C A B
0.03 C
C
E1
B
e
A
1
2
3
4
5
ON Semiconductor and
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 Semiconductor Components Industries, LLC, 2002
May, 2002 – Rev. 01O
1
Case Outline Number:
499A
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