DIMENSION
MIN
MAX
A
A1
A2
D
2.20
0.50
1.17 REF
26.80
2.46
0.70
27.20
D1
E
E1
b
e
24.00 REF
27.20
0.90
26.80
24.00 REF
E1
E
0.60
1.27
256
Conforms to JEDEC MS - 034
e
D1
D
A2
A
A1
1. CONTROLLING DIMENSIONS ARE IN MM
2. DIMENSION "b" IS MEASURED AT THE MAXIMUM SOLDER BALL DIAMETER
3. PRIMARY DATUM -C- AND SEATING PLANE
ARE DEFINED BY THE SPHERICAL CROWNS OF THE SOLDER BALLS.
4. N IS THE NUMBER OF SOLDER BALLS
5. NOT TO SCALE.
6. SUBSTRATE THICKNESS IS 0.56 MM
Package Code
c
Zarlink Semiconductor 2003 All rights reserved.
Previous package codes:
ISSUE
ACN
DATE
APPRD.