SC220 ZARLINK [Zarlink Semiconductor Inc], SC220 Datasheet - Page 32

• Manufacturer Part Number: SC220
• Description: XpressFlow 2020 Ethernet Routing Switch Chipset
• Manufacturer: ZARLINK [Zarlink Semiconductor Inc]

ISSUE
ACN
DATE
APPRD.
c Zarlink Semiconductor 2003 All rights reserved.
6. SUBSTRATE THICKNESS IS 0.56 MM
4. N IS THE NUMBER OF SOLDER BALLS
5. NOT TO SCALE.
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.
A2
D1
A1
A
E1
E
Previous package codes:
D
e
Package Code
DIMENSION
Conforms to JEDEC MS - 034
A1
A2
D1
E1
D
A
E
b
e
26.80
26.80
MIN
2.20
0.50
0.60
24.00 REF
24.00 REF
1.17 REF
1.27
256
27.20
27.20
MAX
2.46
0.70
0.90