at75c140 ATMEL Corporation, at75c140 Datasheet - Page 17

• Manufacturer Part Number: at75c140
• Description: Smart Internet Appliance Processor Siap-tm
• Manufacturer: ATMEL Corporation

Table 7. PBGA Package Dimensions (mm)
Table 8. Dimensions depending on Layer Number of the Package Board (mm)
Table 9. Dimensions specific to 256-ball PBGA Package (mm)
2659A–INTAP–09/02
Symbol
A1
Diameter B
aaa
bbb
ccc
ddd
eee
Layer
2
4
e REF
1.27
Body Row Array
P4R
1.92
2.12
Min
26.8
Min
Nom
2.13
2.33
A
Nom
27.0
D/E
0.50
0.60
Min
Max
27.2
Max
2.34
2.56
Min
0.28
0.44
Min
Nom
0.60
0.75
0.30
0.25
0.35
0.30
0.15
D1/E1
Nom
24.0
Max
24.7
Dim B
Nom
0.32
0.52
f REF
AT75C140
8.05
Max
0.70
0.90
Max
0.38
0.60
J/L REF
1.44
17