X9521 XICOR [Xicor Inc.], X9521 Datasheet - Page 21

• Manufacturer Part Number: X9521
• Description: Dual DCP, EEPROM Memory
• Manufacturer: XICOR [Xicor Inc.]

20-Bump Chip Scale Package (CSP B20)
Package Outline Drawing
X9521 – Preliminary Information
REV 1.1.9 1/30/03
Package Dimensions
Top View (Marking Side)
Package Width
Package Length
Package Height
Body Thickness
Ball Height
Ball Diameter
Ball Pitch – Width
Ball Pitch – Length
Ball to Edge Spacing – Width
Ball to Edge Spacing – Length
Symbol
m
a
b
d
e
c
k
f
j
l
2.542
3.812
0.644
0.444
0.200
0.300
0.511
0.896
Min
j
e
f
m
Millimeters
Nominal
2.572
3.842
0.677
0.457
0.220
0.320
0.536
0.921
Bottom View (Bumped Side)
0.5
0.5
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A4
B4
C4
D4
E4
2.602
3.872
0.710
0.470
0.240
0.340
0.561
0.946
l
Side View
Max
A3
B3
C3
D3
E3
a
Min
A2
B2
C2
D2
E2
k
Nominal
A1
Inches
B1
C1
D1
E1
b
c
Max
Characteristics subject to change without notice.
Ball Matrix:
A
B
C
D
E
SCL
SDA
RL2
WP
NC
4
RW2
RH2
RL1
Side View
NC
NC
3
RW1
e
Vcc
NC
NC
NC
2
d
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RH1
Vss
NC
NC
NC
1