ep9307 Cirrus Logic, Inc., ep9307 Datasheet - Page 41

• Manufacturer Part Number: ep9307
• Description: Arm9 Soc With Ethernet, Usb, Display, And Touchscreen
• Manufacturer: Cirrus Logic, Inc.

272 Pin TFBGA Pinout (Bottom View)
The following table shows the 272 pin TFBGA pinout. (For better understanding, compare the coordinates on the x and
y axis on
DS667PP4
Note:
• VDD_core is vddc.
• VDD_ring is vddr.
• GND_core is gndc.
• GND_ring is gndr.
Figure 27, "272 Pin TFBGA Pinout", on page 42
1. Controlling Dimension: Millimeter.
2. Primary Datum C and seating plane are defined by the spherical crowns of the solder balls.
3. Dimension b is measured at the maximum solder ball diameter, parallel to Primary Datum C.
4. There shall be a minimum clearance of 0.25 mm between the edge of the solder ball and the body edge.
5. Reference Document: JEDEC MO-151, BAL-2
Symbol
ddd
A1
A2
D3
E3
A
D
E
b
c
e
13.95
12.75
13.95
12.75
MIN
©
1.35
0.23
0.65
0.35
0.21
0.75
Copyright 2005 Cirrus Logic (All Rights Reserved)
dimension in mm
Table R. 272 Pin Diagram Dimensions
NOM
14.00
12.80
14.00
12.80
1.40
0.28
0.70
0.40
0.26
0.80
MAX
14.05
12.85
14.05
12.85
1.45
0.33
0.75
0.45
0.31
0.85
0.10
with
ARM9 SOC with Ethernet, USB, Display and Touchscreen
Figure 26, "272 Pin TFBGA Diagram", on page
0.0083
0.053
0.009
0.026
0.014
0.549
0.502
0.549
0.502
0.030
MIN
dimension in inches
0.0102
NOM
0.055
0.011
0.028
0.016
0.551
0.504
0.551
0.504
0.031
0.0122
MAX
0.057
0.013
0.030
0.018
0.553
0.506
0.553
0.506
0.033
0.004
EP9307
40.
41