adsp-21478 Analog Devices, Inc., adsp-21478 Datasheet - Page 67

• Manufacturer Part Number: adsp-21478
• Description: Sharc Processor
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
OUTLINE DIMENSIONS
The ADSP-2147x processors are available in a 100-lead
LQFP_EP and 196-ball CSP_BGA RoHS compliant packages.
For package assignment by model, see
Page
69.
0.15
0.10
0.05
1.45
1.40
1.35
ROTATED 90° CCW
COPLANARITY
VIEW A
0.08
SEATING
PLANE
0.20
0.15
0.09
3.5°
0.75
0.60
0.45
7°
0°
Figure 57. 100-Lead Low Profile Quad Flat Package, Exposed Pad [LQFP_EP]
MAX
1.60
Ordering Guide on
COMPLIANT TO JEDEC STANDARDS MS-026-BED-HD
VIEW A
25
1
100
26
LEAD PITCH
PIN 1
16.20
16.00 SQ
15.80
Rev. PrB | Page 67 of 70 | March 2010
BSC
0.50
Dimensions shown in millimeters
(PINS DOWN)
TOP VIEW
14.20
14.00 SQ
13.80
(SW-100-2)
0.27
0.22
0.17
76
50
75
51
75
51
76
50
ADSP-21478/ADSP-21479
BOTTOM VIEW
EXPOSED
(PINS UP)
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SECTION OF THIS DATA SHEET.
PAD
26
100
25
1
REF
6.00