adsp-21991 Analog Devices, Inc., adsp-21991 Datasheet - Page 41

• Manufacturer Part Number: adsp-21991
• Description: Mixed Signal Dsp Controller
• Manufacturer: Analog Devices, Inc.

Dimensions shown in millimeters.
REV. 0
NOTES:
1. THE ACTUAL POSITION OF THE BALL GRID IS WITHIN 0.25 OF ITS IDEAL POSITION RELATIVE TO THE
2. THE ACTUAL POSITION OF EACH BALL IS WITHIN 0.10 OF ITS IDEAL POSITION
3. DIMENSIONS COMPLY WITH JEDEC STANDARD MO-192 VARIATION AAE-1 WITH THE EXCEPTION OF
4. CENTER DIMENSIONS ARE NOMINAL.
1.
2.
3.
4. DIMENSIONS COMPLY WITH JEDEC STANDARD MS-026-BGA.
NOTES:
0.08 MAX LEAD
COPLANARITY
PACKAGE EDGES.
RELATIVE TO THE BALL GRID.
MAXIMUM HEIGHT.
1.85
1.70
1.55
ACTUAL POSITION OF EACH LEAD IS WITHIN 0.08 OF ITS IDEAL POSITION,
WHEN MEASURED IN THE LATERAL DIRECTION.
DIMENSIONS IN MILLIMETERS.
CENTER DIMENSIONS ARE NOMINAL.
0.27
0.22 TYP
0.17
SEATING
PLANE
0.15
0.05
DIAMETER
NOM
0.55
BALL
TOP VIEW
0.70
0.60
0.50
15.00
DETAIL A
BSC SQ
1.60 MAX
1.45
1.40
1.35
COPLANARITY
196-Ball Mini-BGA (BC-196-2)
DETAIL A
176-Lead LQFP (ST-176-1)
MAX BALL
OUTLINE DIMENSIONS
0.75
0.60
0.45
0.20
DETAIL A
–41–
13.00
BSC
SEATING PLANE
0.57
0.52
0.47
1.00 BSC
0.75
0.70
0.65
DETAIL A
44
176
1
45
PIN 1
14
DETAIL B
13
TOP VIEW (PINS DOWN)
12
1.10
1.00
0.90
11
BOTTOM VIEW
26.00
24.00 BSC SQ
10
13.00 BSC
9 8 7 6 5 4 3 2 1
BSC SQ
1.00 BSC
LEAD PITCH
0.50 BSC
1.10
1.00
0.90
B
C
D
E
F
G
H
K
L
M
N
P
A
J
DETAIL B
ADSP-21991
133
88
132
89