Datasheet

REV. D
ADSP-2181
–32–
ORDERING GUIDE
Ambient Instruction
Temperature Rate Package Package
Part Number Range (MHz) Description Options*
ADSP-2181KST-115 0°C to +70°C 28.8 128-Lead TQFP ST-128
ADSP-2181BST-115 –40°C to +85°C 28.8 128-Lead TQFP ST-128
ADSP-2181KS-115 0°C to +70°C 28.8 128-Lead PQFP S-128
ADSP-2181BS-115 –40°C to +85°C 28.8 128-Lead PQFP S-128
ADSP-2181KST-133 0°C to +70°C 33.3 128-Lead TQFP ST-128
ADSP-2181BST-133 –40°C to +85°C 33.3 128-Lead TQFP ST-128
ADSP-2181KS-133 0°C to +70°C 33.3 128-Lead PQFP S-128
ADSP-2181BS-133 –40°C to +85°C 33.3 128-Lead PQFP S-128
ADSP-2181KST-160 0°C to +70°C 40 128-Lead TQFP ST-128
ADSP-2181KS-160 0°C to +70°C 40 128-Lead PQFP S-128
*S = Plastic Quad Flatpack (PQFP), ST = Plastic Thin Quad Flatpack (TQFP).
OUTLINE DIMENSIONS
Dimensions shown in mm and (inches).
128-Lead Metric Plastic Quad Flatpack (PQFP)
(S-128)
1
32
33
102
128 103
65
64
TOP VIEW
(PINS DOWN)
0.45 (0.018)
0.30 (0.012)
0.87 (0.034)
0.73 (0.029)
31.45 (1.238)
30.95 (1.219)
28.10 (1.106)
27.90 (1.098)
24.87 (0.979)
24.73 (0.974)
31.45 (1.238) 30.95 (1.219)
28.10 (1.106) 27.90 (1.098)
24.87 (0.979) 24.73 (0.974)
SEATING
PLANE
4.07
(0.160)
MAX
1.03 (0.041)
0.65 (0.031)
0.10 (0.004)
MAX
0.25 (0.010)
MIN
3.67 (0.144)
3.17 (0.125)
NOTE: THE ACTUAL POSITION OF EACH LEAD IS
WITHIN .20 (.008) FROM ITS IDEAL POSITION
WHEN MEASURED IN THE LATERAL DIRECTION.
UNLESS OTHERWISE NOTED.
128-Lead Metric Thin Plastic Quad Flatpack (TQFP)
(ST-128)
TOP VIEW
(PINS DOWN)
0.27 (0.011)
0.17 (0.007)
16.25 (0.640)
15.75 (0.620)
18.50 (0.728) TYP
14.10 (0.555)
13.90 (0.547)
22.25 (0.876) 21.75 (0.856)
1
38
39
65
64
102
128
12.50 (0.492) TYP
0.58 (0.023)
0.42 (0.017)
103
20.10 (0.792) 19.90 (0.783)
SEATING
PLANE
1.60 (0.063)
TYP
0.75 (0.030)
0.45 (0.018)
0.10
(0.004)
MAX
1.50 (0.059)
1.30 (0.051)
0.15 (0.006)
0.05 (0.002)
NOTE: THE ACTUAL POSITION OF EACH LEAD IS
WITHIN .08 (.0032) FROM ITS IDEAL POSITION
WHEN MEASURED IN THE LATERAL DIRECTION.
UNLESS OTHERWISE NOTED.
C2041c–3–3/98
PRINTED IN U.S.A.