CS8421-DZZR Cirrus Logic Inc, CS8421-DZZR Datasheet - Page 33

• Manufacturer Part Number: CS8421-DZZR
• Description: IC,Digital Audio Sample Rate Converter,CMOS,TSSOP,20PIN
• Manufacturer: Cirrus Logic Inc

10. PACKAGE DIMENSIONS
Notes: 1. “D” and “E1” are reference datums and do not included mold flash or protrusions, but do include mold
THERMAL CHARACTERISTICS
DS641PP1
Junction to Ambient Thermal Impedance
DIM
A1
A2
E1
∝
A
D
E
b
e
L
1 2 3
N
2. Dimension “b” does not include dambar protrusion/intrusion. Allowable dambar protrusion shall be
3. These dimensions apply to the flat section of the lead between 0.10 and 0.25 mm from lead tips.
TOP VIEW
mismatch and are measured at the parting line, mold flash or protrusions shall not exceed 0.20 mm per
side.
0.13 mm total in excess of “b” dimension at maximum material condition. Dambar intrusion shall not
reduce dimension “b” by more than 0.07 mm at least material condition.
0.03346
0.00748
0.002
0.252
0.248
0.169
0.020
MIN
20L TSSOP (4.4 mm BODY) PACKAGE DRAWING
0°
--
--
Parameter
E
INCHES
0.0354
0.0096
0.2519
0.1732
0.004
0.256
0.024
NOM
4°
--
--
Controlling Dimension is Millimeters.
e
SIDE VIEW
D
JEDEC #: MO-153
0.043
0.006
0.037
0.012
0.259
0.256
0.177
0.026
0.028
MAX
b
8°
2
2 Layer Board
4 Layer Board
A2
A1
SEATING
0.05
0.85
0.19
6.40
6.30
4.30
0.50
MIN
PLANE
Symbol
A
0°
--
--
θ
JA
MILLIMETERS
L
Min
0.245
NOM
-
-
0.90
6.50
6.40
4.40
0.60
4°
--
--
--
Typ
48
38
END VIEW
E1
1
MAX
1.10
0.15
0.95
0.30
6.60
6.50
4.50
0.65
0.70
Max
8°
-
-
CS8421
°C/Watt
°C/Watt
Units
NOTE
2,3
1
1
∝
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