Package information (continued) – Rainbow Electronics MAX9491 User Manual
Page 11
MAX9491
Factory Programmable Single PLL
Clock Generator
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implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 11
© 2006 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products, Inc.
Package Information (continued)
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information,
go to www.maxim-ic.com/packages.)
COMMON DIMENSIONS
MAX.
EXPOSED PAD VARIATIONS
D2
NOM.
MIN.
MIN.
E2
NOM. MAX.
NE
ND
PKG.
CODES
1. DIMENSIONING & TOLERANCING CONFORM TO ASME Y14.5M-1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS. ANGLES ARE IN DEGREES.
3. N IS THE TOTAL NUMBER OF TERMINALS.
4. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL
CONFORM TO JESD 95-1 SPP-012. DETAILS OF TERMINAL #1 IDENTIFIER ARE
OPTIONAL, BUT MUST BE LOCATED WITHIN THE ZONE INDICATED. THE TERMINAL #1
IDENTIFIER MAY BE EITHER A MOLD OR MARKED FEATURE.
5. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN
0.25 mm AND 0.30 mm FROM TERMINAL TIP.
6. ND AND NE REFER TO THE NUMBER OF TERMINALS ON EACH D AND E SIDE RESPECTIVELY.
7. DEPOPULATION IS POSSIBLE IN A SYMMETRICAL FASHION.
8. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
9. DRAWING CONFORMS TO JEDEC MO220, EXCEPT EXPOSED PAD DIMENSION FOR
T2855-3 AND T2855-6.
NOTES:
SYMBOL
PKG.
N
L1
e
E
D
b
A3
A
A1
k
10. WARPAGE SHALL NOT EXCEED 0.10 mm.
JEDEC
0.70
0.80
0.75
4.90
4.90
0.25
0.25
0
-
-
4
WHHB
4
16
0.35
0.30
5.10
5.10
5.00
0.80 BSC.
5.00
0.05
0.20 REF.
0.02
MIN.
MAX.
NOM.
16L 5x5
L
0.30
0.50
0.40
-
-
-
-
-
-
WHHC
20
5
5
5.00
5.00
0.30
0.55
0.65 BSC.
0.45
0.25
4.90
4.90
0.25
0.65
-
-
5.10
5.10
0.35
20L 5x5
0.20 REF.
0.75
0.02
NOM.
0
0.70
MIN.
0.05
0.80
MAX.
-
-
-
WHHD-1
28
7
7
5.00
5.00
0.25
0.55
0.50 BSC.
0.45
0.25
4.90
4.90
0.20
0.65
-
-
5.10
5.10
0.30
28L 5x5
0.20 REF.
0.75
0.02
NOM.
0
0.70
MIN.
0.05
0.80
MAX.
-
-
-
WHHD-2
32
8
8
5.00
5.00
0.40
0.50 BSC.
0.30
0.25
4.90
4.90
0.50
-
-
5.10
5.10
32L 5x5
0.20 REF.
0.75
0.02
NOM.
0
0.70
MIN.
0.05
0.80
MAX.
0.20 0.25 0.30
DOWN
BONDS
ALLOWED
YES
3.10
3.00
3.20
3.10
3.00
3.20
T2055-3
3.10
3.00
3.20
3.10
3.00
3.20
T2055-4
T2855-3
3.15 3.25 3.35 3.15 3.25 3.35
T2855-6
3.15 3.25 3.35 3.15 3.25 3.35
T2855-4
2.60 2.70 2.80 2.60 2.70 2.80
T2855-5
2.60 2.70 2.80 2.60 2.70 2.80
T2855-7
2.60 2.70 2.80 2.60 2.70 2.80
3.20
3.00 3.10
T3255-3
3
3.20
3.00 3.10
3.20
3.00 3.10
T3255-4
3
3.20
3.00 3.10
NO
NO
NO
NO
YES
YES
YES
YES
3.20
3.00
T1655-3
3.10
3.00 3.10 3.20
NO
NO
3.20
3.10
3.00
3.10
T1655N-1 3.00
3.20
3.35
3.15
T2055-5
3.25
3.15 3.25 3.35
YES
3.35
3.15
T2855N-1
3.25
3.15 3.25 3.35
NO
3.35
3.15
T2855-8
3.25
3.15 3.25 3.35
YES
3.20
3.10
T3255N-1 3.00
NO
3.20
3.10
3.00
L
0.40
0.40
**
**
**
**
**
**
**
**
**
**
**
**
**
**
SEE COMMON DIMENSIONS TABLE
±0.15
11. MARKING IS FOR PACKAGE ORIENTATION REFERENCE ONLY.
I
2
2
21-0140
PACKAGE OUTLINE,
16, 20, 28, 32, 40L THIN QFN, 5x5x0.8mm
-DRAWING NOT TO SCALE-
12. NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY.
3.30
T4055-1
3.20
3.40 3.20 3.30 3.40
**
YES
0.05
0
0.02
0.60
0.40 0.50
10
-----
0.30
40
10
0.40 0.50
5.10
4.90 5.00
0.25 0.35 0.45
0.40 BSC.
0.15
4.90
0.25
0.20
5.00 5.10
0.20 REF.
0.70
MIN.
0.75 0.80
NOM.
40L 5x5
MAX.
13. LEAD CENTERLINES TO BE AT TRUE POSITION AS DEFINED BY BASIC DIMENSION "e", ±0.05.
T1655-2
**
YES
3.20
3.10
3.00
3.10
3.00
3.20
T3255-5
YES
3.00
3.10
3.00
3.20
3.20
3.10
**
exceptions
Springer