isppac-powr604 Lattice Semiconductor Corp., isppac-powr604 Datasheet - Page 27

• Manufacturer Part Number: isppac-powr604
• Description: In-system Programmable Power Supply Sequencing Controller And Monitor
• Manufacturer: Lattice Semiconductor Corp.

Lattice Semiconductor
Package Diagrams
44-Pin TQFP (Dimensions in Millimeters)
NOTES:
1.
2.
4.
5. THE TOP OF PACKAGE MAY BE SMALLER THAN THE BOTTOM
6.
7.
8.
3.
DIMENSIONING AND TOLERANCING PER ANSI Y14.5 - 1982.
ALL DIMENSIONS ARE IN MILLIMETERS.
DATUMS A, B AND D TO BE DETERMINED AT DATUM PLANE H.
DIMENSIONS D1 AND E1 DO NOT INCLUDE MOLD PROTRUSION.
ALLOWABLE MOLD PROTRUSION IS 0.254 MM ON D1 AND E1
DIMENSIONS.
OF THE PACKAGE BY 0.15 MM.
SECTION B-B:
THESE DIMENSIONS APPLY TO THE FLAT SECTION OF THE
LEAD BETWEEN 0.10 AND 0.25 MM FROM THE LEAD TIP.
A1 IS DEFINED AS THE DISTANCE FROM THE SEATING PLANE
TO THE LOWEST POINT ON THE PACKAGE BODY.
EXACT SHAPE OF EACH CORNER IS OPTIONAL.
0.20
M
c
8
C
e
3
SECTION B-B
A-B
A
PIN 1 INDICATOR
b
TOP VIEW
D
b
b
1
SIDE VIEW
SEATING PLANE
c
D
1
LEAD FINISH
D
BASE METAL
3
B
3
SEE DETAIL 'A'
0.20 C
C
4X
E
2-27
A-B
0.20
0.10 C
D
H A-B
44X
DETAIL 'A'
E1
A
D
A2
A1
SYMBOL
ispPAC-POWR604 Data Sheet
A
A1
A2
D
D1
E
E1
L
N
e
b
b1
c
c1
0.20 MIN.
1.00 REF.
D1
H
0.05
1.35
0.45
0.30
0.30
0.09
0.09
MIN.
BOTTOM VIEW
-
12.00 BSC
10.00 BSC
12.00 BSC
10.00 BSC
0.80 BSC
NOM.
1.40
0.60
44
0.15
0.13
0.37
0.35
-
-
GAUGE PLANE
L
0-7∞
MAX.
1.60
0.15
1.45
0.75
0.45
0.40
0.20
0.16
0.25