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ISL4270E Datasheet, PDF (13/13 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +3V to +5.5V, 300nA, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown and a Separate Logic Supply
Package Outline Drawing
L32.5x5B
32 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
Rev 3, 5/10
ISL4270E
6
PIN 1
INDEX AREA
5.00
A
B
(4X) 0.15
TOP VIEW
25
24
4X 3.5
28X 0.50
6
32
PIN #1 INDEX AREA
1
3 .30 ± 0 . 15
17
16
32X 0.40 ± 0.10
BOTTOM VIEW
8
9
0.10 M C A B
+ 0.07
4 32X 0.23 - 0.05
( 4. 80 TYP )
( 3. 30 )
( 28X 0 . 5 )
0 . 90 ± 0.1
SIDE VIEW
SEE DETAIL "X"
0.10 C
C
BASE PLANE
SEATING PLANE
0.08 C
(32X 0 . 23 )
( 32X 0 . 60)
TYPICAL RECOMMENDED LAND PATTERN
C
0 . 2 REF
5
0 . 00 MIN.
0 . 05 MAX.
DETAIL "X"
NOTES:
1. Dimensions are in millimeters.
Dimensions in ( ) for Reference Only.
2. Dimensioning and tolerancing conform to AMSE Y14.5m-1994.
3. Unless otherwise specified, tolerance : Decimal ± 0.05
4. Dimension applies to the metallized terminal and is measured
between 0.15mm and 0.30mm from the terminal tip.
5. Tiebar shown (if present) is a non-functional feature.
6. The configuration of the pin #1 identifier is optional, but must be
located within the zone indicated. The pin #1 identifier may be
either a mold or mark feature.
13
FN6041.2
June 16, 2010