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FN6458.2
October 17, 2007
ISL54000, ISL54001, ISL54002
Thin Quad Flat No-Lead Plastic Package
(TQFN)
Thin Micro Lead FramePlastic Package
(TMLFP)
L20.4x4A
20 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE
(COMPLIANT TO JEDEC MO-220WGGD-1 ISSUE I)
SYMBOL
MILLIMETERS
NOTESMIN NOMINAL MAX
A 0.70 0.75 0.80 -
A1 - 0.02 0.05 -
A2 - 0.55 0.80 9
A3 0.20 REF 9
b 0.18 0.25 0.30 5, 8
D 4.00 BSC -
D1 3.75 BSC 9
D2 1.95 2.10 2.25 7, 8
E 4.00 BSC -
E1 3.75 BSC 9
E2 1.95 2.10 2.25 7, 8
e 0.50 BSC -
k0.20 - - -
L 0.35 0.60 0.75 8
N202
Nd 5 3
Ne 5 3
P- -0.609
--129
Rev. 0 11/04
NOTES:
1. Dimensioning and tolerancing conform to ASME Y14.5-1994.
2. N is the number of terminals.
3. Nd and Ne refer to the number of terminals on each D and E.
4. All dimensions are in millimeters. Angles are in degrees.
5. Dimension b applies to the metallized terminal and is measured
between 0.15mm and 0.30mm from the terminal tip.
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.
7. Dimensions D2 and E2 are for the exposed pads which provide
improved electrical and thermal performance.
8. Nominal dimensions are provided to assist with PCB Land Pattern
Design efforts, see Intersil Technical Brief TB389.
9. Features and dimensions A2, A3, D1, E1, P & are present when
Anvil singulation method is used and not present for saw
singulation.
