EL5164, EL5165, EL5364
Quarter Size Outline Plastic Packages Family (QSOP)
A
D
MDP0040
QUARTER SIZE OUTLINE PLASTIC PACKAGES FAMILY
N
(N/2)+1
INCHES
SYMBOL QSOP16 QSOP24 QSOP28 TOLERANCE NOTES
E E1
PIN #1
I.D. MARK
L
0.025 0.025 0.025
±0.009
-
L1
0.041 0.041 0.041
Basic
-
N
16
24
28
Reference
-
1
B
0.010 C A B
(N/2)
C
SEATING
PLANE
0.004 C
e
H
0.007 C A B
b
NOTES:
Rev. F 2/07
5. Plastic or metal protrusions of 0.006” maximum per side are not
included.
6. Plastic interlead protrusions of 0.010” maximum per side are not
included.
7. Dimensions “D” and “E1” are measured at Datum Plane “H”.
8. Dimensioning and tolerancing per ASME Y14.5M-1994.
L1
A
c
SEE DETAIL "X"
0.010
A2
GAUGE
PLANE
A1
L
4°±4°
DETAIL X
MDP0040
QUARTER SIZE OUTLINE PLASTIC PACKAGES FAMILY
INCHES
SYMBOL QSOP16 QSOP24 QSOP28 TOLERANCE NOTES
A
0.068 0.068 0.068
Max.
-
A1
0.006 0.006 0.006
±0.002
-
A2
0.056 0.056 0.056
±0.004
-
b
0.010 0.010 0.010
±0.002
-
c
0.008 0.008 0.008
±0.001
-
D
0.193 0.341 0.390
±0.004
1, 3
E
0.236 0.236 0.236
±0.008
-
E1
0.154 0.154 0.154
±0.004
2, 3
e
0.025 0.025 0.025
Basic
-
FN7389 Rev 9.00
January 30, 2014
Page 17 of 17