NXP Semiconductors
HEF4521B
24-stage frequency divider and oscillator
SO16: plastic small outline package; 16 leads; body width 3.9 mm
SOT109-1
D
y
Z
16
pin 1 index
1
e
E
A
X
c
HE
vM A
9
A2
A1
8
bp
wM
Q
(A 3)
A
θ
Lp
L
detail X
0
2.5
5 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
A
UNIT max. A1
A2
A3
bp
c
D (1) E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
1.75
0.25
0.10
1.45
1.25
0.25
0.49
0.36
0.25
0.19
10.0
9.8
4.0
3.8
1.27
6.2
5.8
1.05
1.0
0.4
0.7
0.6
0.25 0.25
0.1
0.7
0.3
8o
inches
0.069
0.010
0.004
0.057
0.049
0.01
0.019 0.0100 0.39
0.014 0.0075 0.38
0.16
0.15
0.05
0.244
0.228
0.041
0.039
0.016
0.028
0.020
0.01
0.01
0.004
0.028
0.012
0o
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
OUTLINE
VERSION
SOT109-1
IEC
076E07
REFERENCES
JEDEC
JEITA
MS-012
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
Fig 16. Package outline SOT109-1 (SO16)
HEF4521B_5
Product data sheet
Rev. 05 — 5 November 2009
© NXP B.V. 2009. All rights reserved.
14 of 17