NXP Semiconductors
74HC244; 74HCT244
Octal buffer/line driver; 3-state
SO20: plastic small outline package; 20 leads; body width 7.5 mm
SOT163-1
D
E
A
X
c
y
H
E
v
M
A
Z
20
11
Q
A
2
A
1
pin 1 index
L
p
L
1
e
b
p
10
w
M
detail X
(A
3
)
θ
A
0
5
scale
10 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
mm
inches
A
max.
2.65
0.1
A
1
0.3
0.1
A
2
2.45
2.25
A
3
0.25
0.01
b
p
0.49
0.36
c
0.32
0.23
D
(1)
13.0
12.6
0.51
0.49
E
(1)
7.6
7.4
0.30
0.29
e
1.27
0.05
H
E
10.65
10.00
L
1.4
L
p
1.1
0.4
Q
1.1
1.0
0.043
0.039
v
0.25
0.01
w
0.25
0.01
y
0.1
0.004
Z
(1)
θ
8
o
o
0
0.9
0.4
0.035
0.016
0.012 0.096
0.004 0.089
0.019 0.013
0.014 0.009
0.419
0.043
0.055
0.394
0.016
Note
1. Plastic or metal protrusions of 0.15 mm (0.006 inch) maximum per side are not included.
OUTLINE
VERSION
SOT163-1
REFERENCES
IEC
075E04
JEDEC
MS-013
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
Fig 10. Package outline SOT163-1 (SO20)
74HC_HCT244
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 4 — 24 September 2012
11 of 18
PHILIPS [ NXP SEMICONDUCTORS ]
