Datasheet

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 13 of 18
NXP Semiconductors
74HC244; 74HCT244
Octal buffer/line driver; 3-state
Fig 12. Package outline SOT360-1 (TSSOP20)
UNIT A
1
A
2
A
3
b
p
cD
(1)
E
(2) (1)
eH
E
LL
p
QZywv θ
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC JEDEC JEITA
mm
0.15
0.05
0.95
0.80
0.30
0.19
0.2
0.1
6.6
6.4
4.5
4.3
0.65
6.6
6.2
0.4
0.3
0.5
0.2
8
0
o
o
0.13 0.10.21
DIMENSIONS (mm are the original dimensions)
Notes
1. Plastic or metal protrusions of 0.15 mm maximum per side are not included.
2. Plastic interlead protrusions of 0.25 mm maximum per side are not included.
0.75
0.50
SOT360-1 MO-153
99-12-27
03-02-19
w M
b
p
D
Z
e
0.25
110
20
11
pin 1 index
θ
A
A
1
A
2
L
p
Q
detail X
L
(A )
3
H
E
E
c
v M
A
X
A
y
0 2.5 5 mm
scale
TSSOP20: plastic thin shrink small outline package; 20 leads; body width 4.4 mm
SOT360-1
A
max.
1.1