NXP Semiconductors
74LVC244A; 74LVCH244A
Octal buffer/line driver; 3-state
DHXQFN20U: plastic dual in-line compatible thermal enhanced extremely thin quad flat package;
no leads; 20 terminals; UTLP based; body 2.5 x 4.5 x 0.5 mm
SOT1045-1
D
B
A
E
A
A
1
detail X
terminal 1
index area
terminal 1
index area
L
1
2
e
1
e
b
9
v
w
M
M
C A B
C
C
y
1
C
y
L
1
10
E
h
20
11
e
19
12
D
h
X
0
2.5
scale
5 mm
DIMENSIONS (mm are the original dimensions)
UNIT
mm
A
max
0.5
A
1
0.05
0.00
b
0.30
0.18
D
4.6
4.4
D
h
3.35
3.05
E
2.6
2.4
E
h
1.35
1.05
e
0.5
e
1
3.5
L
0.45
0.25
L
1
0.13
0.05
v
0.1
w
0.05
y
0.05
y
1
0.1
OUTLINE
VERSION
SOT1045-1
REFERENCES
IEC
---
JEDEC
JEITA
---
EUROPEAN
PROJECTION
ISSUE DATE
07-12-01
09-08-04
Fig 13. Package outline SOT1045-1 (DHXQFN20U)
74LVC_LVCH244A_6
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 06 — 13 August 2009
15 of 18
PHILIPS [ NXP SEMICONDUCTORS ]
