74LVC244ABQ(2009) 데이터 시트보기 (PDF) - NXP Semiconductors.
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74LVC244ABQ Datasheet PDF : 18 Pages
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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
BA
terminal 1
index area
terminal 1
index area
L1
L
e
2
1
Eh
20
19
E
A
A1
detail X
e1
C
b
vM C A B
wM C
y1 C
y
9
10
e
11
12
Dh
X
0
DIMENSIONS (mm are the original dimensions)
UNIT A
max
A1
b
D
Dh
E
Eh
e
mm
0.5
0.05 0.30
0.00 0.18
4.6
4.4
3.35
3.05
2.6
2.4
1.35
1.05
0.5
2.5
scale
5 mm
e1
L
L1
v
w
y
y1
3.5
0.45 0.13
0.25 0.05
0.1
0.05 0.05
0.1
OUTLINE
VERSION
IEC
SOT1045-1
---
REFERENCES
JEDEC
JEITA
---
EUROPEAN
PROJECTION
ISSUE DATE
07-12-01
09-08-04
Fig 13. Package outline SOT1045-1 (DHXQFN20U)
74LVC_LVCH244A_6
Product data sheet
Rev. 06 — 13 August 2009
© NXP B.V. 2009. All rights reserved.
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