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74LVC244ADB 데이터시트(PDF) 4 Page - NXP Semiconductors

부품명 74LVC244ADB
상세설명  Octal buffer/line driver; 3-state
PDF  18 Pages
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제조업체  NXP [NXP Semiconductors]
홈페이지  http://www.nxp.com
Logo NXP - NXP Semiconductors

74LVC244ADB 데이터시트(HTML) 4 Page - NXP Semiconductors

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74LVC_LVCH244A_6
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 06 — 13 August 2009
4 of 18
NXP Semiconductors
74LVC244A; 74LVCH244A
Octal buffer/line driver; 3-state
5.
Pinning information
5.1 Pinning
5.2 Pin description
(1) The die substrate is attached to this pad using
conductive die attach material. It can not be used as a
supply pin or input.
Fig 4.
Pin configuration for SO20 and (T)SSOP20
Fig 5.
Pin configuration for DHVQFN20 and
DHXQFN20U
74LVC244A
74LVCH244A
1OE
VCC
1A0
2OE
2Y0
1Y0
1A1
2A0
2Y1
1Y1
1A2
2A1
2Y2
1Y2
1A3
2A2
2Y3
1Y3
GND
2A3
001aad113
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
001aad114
74LVC244A
74LVCH244A
Transparent top view
GND(1)
9
12
8
13
7
14
6
15
5
16
4
17
3
18
2
19
terminal 1
index area
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
2OE
1Y0
2A0
1Y1
2A1
1Y2
2A2
1Y3
Table 2.
Pin description
Symbol
Pin
Description
1OE, 2OE
1, 19
output enable input (active low)
1A0, 1A1, 1A2, 1A3
2, 4, 6, 8
data input
2Y0, 2Y1, 2Y2, 2Y3
3, 5, 7, 9
data output
GND
10
ground (0 V)
2A0, 2A1, 2A2, 2A3
17, 15, 13, 11 data input
1Y0, 1Y1, 1Y2, 1Y3,
18, 16, 14, 12 data output
VCC
20
supply voltage



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