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74HC244 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. 74HC244
Description  Octal buffer/line driver; 3-state Rev. 4 — 24 September 2012
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC244 Datasheet(HTML) 2 Page - NXP Semiconductors

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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
2 of 18
NXP Semiconductors
74HC244; 74HCT244
Octal buffer/line driver; 3-state
4.
Functional diagram
Fig 1.
Functional diagram
mna875
1A3
1A2
1A1
1A0
2
4
6
8
1
1Y0
1Y1
18
16
14
12
1Y2
1Y3
1OE
2A3
2A2
2A1
2A0
17
15
13
11
19
2Y0
2Y1
3
5
7
9
2Y2
2Y3
2OE
Fig 2.
Logic symbol
Fig 3.
IEC logic symbol
mna874
8
6
4
2
1A0
1A1
1A2
1A3
1OE
18
16
1Y0
1Y1
1Y2
1Y3
14
12
1
11
13
15
17
2A0
2A1
2A2
2A3
2OE
3
5
2Y0
2Y1
2Y2
2Y3
7
9
19
12
14
2
4
6
8
18
16
1
EN
mna873
3
5
11
13
15
17
9
7
19
EN


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