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74AHCT240 Fiches technique(PDF) 2 Page - Nexperia B.V. All rights reserved

No de pièce 74AHCT240
Description  Octal buffer/line driver; inverting; 3-state
PDF  13 Pages
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Fabricant  NEXPERIA [Nexperia B.V. All rights reserved]
Site Internet  https://www.nexperia.com/
Logo NEXPERIA - Nexperia B.V. All rights reserved

74AHCT240 Fiches technique(HTML) 2 Page - Nexperia B.V. All rights reserved

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Nexperia
74AHCT240
Octal buffer/line driver; inverting; 3-state
4. Functional diagram
mgu779
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. 1. Logic symbol
12
14
2
4
6
8
18
16
1
EN
mgu778
3
5
11
13
15
17
9
7
19
EN
Fig. 2. IEC logic symbol
5. Pinning information
5.1. Pinning
74AHCT240
1OE
VCC
1A0
2OE
2Y0
1Y0
1A1
2A0
2Y1
1Y1
1A2
2A1
2Y2
1Y2
1A3
2A2
2Y3
1Y3
GND
2A3
001aal192
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
Fig. 3. Pin configuration SOT163-1 (SO20) and
SOT360-1 (TSSOP20)
001aal193
74AHCT240
GND(1)
Transparent top view
1Y3
1A3
2Y3
2A2
2Y2
1Y2
1A2
2A1
2Y1
1Y1
1A1
2A0
2Y0
1Y0
1A0
2OE
9
12
8
13
7
14
6
15
5
16
4
17
3
18
2
19
terminal 1
index area
(1) This is not a ground pin. There is no electrical or
mechanical requirement to solder the pad. In case
soldered, the solder land should remain floating or
connected to GND.
Fig. 4. Pin configuration SOT764-1 (DHVQFN20)
74AHCT240
All information provided in this document is subject to legal disclaimers.
© Nexperia B.V. 2020. All rights reserved
Product data sheet
Rev. 6 — 29 June 2020
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