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74LVC2244A Fiches technique(PDF) 3 Page - NXP Semiconductors

No de pièce 74LVC2244A
Description  Octal buffer/line driver; 30 ??series termination; 5 V tolerant input/output; 3-state
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

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74LVC2244A
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 3 November 2011
3 of 17
NXP Semiconductors
74LVC2244A
Octal buffer/line driver; 30
 series termination; 3-state
5.
Pinning information
5.1 Pinning
5.2 Pin description
(1) This is not a supply pin. The substrate is attached to this
pad using conductive die attach material. There is no
electrical or mechanical requirement to solder this pad.
However, if it is soldered, the solder land should remain
floating or be connected to GND.
Fig 3.
Pin configuration SO20 and (T)SSOP20
Fig 4.
Pin configuration DHVQFN20
74LVC2244A
001aad084
1
2
3
4
5
6
7
8
9
10
12
11
14
13
16
15
18
17
20
19
1OE
1A0
2Y0
1A1
2Y1
1A2
2Y2
1A3
2Y3
GND
VCC
2OE
1Y0
2A0
2A1
1Y2
1Y1
2A2
1Y3
2A3
001aad085
74LVC2244A
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
1
output enable input (active LOW)
2OE
19
output enable input (active LOW)
1A[0:3]
2, 4, 6, 8
data input
2A[0:3]
17, 15, 13, 11
data input
1Y[0:3]
18, 16, 14, 12
data output
2Y[0:3]
3, 5, 7, 9
data output
GND
10
ground (0 V)
VCC
20
supply voltage


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