74LVTH244A 데이터 시트보기 (PDF) - Nexperia B.V. All rights reserved
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74LVTH244A Datasheet PDF : 17 Pages
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Nexperia
74LVT244A; 74LVTH244A
3.3 V octal buffer/line driver; 3-state
5 Pinning information
5.1 Pinning
terminal 1
index area
74LVT244A
74LVTH244A
74LVT244A
74LVTH244A
1OE 1
1A0 2
2Y3 3
1A1 4
2Y2 5
1A2 6
2Y1 7
1A3 8
2Y0 9
GND 10
20 VCC
19 2OE
18 1Y0
17 2A3
16 1Y1
15 2A2
14 1Y2
13 2A1
12 1Y3
11 2A0
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Figure 3. Pin configuration for SO20
74LVT244A
74LVTH244A
1OE 1
1A0 2
2Y3 3
1A1 4
2Y2 5
1A2 6
2Y1 7
1A3 8
2Y0 9
GND 10
20 VCC
19 2OE
18 1Y0
17 2A3
16 1Y1
15 2A2
14 1Y2
13 2A1
12 1Y3
11 2A0
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Figure 4. Pin configuration for
(T)SSOP20
1A0 2
2Y3 3
1A1 4
2Y2 5
1A2 6
2Y1 7
1A3 8
2Y0 9
GND(1)
19 2OE
18 1Y0
17 2A3
16 1Y1
15 2A2
14 1Y2
13 2A1
12 1Y3
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Transparent top view
(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.
Figure 5. Pin configuration for
DHVQFN20
5.2 Pin description
Table 2. Pin description
Symbol
1OE, 2OE
1A0, 1A1, 1A2, 1A3
2Y0, 2Y1, 2Y2, 2Y3
GND
2A0, 2A1, 2A2, 2A3
1Y0, 1Y1, 1Y2, 1Y3
VCC
Pin
1, 19
2, 4, 6, 8
9, 7, 5, 3
10
11, 13, 15, 17
18, 16, 14, 12
20
Description
output enable input (active low)
data input
data output
ground (0 V)
data input
data output
supply voltage
74LVT_LVTH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 16 August 2017
© Nexperia B.V. 2017. All rights reserved.
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