74LVT245BDB 데이터 시트보기 (PDF) - NXP Semiconductors.
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74LVT245BDB Datasheet PDF : 15 Pages
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Nexperia
74LVT245B
3.3 V octal transceiver with direction pin (3-state)
5. Pinning information
5.1 Pinning
DIR 1
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
GND 10
74LVT245B
20 VCC
19 OE
18 B0
17 B1
16 B2
15 B3
14 B4
13 B5
12 B6
11 B7
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Fig 3. Pin configuration for SO20 and (T)SSOP20
terminal 1
index area
74LVT245B
A0 2
A1 3
A2 4
A3 5
A4 6
A5 7
A6 8
A7 9
GND(1)
19 OE
18 B0
17 B1
16 B2
15 B3
14 B4
13 B5
12 B6
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Transparent top view
(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 DHVQFN20
5.2 Pin description
Table 2.
Symbol
DIR
A0 to A7
GND
B0 to B7
OE
VCC
Pin description
Pin
1
2, 3, 4, 5, 6, 7, 8, 9
10
18, 17, 16, 15, 14, 13, 12, 11
19
20
Description
direction control
data input/output
ground (0 V)
data input/output
output enable input (active LOW)
supply voltage
74LVT245B_2
Product data sheet
Rev. 02 — 8 May 2008
© Nexperia B.V. 2017. All rights reserved
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