74LVC245ADB(2009) 查看數據表（PDF） - NXP Semiconductors.
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74LVC245ADB Datasheet PDF : 17 Pages
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NXP Semiconductors
74LVC245A; 74LVCH245A
Octal bus transceiver; 3-state
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
74LVC245AD −40 °C to +125 °C SO20
74LVCH245AD
74LVC245ADB −40 °C to +125 °C SSOP20
74LVCH245ADB
74LVC245APW −40 °C to +125 °C TSSOP20
74LVCH245APW
74LVC245ABQ −40 °C to +125 °C DHVQFN20
74LVCH245ABQ
74LVC245ABX −40 °C to +125 °C
74LVCH245ABX
DHXQFN20U
Description
plastic small outline package; 20 leads;
body width 7.5 mm
Version
SOT163-1
plastic shrink small outline package; 20 leads;
body width 5.3 mm
SOT339-1
plastic thin shrink small outline package; 20 leads; SOT360-1
body width 4.4 mm
plastic dual in-line compatible thermal enhanced SOT764-1
very thin quad flat package; no leads; 20 terminals;
body 2.5 × 4.5 × 0.85 mm
plastic dual in-line compatible thermal enhanced
extremely thin quad flat package; no leads; 20
terminals; UTLP based; body 2.5 x 4.5 x 0.5 mm
SOT1045-1
4. Functional diagram
DIR
1
2 A0
A1
3
4 A2
A3
5
6 A4
A5
7
A6
8
9 A7
Fig 1. Logic diagram
74LVC_LVCH245A_5
Product data sheet
OE
19
B0 18
B1
17
B2
16
B3 15
B4 14
B5
13
B6
12
B7 11
mna174
19
G3
1
3EN1
3EN2
1
2
18
2
3
17
4
16
5
15
6
14
7
13
8
12
9
11
mna175
Fig 2. IEC logic symbol
Rev. 05 — 25 August 2009
© NXP B.V. 2009. All rights reserved.
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