74HC243 查看數據表（PDF） - NXP Semiconductors.
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74HC243 Datasheet PDF : 17 Pages
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Philips Semiconductors
5. Functional diagram
74HC243
Quad bus transceiver; 3-state
13 OEB
1 OEA
3 A0
ENABLE
EXITING
B0 11
4 A1
B1 10
5 A2
B2 9
6 A3
B3 8
Fig 1. Functional diagram
13 OEB
1 OEA
3 A0
ENABLE
EXITING
B0 11
6 A3
B3 8
Fig 2. Logic symbol
001aab950
001aab953
13 EN1
1
EN2
1
3
2
11
4
10
5
9
6
8
001aab951
Fig 3. IEC logic symbol
9397 750 13808
Product data sheet
Rev. 03 — 12 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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