74F269 Ver la hoja de datos (PDF) - NXP Semiconductors.
Número de pieza
componentes Descripción
Fabricante
74F269 Datasheet PDF : 19 Pages
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NXP Semiconductors
4. Functional diagram
74F269
8-bit bidirectional binary counter
23 22 21 20 18 17 16 15
D0 D1 D2 D3 D4 D5 D6 D7
24 PE
1 U/D
11 CP
TC 14
12 CEP
13 CET
Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7
2 3 4 5 6 8 9 10
001aai979
Fig 1. Logic symbol
CTR DIV256
24
M1 [LOAD]
M2 [COUNT]
1
M3 [UP]
M4 [DOWN]
12
G5 3, 5, 6 CT = 256
14
13
G6 4, 5, 8 CT = 0
11
2, 3, 5, 6+/C7
2, 3, 5, 6−
23
1,7D [1]
22
[2]
21
[4]
20
[8]
18
[16]
17
[32]
16
[64]
15
[128]
2
3
4
5
6
8
9
10
001aai980
Fig 2. IEC logic symbol
74F269_5
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 05 — 25 March 2010
© NXP B.V. 2010. All rights reserved.
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