HD74HC294 Просмотр технического описания (PDF) - Renesas Electronics
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HD74HC294 Datasheet PDF : 10 Pages
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HD74HC292 / HD74HC294
HD74HC292
Programming
Inputs
Q Out
E D C B A Binary Decimal
L L L L L Inhibit
Inhibit
L L L L H Inhibit
Inhibit
L L LHL
22
4
L L LHH
23
8
L LHL L
24
16
L LHLH
25
32
L LHHL
26
64
L LHHH
27
128
LHL L L
28
256
LHL LH
29
512
LHLHL
210
1,024
LHLHH
211
2,048
LHHL L
212
4,096
L HH L H
213
8,192
L HHH L
214
16,384
L HHHH
215
32,768
HL L L L
216
65,536
HL L LH
217
131,072
HL LHL
218
262,144
HL LHH
219
524,288
HLHL L
220
1,048,576
HLHLH
221
2,097,152
H L HH L
222
4,194,304
H L HHH
223
8,388,608
HHL L L
224
16,777,216
HHL LH
225
33,554,432
HH L H L
226
67,108,864
HH L HH
227
134,217,728
HHHL L
228
268,435,456
HHH L H
229
536,870,912
HHHH L
230 1,073,741,824
H H H H H 231 2,147,483,648
Frequency Division
TP1
TP2
Binary
Decimal
Binary
Decimal
Inhibit
Inhibit
Inhibit
Inhibit
Inhibit
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
29
Inhibit
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
512
Disabled LOW
Disabled LOW
23
8
23
8
25
32
25
32
27
128
27
128
29
512
29
512
Inhibit
217
217
217
217
217
217
217
217
217
217
217
217
Inhibit
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
131,072
Disabled LOW
Disabled LOW
23
8
23
8
25
32
25
32
27
128
27
128
29
512
29
512
211
2,048
211
2,048
213
8,192
213
8,192
215
32,768
215
32,768
217
131,072
217
131,072
TP3
Binary
Decimal
Inhibit
Inhibit
Inhibit
224
224
224
224
224
224
22
22
24
24
26
26
28
28
210
210
212
212
214
214
216
216
218
218
220
220
222
222
224
224
Inhibit
16,777,216
16,777,216
16,777,216
16,777,216
16,777,216
16,777,216
4
4
16
16
64
64
256
256
1,024
1,024
4,096
4,096
16,384
16,384
65,536
65,536
262,144
262,144
1,048,576
1,048,576
4,194,304
4,194,304
16,777,216
16,777,216
Rev.2.00 Jan 31, 2006 page 2 of 9
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