HEF4029BD データシートの表示（PDF） - Philips Electronics
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HEF4029BD Datasheet PDF : 14 Pages
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Philips Semiconductors
Synchronous up/down counter,
binary/decade counter
Product specification
HEF4029B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL
MIN
TYP
Minimum clock
pulse width; LOW
Minimum PL
pulse width; HIGH
Recovery time
for PL
Set-up times
BIN/DEC → CP
UP/DN → CP
CE → CP
Pn → PL
Hold times
BIN/DEC → CP
UP/DN → CP
CE → CP
Pn → PL
Maximum clock
pulse frequency
5
10 tWCPL
15
5
10 tWPLH
15
5
10 tRPL
15
5
10 tsu
15
5
10 tsu
15
5
10 tsu
15
5
10 tsu
15
5
10 thold
15
5
10 thold
15
5
10 thold
15
5
10 thold
15
5
10 fmax
15
110
55
35
20
25
15
160
80
55
25
35
15
150
75
50
25
35
20
270
135
90
45
60
30
300
150
105
55
75
35
240
120
90
50
70
40
70
35
20
10
10
5
45
−90
15
−30
10
−20
15
−135
0
−50
−5
−35
30
−30
10
−10
5
−10
15
−20
0
−10
0
−5
2
4
5
10
8
15
MAX
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
see also waveforms
Figs 7 and 8
January 1995
9
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