74HCT4511 데이터 시트보기 (PDF) - Philips Electronics
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74HCT4511 Datasheet PDF : 12 Pages
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Philips Semiconductors
BCD to 7-segment latch/decoder/driver
Product specification
74HC/HCT4511
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HC
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLH propagation delay
Dn to Qn
77 300
375
28 60
75
22 51
64
450 ns
90
77
2.0 Fig.8
4.5
6.0
tPHL/ tPLH propagation delay
LE to Qn
74 270
330
27 54
68
22 46
58
405 ns
81
69
2.0 Fig.9
4.5
6.0
tPHL/ tPLH propagation delay
BI to Qn
61 220
275
22 44
55
18 37
47
330 ns
66
56
2.0 Fig.10
4.5
6.0
tPHL/ tPLH propagation delay
LT to Qn
41 150
190
15 30
38
12 26
33
225 ns
45
38
2.0 Fig.8
4.5
6.0
tTHL/ tTLH output transition time
19 75
95
7 15
19
6 13
16
110 ns 2.0 Figs 8, 9 and
22
4.5 10
19
6.0
tW
latch enable pulse width 80 11
LOW
16 4
14 3
100
120
20
24
17
20
ns 2.0 Fig.9
4.5
6.0
tsu
set-up time
Dn to LE
60 14
75
90
12 5
15
18
10 4
13
15
ns 2.0 Fig.11
4.5
6.0
th
hold time
Dn to LE
0 −11
0
0
0 −4
0
0
0 −3
0
0
ns 2.0 Fig.11
4.5
6.0
December 1990
7
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