74HC4511 Datasheet, PDF (7/12 Pages) NXP Semiconductors – BCD to 7-segment latch/decoder/driver

Philips Semiconductors
BCD to 7-segment latch/decoder/driver
Product specification
74HC/HCT4511
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t_r = t_f = 6 ns; C_L = 50 pF
T_amb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HC
+25
−40 to +85
−40 to +125
UNIT
V_CC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
t_PHL/ t_PLH propagation delay
D_n to Q_n
77 300
375
28 60
75
22 51
64
450 ns
90
77
2.0 Fig.8
4.5
6.0
t_PHL/ t_PLH propagation delay
LE to Q_n
74 270
330
27 54
68
22 46
58
405 ns
81
69
2.0 Fig.9
4.5
6.0
t_PHL/ t_PLH propagation delay
BI to Q_n
61 220
275
22 44
55
18 37
47
330 ns
66
56
2.0 Fig.10
4.5
6.0
t_PHL/ t_PLH propagation delay
LT to Q_n
41 150
190
15 30
38
12 26
33
225 ns
45
38
2.0 Fig.8
4.5
6.0
t_THL/ t_TLH 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
t_W
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
t_su
set-up time
D_n to LE
60 14
75
90
12 5
15
18
10 4
13
15
ns 2.0 Fig.11
4.5
6.0
t_h
hold time
D_n 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
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