HEC4512BD Просмотр технического описания (PDF) - Philips Electronics
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HEC4512BD Datasheet PDF : 7 Pages
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Philips Semiconductors
8-input multiplexer with 3-state output
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL TYP. MAX.
Propagation delays
In → O
HIGH to LOW
LOW to HIGH
Sn → O
HIGH to LOW
LOW to HIGH
E→O
HIGH to LOW
LOW to HIGH
Output transition times
HIGH to LOW
LOW to HIGH
3-state propagation delays
Output disable times
EO → O
HIGH
LOW
Output enable times
EO → O
HIGH
5
10
tPHL
15
5
10
tPLH
15
5
10
tPHL
15
5
10
tPLH
15
5
10
tPHL
15
5
10
tPLH
15
5
10
tTHL
15
5
10
tTLH
15
5
10
tPHZ
15
5
10
tPLZ
15
5
10
tPZH
15
100 200 ns
40 80 ns
30 60 ns
100 200 ns
40 80 ns
30 60 ns
140 280 ns
55 110 ns
40 80 ns
150 300 ns
60 120 ns
40 80 ns
60 120 ns
25 50 ns
20 40 ns
55 110 ns
25 50 ns
20 40 ns
60 120 ns
30 60 ns
20 40 ns
60 120 ns
30 60 ns
20 40 ns
35 70 ns
20 40 ns
15 30 ns
35 70 ns
15 30 ns
10 20 ns
35 70 ns
15 30 ns
10 20 ns
Product specification
HEF4512B
MSI
TYPICAL EXTRAPOLATION
FORMULA
73 ns + (0,55 ns/pF) CL
29 ns + (0,23 ns/pF) CL
22 ns + (0,16 ns/pF) CL
73 ns + (0,55 ns/pF) CL
29 ns + (0,23 ns/pF) CL
22 ns + (0,16 ns/pF) CL
113 ns + (0,55 ns/pF) CL
44 ns + (0,23 ns/pF) CL
32 ns + (0,16 ns/pF) CL
123 ns + (0,55 ns/pF) CL
49 ns + (0,23 ns/pF) CL
32 ns + (0,16 ns/pF) CL
33 ns + (0,55 ns/pF) CL
14 ns + (0,23 ns/pF) CL
12 ns + (0,16 ns/pF) CL
28 ns + (0,55 ns/pF) CL
14 ns + (0,23 ns/pF) CL
12 ns + (0,16 ns/pF) CL
10 ns + (1,0 ns/pF) CL
9 ns + (0,42 ns/pF) CL
6 ns + (0,28 ns/pF) CL
10 ns + (1,0 ns/pf) CL
9 ns + (0,42 ns/pF) CL
6 ns + (0,28 ns/pF) CL
January 1995
5
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