HEF4043BP 데이터 시트보기 (PDF) - Philips Electronics
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HEF4043BP Datasheet PDF : 5 Pages
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Philips Semiconductors
Quadruple R/S latch with 3-state outputs
Product specification
HEF4043B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN.
TYP.
Propagation delays
Rn → On
5
90
HIGH to LOW
10 tPHL
35
15
25
Sn → On
5
65
LOW to HIGH
10 tPLH
25
15
15
Output transition
5
60
times
10 tTHL
30
HIGH to LOW
15
20
5
60
LOW to HIGH
10 tTLH
30
15
20
3-state propagation delays
Output disable times
EO → On
5
45
HIGH
10 tPHZ
20
15
10
5
50
LOW
10 tPLZ
20
15
10
Output enable times
EO → On
5
25
HIGH
10 tPZH
15
15
10
5
40
LOW
10 tPZL
20
15
15
Minimum Sn
pulse width; HIGH
5
30
15
10 tWSH
20
10
15
16
8
Minimum Rn
pulse width; HIGH
5
30
15
10 tWRH
20
10
15
16
8
MAX.
TYPICAL EXTRAPOLATION
FORMULA
180 ns
70 ns
50 ns
135 ns
50 ns
35 ns
120 ns
60 ns
40 ns
120 ns
60 ns
40 ns
63 ns + (0,55 ns/pF) CL
24 ns + (0,23 ns/pF) CL
17 ns + (0,16 ns/pF) CL
38 ns + (0,55 ns/pF) CL
14 ns + (0,23 ns/pF) CL
7 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
90 ns
35 ns
25 ns
100 ns
40 ns
25 ns
50 ns
30 ns
25 ns
80 ns
45 ns
35 ns
ns
ns
ns
ns
ns
ns
see also waveforms
Fig.5
January 1995
4
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