HEF4737VP Просмотр технического описания (PDF) - Philips Electronics
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HEF4737VP Datasheet PDF : 9 Pages
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Philips Semiconductors
Quadruple static decade counters
Product specification
HEF4737B
HEF4737V
VDD
V
SYMBOL MIN. TYP. MAX.
TYPICAL EXTRAPOLATION
FORMULA
Output transition
times; any output
HIGH to LOW
LOW to HIGH
3-state propagation delays
5
10
tTHL
15
5
10
tTLH
15
35 70 ns
18 36 ns
15 30 ns
50 100 ns
30 60 ns
25 50 ns
15 ns +
9 ns +
8 ns +
15 ns +
13 ns +
13 ns +
(0,40 ns/pF) CL
(0,18 ns/pF) CL
(0,13 ns/pF) CL
(0,70 ns/pF) CL
(0,33 ns/pF) CL
(0,23 ns/pF) CL
Output disable times
EO → On
HIGH
5
10
tPHZ
15
60 120 ns
35 70 ns
25 50 ns
5
60 120 ns
LOW
10
tPLZ
15
35 70 ns
25 50 ns
Output enable times
EO → On
HIGH
5
10
tPZH
15
90 180 ns
40 80 ns
30 60 ns
5
90 180 ns
LOW
10
tPZL
15
40 80 ns
30 60 ns
Maximum CP pulse
5
160 80
ns
width; LOW
10
tWCPL
60 30
ns
15
50 25
ns
Minimum MR pulse
5
100 50
ns
width; HIGH
10
tWMRH
50 25
ns
15
40 20
ns
Minimum PL pulse
5
120 60
ns
width; HIGH
10
tWPLH
60 30
ns
15
50 25
ns
Minimum T pulse
5
100 50
ns
width; HIGH
10
tWTH
40 20
ns
15
36 18
ns
Maximum clock
5
36
MHz
pulse frequency
10
fmax
15
8 16
10 20
MHz
MHz
January 1995
8
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