HEF4510BD View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
HEF4510BD Datasheet PDF : 10 Pages
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Philips Semiconductors
BCD up/down counter
Minimum clock
pulse width; LOW
Minimum PL
pulse width; HIGH
Minimum MR
pulse width; HIGH
Recovery time
for MR
Recovery time
for PL
Set-up times
Pn → PL
UP/DN → CP
CE → PL
Hold times
Pn → PL
UP/DN → CP
CE → CP
Maximum clock
pulse frequency
VDD
V
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
SYMBOL MIN. TYP. MAX.
tWCPL
tWPLH
tWMRH
tRMR
tRPL
tsu
tsu
tsu
thold
thold
thold
fmax
95 45
35 20
25 15
105 55
45 25
35 15
120 60
50 25
40 20
130 65
45 20
30 15
150 75
50 25
30 15
100 50
50 25
40 20
250 125
100 50
75 35
120 60
40 20
25 10
10 −40
5 −20
0 −20
35 −90
15 −35
15 −25
20 −40
5 −15
5 −10
5 10
12 24
17 34
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
Product specification
HEF4510B
MSI
TYPICAL EXTRAPOLATION
FORMULA
see also waveforms
Figs 6 and 7
January 1995
8
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