HEF4527B View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
HEF4527B Datasheet PDF : 10 Pages
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Philips Semiconductors
BCD rate multiplier
Product specification
HEF4527B
MSI
PARAMETER
CL → O1
HIGH to LOW
CL → O1
LOW to HIGH
Propagation delays
PL → O1, O1
HIGH to LOW
LOW to HIGH
Minimum clock
pulse width
HIGH
Minimum CL
pulse width; HIGH
Minimum PL
pulse width; HIGH
Set-up times
CE → CP
Recovery times
CL → CP
PL → CP
Maximum clock
pulse frequency
VDD
V
SYMBOL
MIN.
TYP. MAX. UNIT
TYPICAL EXTRAPOLATION
FORMULA
5
10
tPHL
15
5
10
tPLH
15
145 290 ns
55 110 ns
40 80 ns
145 290 ns
55 110 ns
40 80 ns
118 ns + (0,55 ns/pF) CL
44 ns + (0,23 ns/pF) CL
32 ns + (0,16 ns/pF) CL
118 ns + (0,55 ns/pF) CL
44 ns + (0,23 ns/pF) CL
32 ns + (0,16 ns/pF) CL
5
10
tPHL
15
5
10
tPLH
15
5
10
tWCPH
15
5
10
tWCLH
15
5
10
tWPLH
15
5
10
tsu
15
5
10
tRCL
15
5
10
tRPL
15
5
10
fmax
15
260 520 ns
100 200 ns
70 140 ns
235 470 ns
90 180 ns
50 100 ns
45 90 ns
18 36 ns
12 24 ns
20 40 ns
12 24 ns
10 20 ns
50 100 ns
20 40 ns
15 30 ns
30
15
ns
20
10
ns
12
5
ns
20
10
ns
16
8
ns
10
5
ns
80
40
ns
36
18
ns
25
10
ns
4,5
9
MHz
11
22
MHz
16
32
MHz
233 ns + (0,55 ns/pF) CL
89 ns + (0,23 ns/pF) CL
62 ns + (0,16 ns/pF) CL
208 ns + (0,55 ns/pF) CL
79 ns + (0,23 ns/pF) CL
42 ns + (0,16 ns/pF) CL
January 1995
7
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