HEF40174B View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
HEF40174B Datasheet PDF : 5 Pages
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Philips Semiconductors
Hex D-type flip-flop
Product specification
HEF40174B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP. MAX.
Propagation delays
CP → On
HIGH to LOW
LOW to HIGH
MR → On
HIGH to LOW
Output transition times
HIGH to LOW
LOW to HIGH
Set-up time
Dn → CP
Hold time
Dn → CP
Minimum clock
pulse width; LOW
Minimum MR pulse
width; LOW
Recovery time
for MR
Maximum clock
pulse frequency
5
10
tPHL
15
5
10
tPLH
15
5
10
tPHL
15
5
10
tTHL
15
5
10
tTLH
15
5
10
tsu
15
5
10
thold
15
5
10
tWCPL
15
5
10
tWMRL
15
5
10
tRMR
15
5
10
fmax
15
75 155 ns
30 65 ns
20 45 ns
75 155 ns
30 65 ns
20 45 ns
85 175 ns
35 70 ns
25 50 ns
60 120 ns
30 60 ns
20 40 ns
60 120 ns
30 60 ns
20 40 ns
20 10
ns
10 5
ns
10 5
ns
10 0
ns
50
ns
50
ns
70 35
ns
30 15
ns
20 10
ns
70 35
ns
35 15
ns
25 10
ns
45 25
ns
20 10
ns
15 5
ns
5 11
MHz
15 30
MHz
20 45
MHz
TYPICAL EXTRAPOLATION
FORMULA
48 ns + (0,55 ns/pF) CL
19 ns + (0,23 ns/pF) CL
12 ns + (0,16 ns/pF) CL
48 ns + (0,55 ns/pF) CL
19 ns + (0,23 ns/pF) CL
12 ns + (0,16 ns/pF) CL
58 ns + (0,55 ns/pF) CL
24 ns + (0,23 ns/pF) CL
17 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
see also waveforms
Fig.4
January 1995
4
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