74HCT7273 Просмотр технического описания (PDF) - Philips Electronics
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производитель
74HCT7273
Philips Electronics
74HCT7273 Datasheet PDF : 20 Pages
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Philips Semiconductors
Octal D-type flip-flop with reset; positive
edge-trigger; open drain outputs
Product specification
74HCT7273
AC CHARACTERISTICS
Ground = 0 V; tr = tf ≤ 6.0 ns; CL = 50 pF.
TEST CONDITIONS
Tamb (°C)
SYMBOL
PARAMETER
WAVEFORMS
25
−40 to +85 −40 to +125 UNIT
VCC (V)
MIN. TYP. MAX. MIN. MAX. MIN. MAX.
tPZL/tPLZ
tPZL
tTHL
tTLH
tW
tW
trem
tsu
th
fmax
propagation delay see Figs 6 and 9 4.5
CP to Qn
propagation delay see Figs 6 and 9 4.5
MR to Qn
output transition see Figs 6 and 9 4.5
time
output transition see Figs 7 and 9 4.5
time
clock pulse width see Figs 6 and 9 4.5
HIGH or LOW
master reset
see Figs 7 and 9 4.5
pulse width; LOW
removal time
MR to CP
see Figs 7 and 9 4.5
set-up time
Dn to CP
see Figs 8 and 9 4.5
hold time
Dn to CP
see Figs 8 and 9 4.5
maximum clock see Figs 6 and 9 4.5
pulse frequency
− 16 30 − 38 −
45 ns
− 23 34 − 43 −
51 ns
− 7 15 − 19 −
22 ns
− − 110 − 110 −
110 ns
16 9 −
20 −
24 −
ns
16 8 −
20 −
24 −
ns
10 −2 −
13 −
15 −
ns
12 5 −
15 −
18 −
ns
3 −4 −
3−
3
−
ns
30 56 −
24 −
20 −
MHz
1999 Oct 01
9
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