74AC299 데이터 시트보기 (PDF) - STMicroelectronics
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74AC299 Datasheet PDF : 13 Pages
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74AC299
AC ELECTRICAL CHARACTERISTICS (CL = 50 pF, RL = 500 Ω, Input tr = tf = 3ns)
Test Condition
Value
Symbol
Parameter
VCC
(V)
tPLH tPHL Propagation Delay
Time
CLOCK to Q’A, Q’H
tPLH tPHL Propagation Delay
Time
CLOCK to QA, QH
tPLH tPHL Propagation Delay
Time
CLEAR to Q’A, Q’H
tPLH tPHL Propagation Delay
Time
CLEAR to QA, QH
tPZL tPZH Output Enable
Time
tPLZ tPHZ Output Disable
Time
tW CLEAR Pulse
Width LOW
tW CLOCK Pulse
Width LOW
ts
th
ts
th
tREM
Setup Time HIGH
or LOW
(S0 or S1 to
CLOCK)
Hold Time HIGH or
LOW
(S0 or S1 to
CLOCK)
Setup Time HIGH
or LOW
(SR or SL to
CLOCK)
Hold Time HIGH or
LOW
(SR or SL to
CLOCK)
Recovery Time
CLEAR to CLOCK
fMAX Maximum Clock
Frequency
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
3.3(*)
5.0(**)
TA = 25°C
-40 to 85°C -55 to 125°C Unit
Min. Typ. Max. Min. Max. Min. Max.
10.6 18.4 1.0 21.0 1.0 21.0
ns
6.8 10.5 1.0 12.0 1.0 12.0
10.9 19.3 1.0 22.0 1.0 22.0
ns
7.3 10.5 1.0 12.0 1.0 12.0
8.1 14.0 1.0 16.0 1.0 16.0
ns
6.1 9.2 1.0 10.5 1.0 10.5
9.8 16.7 1.0 19.0 1.0 19.0
ns
6.7 10.9 1.0 12.4 1.0 12.4
9.9 17.5 1.0 20.0 1.0 20.0
ns
6.6 9.6 1.0 11.4 1.0 11.4
8.1 14.0 1.0 16.0 1.0 16.0
ns
6.4 9.6 1.0 11.0 1.0 11.0
7.0
7.0
7.0
ns
5.0
5.0
5.0
8.0
8.0
8.0
ns
5.0
5.0
5.0
11.9
13.6
13.6
ns
7.0
7.0
7.0
0.0
0.0
0.0
ns
0.0
0.0
0.0
6.0
6.0
6.0
ns
4.0
4.0
4.0
1.0
1.0
1.0
ns
1.0
1.0
1.0
5.0
5.0
5.0
ns
3.0
3.0
3.0
45 210
45
80 240
80
45
MHz
80
(*) Voltage range is 3.3V ± 0.3V
(**) Voltage range is 5.0V ± 0.5V
6/13
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