74ACT299 데이터 시트보기 (PDF) - ON Semiconductor
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74ACT299 Datasheet PDF : 12 Pages
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MC74AC299, MC74ACT299
AC CHARACTERISTICS (For Figures and Waveforms − See Section 3 of the ON Semiconductor FACT Data Book, DL138/D)
74AC
74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
Propagation Delay
tPLH
CP to I/On
Propagation Delay
tPHL
CP to I/On
Propagation Delay
tPHL
MR to Q0 or Q7
Propagation Delay
tPHL
MR to I/On
Output Enable Time
tPZH
OE to I/On
Output Enable Time
tPZL
OE to I/On
Output Disable Time
tPHZ
OE to I/On
Output Disable Time
tPLZ
OE to I/On
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
3.3 9.0
− 20.5 7.5 22.5
5.0 6.0
− 14.5 5.0
16
ns
3−6
3.3 10
−
23 8.5 24.5
5.0 6.5
−
16
6.0 17.5
ns
3−6
3.3 9.0
− 22.5 7.5 25.0
5.0 5.5
− 15.5 5.0 17.0
ns
3−6
3.3 9.0
− 21.5 7.5 24.0
5.0 5.5
− 15.0 5.0 16.5
ns
3−6
3.3 7.0
−
18 6.0 19.5
5.0 4.5
− 12.5 4.0 13.5
ns
3−7
3.3 7.0
−
18 6.0 20.5
5.0 5.0
− 12.5 4.0
14
ns
3−8
3.3 6.5
− 18.5 5.5 19.5
5.0 3.5
−
14 3.0 15
ns
3−7
3.3 5.5
−
17 4.5 19
5.0 3.5
− 12.5 2.0 13.5
ns
3−8
AC OPERATING REQUIREMENTS
Symbol
Parameter
Setup Time, HIGH or LOW
ts
S0 or S1 to CP
Hold Time, HIGH or LOW
th
S0 or S1 to CP
Setup Time, HIGH or LOW
ts
I/On to CP
Hold Time, HIGH or LOW
th
I/On to CP
Setup Time, HIGH or LOW
ts
DS0 or DS7 to CP
Hold Time, HIGH or LOW
th
DS0 or DS7 to CP
tw
CP Pulse Width, LOW
tw
MR Pulse Width, LOW
Recovery TIme
trec
MR to CP
*Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
74AC
74AC
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ
Guaranteed Minimum
3.3
−
8.0
5.0
−
5.0
8.5
5.5
ns
3−9
3.3
−
0.5
5.0
−
1.0
0.5
1.0
ns
3−9
3.3
−
5.5
5.0
−
3.5
6.0
4.0
ns
3−9
3.3
−
0
5.0
−
1.0
0
1.0
ns
3−9
3.3
−
6.5
5.0
−
4.0
7.0
4.5
ns
3−6
3.3
−
0
5.0
−
1.0
0.5
1.0
ns
3−6
3.3
−
4.5
5.0
−
3.5
5.0
3.5
ns
3−6
3.3
−
4.5
5.0
−
3.5
5.0
3.5
ns
3−9
3.3
−
1.5
5.0
−
1.5
1.5
1.5
ns
3−9
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