74ACT299 查看數據表（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)
74ACT
74ACT
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
fmax
Maximum Input
Frequency
tPLH
Propagation Delay
CP to Q0 or Q7
tPHL
Propagation Delay
CP to Q0 or Q7
tPLH
Propagation Delay
CP to I/On
tPHL
Propagation Delay
CP to I/On
tPHL
Propagation Delay
MR to Q0 or Q7
tPHL
Propagation Delay
MR to I/On
tPZH
Output Enable Time
OE to I/On
tPZL
Output Enable Time
OE to I/On
tPHZ
Output Disable Time
OE to I/On
tPLZ
Output Disable Time
OE to I/On
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 120 −
−
110
−
MHz 3−3
5.0 4.0
− 12.5 3.0
14
ns
3−6
5.0 4.0
− 13.5 3.5
15
ns
3−6
5.0 4.5
− 12.5 4.5 13.5
ns
3−6
5.0 5.0
−
15 4.5 16.5 ns
3−6
5.0 4.0
−
15 4.0 18
ns
3−6
5.0 4.0
− 14.5 3.5 17.5
ns
3−6
5.0 2.5
−
12 1.5 13
ns
3−7
5.0 2.0
−
12 1.5 13.5 ns
3−8
5.0 2.0
− 12.5 2.0 13.5
ns
3−7
5.0 2.5
−
11.5 2.0 12.5
ns
3−8
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