MC74AC646DWR2G Просмотр технического описания (PDF) - ON Semiconductor
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MC74AC646DWR2G Datasheet PDF : 10 Pages
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MC74AC646, MC74ACT646
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
tPLH
Propagation Delay
Clock to Bus
5.0 3.5 12.0 14.5 3.0 16.0 ns
3−6
tPHL
Propagation Delay
Clock to Bus
5.0 4.0 12.0 14.5 3.5 16.0 ns
3−6
tPLH
Propagation Delay
Bus to Bus
5.0 3.0 8.5 11.0 2.5 12.0 ns
3−5
tPHL
Propagation Delay
Bus to Bus
Propagation Delay
tPLH
SBA or SAB to An or Bn
(w/An or Bn HIGH or LOW)
Propagation Delay
tPHL
SBA or SAB to An or Bn
(w/An or Bn HIGH or LOW)
tPZH
Enable Time
G to An or Bn
tPZL
Enable Time
G to An or Bn
tPHZ
Disable Time
G to An or Bn
tPLZ
Disable Time
G to An or Bn
tPZH
Enable Time
DIR to An or Bn
tPZL
Enable Time
DIR to An or Bn
tPHZ
Disable Time
DIR to An or Bn
tPLZ
Disable Time
DIR to An or Bn
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 2.5 8.5 11.0 2.0 12.0 ns
3−5
5.0 3.0 9.5 12.0 2.5 13.0 ns
3−6
5.0 3.0 9.5 12.0 2.5 13.0 ns
3−6
5.0 2.0 9.0 11.0 1.5 12.0 ns
3−7
5.0 3.5 9.0 11.0 3.0 12.0 ns
3−8
5.0 5.0 10.5 13.0 4.5 14.5 ns
3−7
5.0 3.5 10.0 12.5 3.0 14.0 ns
3−8
5.0 2.0 6.5 12.5 1.5 13.5 ns
3−7
5.0 3.5 6.5 12.5 3.0 13.5 ns
3−8
5.0 5.0 8.5 12.5 4.5 13.5 ns
3−7
5.0 3.5 8.5 12.5 3.0 13.5 ns
3−8
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