MC74AC244, MC74ACT244
AC CHARACTERISTICS (For Figures and Waveforms – See Section 3)
74ACT
74ACT
= –40°C
T
A
T
C
= +25°C
= 50 pF
V
(V)
*
Fig.
No.
A
CC
to +85°C
Symbol
Parameter
Unit
L
C
= 50 pF
L
Min
Typ
Max
Min
Max
Propagation Delay
Data to Output
t
t
5.0
5.0
2.0
6.5
9.0
1.5
10.0
10.0
ns
ns
3–5
3–5
PLH
Propagation Delay
Data to Output
2.0
7.0
9.0
1.5
PHL
t
t
t
t
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
5.0
5.0
5.0
5.0
1.5
2.0
2.0
2.5
6.0
7.0
7.0
7.5
8.5
9.5
1.0
1.5
1.5
2.0
9.5
ns
ns
ns
ns
3–7
3–8
3–7
3–8
PZH
PZL
PHZ
PLZ
10.5
10.5
10.5
9.5
10.0
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol
Value
Typ
Parameter
Unit
Test Conditions
C
C
Input Capacitance
4.5
45
pF
pF
V
V
= 5.0 V
= 5.0 V
IN
CC
Power Dissipation Capacitance
PD
CC
MARKING DIAGRAMS
PDIP–20
SO–20
TSSOP–20
EIAJ–20
AC244
AWLYYWW
MC74AC244N
AWLYYWW
74AC244
AWLYWW
AC
244
ALYW
ACT244
AWLYYWW
MC74ACT244N
AWLYYWW
74ACT244
AWLYWW
ACT
244
ALYW
A
= Assembly Location
WL, L = Wafer Lot
YY, Y
= Year
WW, W = Work Week
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